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Old 12 Jan 2011, 21:42 (Ref:2814985)   #1
Zagato_Olaf
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Alfa Romeo 1750/2000 GTAm chassisnumbers

Hello members,


On the Alfa Romeo Bulletin Board, we are researching the chassisnumbers of the Alfa Romeo 1750/2000 GTAm. Here is the status as of the 12th of January 2011. If you have any information to add or have any comments, please feel free to do so.

Definition:
But first an addition to definition of what a GTAm is.
As already said the GTAm was an Alfa Romeo 1750 GTV that was converted by Autodelta to GTAm specification. The homologation papers specify what changes could be made.
Along with the type 1750 GTV USA (105.51) some type 1750 GTV EU (105.44) have also been converted.
The same goes for some type 2000 GTV’s.
Besides that, UlrichGTA told me that in Germany some GT 1300 Junior cars have been converted to GTAm because the GT 1300 Junior was lighter.
Difficulty with the GTAm is, that it never had a unique type- and chassisnumber. This is unlike the type GTA (105.32 LHD and 105.34 RHD) and type GTA 1300 Junior (105.59).

Variants:
Then there are variants within the different types:
- new cars from the production line converted to GTAm spec's by Autodelta as Autodelta works cars
- new cars from the production line converted to GTAm spec's by Autodelta as Autodelta customer cars
- existing cars converted to GTAm spec's by Autodelta as Autodelta customer cars
- new or existing cars converted to GTAm spec's by other tuners/teams with Autodelta parts like the Balduzzi cars (Tony Adriaensens mentions this in his book)
- new or existing bodyshells with or without a chassisnumber that were equipped with Autodelta parts (for example from wrecked cars)
- other variants on this theme in various stages of tune

A lot of GTAm's will have been updated during and after their racing life, engines and gearboxes were swapped, they have been restored, etc ..... And some of these cars had great palmares while others were less fortunate.

Copies:
Besides that, there are a lot of copies with various stages of tune with less or more original GTAm parts. Have a look around on alfabb and you will see a lot of GTV's being changed into GTAm copies. Some of them are very nice and well built.

Chassisnumbers:
Here is a list with with chassisnumbers and the sources of the information we have collected sofar.

1. 1530671 Autodelta 01-09-1969 (source: Tabucchi)
2. 1530776 Autodelta 29-10-1969 (source: Tabucchi)
3. 1530782 Autodelta Jolly Club 31-12-1969 (source: Tabucchi) Autodelta works car (source: Adriaensens) Takis confirms car now in the Alfa Romeo Museo Storico collection, see post #34)
4. 1530849 Autodelta 27-01-1970 (source: Tabucchi) Autodelta works car 25-01-1970 (source: Adriaensens)
5. 1530879 Autodelta 08-01-1970 (source: Tabucchi)
6. 1530896 Autodelta 28-01-1970 (source: Tabucchi)
7. 1530938 Autodelta 26-01-1970 with licenseplate MI K91850 (source: Tabucchi) Autodelta works car No date (source: Adriaensens) Could be ex-Chiapparini and ex-Rosso Bianco collection, is now in private collection and for sale as of december 2010
8. 1530952 Autodelta 26-01-1970 with licenseplate MI L27247 (source: Tabucchi) Autodelta works car No date (source: Adriaensens)
9. 1531034 Autodelta 11-02-1970 with licenseplate MI L26447 (source: Tabucchi)
10. 1531039 Autodelta 11-02-1970 (source: Tabucchi) Ex SOFAR France driven by Chasseuil (source: Adriaensens)
11. 1531042 Autodelta 16-02-1970 (source: Tabucchi) Autodelta works car No date (source: Adriaensens)
12. 1531231 Luigi Cecchini 26-05-1970 (source: Tabucchi, Takis confirms car is now in Greece, see post #35) Autodelta works engine* No date (source: Adriaensens)
13. 1532265 Autodelta 23-01-1971 (source: Tabucchi)
14. 1532307 Autodelta 23-01-1971 (source: Tabucchi)
15. 1532327 Autodelta 23-01-1971 (source: Tabucchi)
16. 1533142 Autodelta 28-01-1972 (source: Tabucchi) Autodelta works car No date (source: Adriaensens)
17. 1358476 Elaborazione Autodelta, Autodelta works engine (source: Tabucchi)
18. 1378479 Monzeglio Squadra Corse(source: Tabucchi, Martinue confirms this car as genuine in post #40)
19. 1532345 (source: Tabucchi in post #112: Don Best and others in the thread concerning 'GTAm prices' mentioning the 'Angola' GTAm's)
20. 1532346 (source: Tabucchi in post #112: Don Best and others in the thread concerning 'GTAm prices' mentioning the 'Angola' GTAm's)
21. 1382607 (source: Fred della Noce noted that he used to own a Brasilian ex Jolly Club Hotel GTAm now owned by Alcidis Diniz in Brasil. Look in this thread: http://www.alfabb.com/bb/forums/giul...13599-a-3.html.
22. 1530834 Autodelta works car No date (source: Adriaensens) Imported by Alfa Romeo Benelux
23. 1530840 Raced by Alfa Romeo Benelux/Grafo Racing Team No date (source: Adriaensens)
24. 1530841 Raced by Hahn No date (source: Adriaensens)
25. 1530848 Previously owned and raced by Toine Hezemans No date (source: Adriaensens)
26. 1531210 Raced by Alfa Romeo Benelux No date (source: Adriaensens)
27. 1531230 Autodelta works car 30-05-1970 (source: Adriaensens)
28. 1532166 Autodelta prepared for Scuderia Brescia Corse No date (source: Adriaensens)
-. 1538476, not possible because chassisnumber is too high (?!): 1538476 should probably read 1358476 (source: Adriaensens)
29. 1530037 Prepared in 1974, Balduzzi camcover (source: Eiso Bergsma, he claims that the original Autodelta invoices are with the car)
?. 1357840 (Italian Monzeglio 105.44 GTAm, questionmark?)
30. 1357933 (source: Martinue)
-. 1530038 (source: Don Best) (typo for 1530938 according to Martinue's 'bad scan', Don Best confirmed it is a typo because he was working from the 'bad' scan)
?. 1530145 (source: Don Best) (typo for 1532345?, according to Martinue) (Don Best will investigate)
?. 1530246 (source: Don Best) (typo for 1532346?, according to Martinue) (Don Best will investigate)
-. 1530787 (source: Don Best) (typo for 1530782 according to Martinue's 'bad scan', Don Best confirmed it is a typo because he was working from the 'bad' scan)
-. 1532165 (source: Don Best) (typo for 1532166 according to Martinue's 'bad scan'), Don Best confirmed it is a typo because he was working from the 'bad' scan)
31. 1530974 (source: Bjorn Schmidt)
32. 1531068 (source: Vince Sharp)
?. 1534912 (source: Ecarrillo, not possible because chassisnumber is too high (?!) Should this read 1354912 and was it a typo? Why was chassis 1534912 mentioned in the auction data? What about the RHD?)
?. 1530537 (source: RossoGTVforme, Autodelta prepared (works car?) No date (Sent to US), seen in Monterey)

So up to now, the sources speak of:
xx. more than 30 GTAm's that could be genuine
?. a couple of chassisnumbers that pose questionmarks
-. some chassisnumbers that could be or proved to be typo's accoording to Martinue's 'good and bad scan'.

Licenseplates:
The following period licenseplates were found up to now:

Italy MI K91850 GTAm #?? Giro d'Italia 1973 Venturi - Civolani and #35 Silverstone 1973 Facetti (chassisnumber #1530938)
Italy MI K92422 GTAm #23 Brno 1971 Hezemans, # 40 Spa 1971
Italy MI K9?291 GTAm #24 Brno 1971 Facetti
Italy MI L27247 GTAm #42 Spa 1971 Hezemans, #50 Spa 1973 Larini - Facetti (chassisnumber #1530952)
Italy MI L12787 GTAm #51 Spa 1973 Dini - Dona and #23 Zandvoort Dini - Dona
Italy MI L31853 GTAm #41 Spa 1971 (chassisnumber #1531042)
Italy MI L76850 GTAm #22 Zandvoort 1973 Deen - Zeccoli
Italy MI L47393 GTAm #46 Critérium des Cévennes 1970 Barailler-Fayel (4th) and #37 Silverstone 1973 Dona (chassisnumber #1531230?)
Italy MI L47392 GTAm #59 Tour de France 1970 Darniche-Demange (DNF) (chassisnumber #1531230?)
Italy MI L47391 GTAm #45 Critérium des Cévennes 1970 "Christine"-"Biche" (15th) Winner "Coupe des Dames" and #57 Tour de France 1970 Barailler-Fayel (DNF)
Italy MI L26447 GTAm #60 Tour de France 1970 Dieudonné-Curien (14th) (chassisnumber #1531034) entered by SOFAR
Italy MI L26448 GTAm #57 Tour de France 1971 Chasseuil-Baron (16th) entered by SOFAR
Italy MI K63991 GTAm #47 Critérium des Cévennes 1970 Consten-Todt (3th)
Italy MI K97829 GTAm #58 Tour de France 1970 Pianta-Alemani (7th)
Italy ?? ??????? GTAm #56 Tour de France 1970 Verrier-Vanson (SOFAR ??)
Germany MA HE 555 GTAm #189 Fassberg 1971 Ertl
Holland 93-42-MN GTAm Hezemans (#1530848)

Please feel free to add information to this list.

Ciao! Olaf
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Old 19 Jan 2011, 09:49 (Ref:2817717)   #2
John Turner
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Welcome, Olaf. Thanks for info; a great addition to our Chassis forum. Hope we can add to it.
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Old 16 Aug 2011, 09:22 (Ref:2941673)   #3
Zagato_Olaf
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Time for an update.

Hello members,

I thought it was time to make a new compilation of the information that we have gathered so far (15th of August 2011).

Definition:
But first an addition to definition of what a GTAm is.
As already said the GTAm was an Alfa Romeo 1750 GTV that was converted by Autodelta to GTAm specification. The homologation papers specify what changes could be made.
Along with the type 1750 GTV USA (105.51) some type 1750 GTV EU (105.44) have also been converted (standing and hanging pedals).
The same goes for some type 2000 GTV’s (hanging pedals).
Besides that, UlrichGTA told me that in Germany some GT 1300 Junior cars have been converted to GTAm because the GT 1300 Junior was lighter.
Difficulty with the GTAm is, that it never had a unique type- and chassisnumber. This is unlike the type GTA (105.32 LHD and 105.34 RHD) and type GTA 1300 Junior (105.59).

Variants:
Then there are variants within the different types:
- new cars from the production line converted to GTAm spec's by Autodelta as Autodelta works cars
- new cars from the production line converted to GTAm spec's by Autodelta as Autodelta customer cars
- existing cars converted to GTAm spec's by Autodelta as Autodelta customer cars
- new or existing cars converted to GTAm spec's by other tuners/teams with a combination of Autodelta, Angelini, Balduzzi and other parts like the Balduzzi cars (Tony Adriaensens mentions this in his book)
- new or existing (replacement) bodyshells with or without a chassisnumber that were equipped with Autodelta, Angelini, Balduzzi and other parts (for example from wrecked cars)
- other variants on this theme in various stages of tune
On the bulletin board, there is a list of options for your GTAm. Have a look at post #9 in this thread: http://www.alfabb.com/bb/forums/giul...es-2-gtam.html

A lot of GTAm's will have been updated during and after their racing life, engines and gearboxes were swapped, they have been restored, etc ..... And some of these cars had great palmares while others were less fortunate.

Copies:
Besides that, there are a lot of copies with various stages of tune with less or more original GTAm parts. Have a look around on alfabb and you will see a lot of GTV's being changed into GTAm copies. Some of them are very nice and well built.

Chassisnumbers:
Here is a list with with chassisnumbers and the sources of the information we have collected sofar.

1. 1530671 Autodelta 01-09-1969 (source: Tabucchi)
2. 1530776 Autodelta 29-10-1969 (source: Tabucchi)
3. 1530782 Autodelta Jolly Club 31-12-1969 (source: Tabucchi) Autodelta works car (source: Adriaensens) Takis confirms car now in the Alfa Romeo Museo Storico collection, see post #34)
4. 1530849 Autodelta 27-01-1970 (source: Tabucchi) Autodelta works car 25-01-1970 (source: Adriaensens)
5. 1530879 Autodelta 08-01-1970 (source: Tabucchi)
6. 1530896 Autodelta 28-01-1970 (source: Tabucchi)
7. 1530938 Autodelta 26-01-1970 with licenseplate MI K91850 (source: Tabucchi) Autodelta works car No date (source: Adriaensens) Could be ex-Chiapparini and ex-Rosso Bianco collection, is now in private collection and for sale as of december 2010
8. 1530952 Autodelta 26-01-1970 with licenseplate MI L27247 (source: Tabucchi) Autodelta works car No date (source: Adriaensens)
9. 1531034 Autodelta 11-02-1970 with licenseplate MI L26447 (source: Tabucchi)
10. 1531039 Autodelta 11-02-1970 (source: Tabucchi) Ex SOFAR France driven by Chasseuil (source: Adriaensens)
11. 1531042 Autodelta 16-02-1970 (source: Tabucchi) Autodelta works car No date (source: Adriaensens)
12. 1531231 Luigi Cecchini 26-05-1970 (source: Tabucchi, Takis confirms car is now in Greece, see post #35) Autodelta works engine* No date (source: Adriaensens)
13. 1532265 Autodelta 23-01-1971 (source: Tabucchi)
14. 1532307 Autodelta 23-01-1971 (source: Tabucchi)
15. 1532327 Autodelta 23-01-1971 (source: Tabucchi)
16. 1533142 Autodelta 28-01-1972 (source: Tabucchi) Autodelta works car No date (source: Adriaensens)
17. 1358476 Elaborazione Autodelta, Autodelta works engine (source: Tabucchi)
18. 1378479 Monzeglio Squadra Corse(source: Tabucchi, Martinue confirms this car as genuine in post #40)
19. 1532345 (source: Tabucchi in post #112: Don Best and others in the thread concerning 'GTAm prices' mentioning the 'Angola' GTAm's)
20. 1532346 (source: Tabucchi in post #112: Don Best and others in the thread concerning 'GTAm prices' mentioning the 'Angola' GTAm's)
21. 1382607 (source: Fred della Noce noted that he used to own a Brasilian ex Jolly Club Hotel GTAm now owned by Alcidis Diniz in Brasil. Look in this thread: http://www.alfabb.com/bb/forums/giul...13599-a-3.html.
22. 1530834 Autodelta works car No date (source: Adriaensens) Imported by Alfa Romeo Benelux
23. 1530840 Raced by Alfa Romeo Benelux/Grafo Racing Team No date (source: Adriaensens)
24. 1530841 Raced by Hahn No date (source: Adriaensens)
25. 1530848 Previously owned and raced by Toine Hezemans No date (source: Adriaensens)
26. 1531210 Raced by Alfa Romeo Benelux No date (source: Adriaensens)
27. 1531230 Autodelta works car 30-05-1970 (source: Adriaensens)
28. 1532166 Autodelta prepared for Scuderia Brescia Corse No date (source: Adriaensens)
-. 1538476, not possible because chassisnumber is too high (?!): 1538476 should probably read 1358476 (source: Adriaensens)
29. 1530037 Prepared in 1974, Balduzzi camcover (source: Eiso Bergsma, he claims that the original Autodelta invoices are with the car)
?. 1357840 (Italian Monzeglio 105.44 GTAm, questionmark?)
30. 1357933 (source: Martinue)
-. 1530038 (source: Don Best) (typo for 1530938 according to Martinue's 'bad scan', Don Best confirmed it is a typo because he was working from the 'bad' scan)
?. 1530145 (source: Don Best) (typo for 1532345?, according to Martinue) (Don Best will investigate)
?. 1530246 (source: Don Best) (typo for 1532346?, according to Martinue) (Don Best will investigate)
-. 1530787 (source: Don Best) (typo for 1530782 according to Martinue's 'bad scan', Don Best confirmed it is a typo because he was working from the 'bad' scan)
-. 1532165 (source: Don Best) (typo for 1532166 according to Martinue's 'bad scan'), Don Best confirmed it is a typo because he was working from the 'bad' scan)
31. 1530974 (source: Bjorn Schmidt)
32. 1531068 (source: Vince Sharp)
?. 1534912 (source: Ecarrillo, not possible because chassisnumber is too high (?!) Should this read 1354912 and was it a typo? Why was chassis 1534912 mentioned in the auction data? What about the RHD?)
?. 1530537 (source: RossoGTVforme, Autodelta prepared (works car?) No date (Sent to US), seen in Monterey)
33. 1532022 (source: present owner; Balduzzi car, mentioned by Tabucchi, manufactured 1st of October 1970, sold 22nd of February 1971 in Madrid, Spain, body colour is white with black interior).


So up to now, the sources speak of:
xx. more than 30 GTAm's that could be genuine
?. a couple of chassisnumbers that pose questionmarks
-. some chassisnumbers that could be or proved to be typo's accoording to Martinue's 'good and bad scan'.

Licenseplates:
The following period licenseplates were found up to now:

Italy MI K91850 GTAm #?? Giro d'Italia 1973 Venturi - Civolani and #35 Silverstone 1973 Facetti (chassisnumber #1530938)
Italy MI K92422 GTAm #23 Brno 1971 Hezemans, # 40 Spa 1971
Italy MI K9?291 GTAm #24 Brno 1971 Facetti
Italy MI L27247 GTAm #42 Spa 1971 Hezemans, #50 Spa 1973 Larini - Facetti (chassisnumber #1530952)
Italy MI L12787 GTAm #51 Spa 1973 Dini - Dona and #23 Zandvoort Dini - Dona
Italy MI L31853 GTAm #41 Spa 1971 (chassisnumber #1531042)
Italy MI L76850 GTAm #22 Zandvoort 1973 Deen - Zeccoli
Italy MI L47393 GTAm #46 Critérium des Cévennes 1970 Barailler-Fayel (4th), Monte Carlo 1971 Barailler and #37 Silverstone 1973 Dona (chassisnumber #1531230?)
Italy MI L47392 GTAm #59 Tour de France 1970 Darniche-Demange (DNF) (chassisnumber #1531230?)
Italy MI L47391 GTAm #45 Critérium des Cévennes 1970 "Christine"-"Biche" (15th) Winner "Coupe des Dames" and #57 Tour de France 1970 Barailler-Fayel (DNF)
Italy MI L26447 GTAm #60 Tour de France 1970 Dieudonné-Curien (14th) (chassisnumber #1531034) entered by SOFAR
Italy MI L26448 GTAm #57 Tour de France 1971 Chasseuil-Baron (16th) entered by SOFAR
Italy MI K63991 GTAm #47 Critérium des Cévennes 1970 Consten-Todt (3th)
Italy MI K97829 GTAm #58 Tour de France 1970 Pianta-Alemani (7th)
Italy ?? ??????? GTAm #56 Tour de France 1970 Verrier-Vanson (SOFAR ??)
Germany MA HE 555 GTAm #189 Fassberg 1971 Ertl
Germany MA TB 555 GTAm #154 Diepholz 1971 Ertl
Holland 93-42-MN GTAm Slotemaker and Hezemans (#1530848)
England HGN 19K GTAm #27F Silverstone 1972 Bertorelli-Clark

Please feel free to add information to this list.

Ciao! Olaf
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Old 16 Oct 2011, 12:00 (Ref:2971878)   #4
Zagato_Olaf
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Posts: 8
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New update on the chassisnumbers for the GTAm

Hello members,

Here is an update on the chassisnumbers of the Alfa Romeo 1750/2000 GTAm as of the 16th of October 2011.


Definition:
But first an addition to definition of what a GTAm is.
As already said the GTAm was an Alfa Romeo 1750 GTV that was converted by Autodelta to GTAm specification. The homologation papers specify what changes could be made.
Along with the type 1750 GTV USA (105.51) some type 1750 GTV EU (105.44) have also been converted (standing and hanging pedals).
The same goes for some type 2000 GTV’s (hanging pedals).
Besides that, UlrichGTA told me that in Germany some GT 1300 Junior cars have been converted to GTAm because the GT 1300 Junior was lighter.
Difficulty with the GTAm is, that it never had a unique type- and chassisnumber. This is unlike the type GTA (105.32 LHD and 105.34 RHD) and type GTA 1300 Junior (105.59).

Variants:
Then there are variants within the different types:
- new cars from the production line converted to GTAm spec's by Autodelta as Autodelta works cars
- new cars from the production line converted to GTAm spec's by Autodelta as Autodelta customer cars
- existing cars converted to GTAm spec's by Autodelta as Autodelta customer cars
- new or existing cars converted to GTAm spec's by other tuners/teams with a combination of Autodelta, Angelini, Balduzzi and other parts like the Balduzzi cars (Tony Adriaensens mentions this in his book)
- new or existing (replacement) bodyshells with or without a chassisnumber that were equipped with Autodelta, Angelini, Balduzzi and other parts (for example from wrecked cars)
- other variants on this theme in various stages of tune
On the bulletin board, there is a list of options for your GTAm. Have a look at post #9 in this thread: http://www.alfabb.com/bb/forums/giul...es-2-gtam.html

A lot of GTAm's will have been updated during and after their racing life, engines and gearboxes were swapped, they have been restored, etc ..... And some of these cars had great palmares while others were less fortunate.

Copies:
Besides that, there are a lot of copies with various stages of tune with less or more original GTAm parts. Have a look around on alfabb and you will see a lot of GTV's being changed into GTAm copies. Some of them are very nice and well built.

Chassisnumbers:
Here is a list with with chassisnumbers and the sources of the information we have collected sofar.

1. 1530671 Autodelta 01-09-1969 (source: Tabucchi)
2. 1530776 Autodelta 29-10-1969 (source: Tabucchi)
3. 1530782 Autodelta Jolly Club 31-12-1969 (source: Tabucchi) Autodelta works car (source: Adriaensens) Takis confirms car now in the Alfa Romeo Museo Storico collection, see post #34)
4. 1530849 Autodelta 27-01-1970 (source: Tabucchi) Autodelta works car 25-01-1970 (source: Adriaensens)
5. 1530879 Autodelta 08-01-1970 (source: Tabucchi)
6. 1530896 Autodelta 28-01-1970 (source: Tabucchi)
7. 1530938 Autodelta 26-01-1970 with licenseplate MI K91850 (source: Tabucchi) Autodelta works car No date (source: Adriaensens) Could be ex-Chiapparini and ex-Rosso Bianco collection, is now in private collection and for sale as of december 2010
8. 1530952 Autodelta 26-01-1970 with licenseplate MI L27247 (source: Tabucchi) Autodelta works car No date (source: Adriaensens)
9. 1531034 Autodelta 11-02-1970 with licenseplate MI L26447 (source: Tabucchi)
10. 1531039 Autodelta 11-02-1970 (source: Tabucchi) Ex SOFAR France driven by Chasseuil (source: Adriaensens)
11. 1531042 Autodelta 16-02-1970 (source: Tabucchi) Autodelta works car No date (source: Adriaensens)
12. 1531231 Luigi Cecchini 26-05-1970 (source: Tabucchi, Takis confirms car is now in Greece, see post #35) Autodelta works engine* No date (source: Adriaensens)
13. 1532265 Autodelta 23-01-1971 (source: Tabucchi)
14. 1532307 Autodelta 23-01-1971 (source: Tabucchi)
15. 1532327 Autodelta 23-01-1971 (source: Tabucchi)
16. 1533142 Autodelta 28-01-1972 (source: Tabucchi) Autodelta works car No date (source: Adriaensens)
17. 1358476 Elaborazione Autodelta 1968, Autodelta works engine (source: Tabucchi)
18. 1378479 Monzeglio Squadra Corse 1970 (source: Tabucchi, Martinue confirms this car as genuine in post #40)
19. 1532345 (source: Tabucchi in post #112: Don Best and others in the thread concerning 'GTAm prices' mentioning the 'Angola' GTAm's)
20. 1532346 (source: Tabucchi in post #112: Don Best and others in the thread concerning 'GTAm prices' mentioning the 'Angola' GTAm's)
21. 1382607 (source: Fred della Noce noted that he used to own a Brasilian ex Jolly Club Hotel GTAm now owned by Alcidis Diniz in Brasil. Look in this thread: http://www.alfabb.com/bb/forums/giul...13599-a-3.html.
22. 1530834 Autodelta works car No date (source: Adriaensens) Imported by Alfa Romeo Benelux
23. 1530840 Raced by Alfa Romeo Benelux/Grafo Racing Team No date (source: Adriaensens)
24. 1530841 Raced by Hahn No date (source: Adriaensens)
25. 1530848 Previously owned and raced by Toine Hezemans No date (source: Adriaensens)
26. 1531210 Raced by Alfa Romeo Benelux No date (source: Adriaensens)
27. 1531230 Autodelta works car 30-05-1970 (source: Adriaensens)
28. 1532166 Destination USA (source: Tabucchi) Autodelta prepared for Scuderia Brescia Corse No date (source: Adriaensens)
-. 1538476, not possible because chassisnumber is too high (?!): 1538476 should probably read 1358476 (source: Adriaensens)
29. 1530037 Prepared in 1974, Balduzzi camcover (source: Eiso Bergsma, he claims that the original Autodelta invoices are with the car)
?. 1357840 (Italian Monzeglio 105.44 GTAm, questionmark?)
30. 1357933 (source: Martinue)
-. 1530038 (source: Don Best) (typo for 1530938 according to Martinue's 'bad scan', Don Best confirmed it is a typo because he was working from the 'bad' scan)
?. 1530145 (source: Don Best) (typo for 1532345?, according to Martinue) (Don Best will investigate)
?. 1530246 (source: Don Best) (typo for 1532346?, according to Martinue) (Don Best will investigate)
-. 1530787 (source: Don Best) (typo for 1530782 according to Martinue's 'bad scan', Don Best confirmed it is a typo because he was working from the 'bad' scan)
-. 1532165 (source: Don Best) (typo for 1532166 according to Martinue's 'bad scan'), Don Best confirmed it is a typo because he was working from the 'bad' scan)
31. 1530974 (source: Bjorn Schmidt)
32. 1531068 (source: Vince Sharp)
?. 1534912 (source: Ecarrillo, not possible because chassisnumber is too high (?!) Should this read 1354912 and was it a typo? Why was chassis 1534912 mentioned in the auction data? What about the RHD?)
?. 1530537 (source: RossoGTVforme, Autodelta prepared (works car?) No date (Sent to US), seen in Monterey)
33. 1532022 (source: present owner; Balduzzi car, mentioned by Tabucchi, manufactured 1st of October 1970, sold 22nd of February 1971 in Madrid, Spain, body colour is white with black interior).
34. 1531222 Autodelta 20-02-1970 (source: Tabucchi) see post #192

So up to now, the sources speak of:
xx. more than 30 GTAm's that could be genuine
?. a couple of chassisnumbers that pose questionmarks
-. some chassisnumbers that could be or proved to be typo's accoording to Martinue's 'good and bad scan'.

Licenseplates:
The following period licenseplates were found up to now:

Italy PROVA MI 1310
Italy MI K91850 #1530938
Italy MI K92422 #1530849
Italy MI K9?291
Italy MI L27247 #1530952
Italy MI L31853 #1531042
Italy MI L76850
Italy MI L47393 #1531230
Italy MI L47392 #1531222?
Italy MI L47391
Italy MI L26447 #1531034
Italy MI L26448
Italy MI K63991
Italy MI K97829
Italy MI L18548 #1530776
Italy MI L12787 #1530782
Italy ?? ???????
Italy MI M48973 #1532022
Germany MA HE-555 #1530841
Germany MA TB-555 #1530841
Greece E-101
Greece E-43
Netherlands 93-42-MN #1530848
England HGN-19K


Tom Tanner made a list of colours belonging to the different chassisnumbers.
And there is a list of cars that ran specific races.

Ciao, Olaf
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Old 15 Nov 2012, 21:53 (Ref:3166861)   #5
mkj
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Alfa GTAs

Just a polite word of caution to the unsuspecting.

The GTA (like many other cars) has been copied and cars then passed off as genuine. Certainly one Alfa specialist has produced a number of GTAs, and having had access to chassis records, has had the chassis numbers of "missing" cars reproduced by a jeweller as number / letter stamps are not available to stamp the correct height figures. These chassis numbers were formed on a shaped section of aluminium which was then welded into the correct place on the rear of the car.

I'm disclosed the above to assist / warn potential buyers.

MKJ
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Old 15 Nov 2012, 22:34 (Ref:3166873)   #6
Zagato_Olaf
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Zagato_Olaf should be qualifying in the top 10 on the grid
Assistance to check the history of a specific chassisnumber

Quote:
Originally Posted by mkj View Post
Just a polite word of caution to the unsuspecting.

The GTA (like many other cars) has been copied and cars then passed off as genuine. Certainly one Alfa specialist has produced a number of GTAs, and having had access to chassis records, has had the chassis numbers of "missing" cars reproduced by a jeweller as number / letter stamps are not available to stamp the correct height figures. These chassis numbers were formed on a shaped section of aluminium which was then welded into the correct place on the rear of the car.

I'm disclosed the above to assist / warn potential buyers.

MKJ
Dear MJK,

Thank you for the warning. I will be updating the GTAm chassisnumberlist as a new source of information has been available. This source is in the form of the second, 1456 page extended edition of the book `Alleggerita`. This book also contains loads of information on the GTA chassisnumbers which makes it possible to check the history. Further research will be needed to check if a specific GTA is genuine or not. `Alleggerita` will give you clues.

Ciao! Olaf
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Old 3 Feb 2014, 15:49 (Ref:3363675)   #7
Zagato_Olaf
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New list of GTAm Chassisnumbers as per 02/02/2014

Hello members,

I thought it was time to make a new compilation of the information that we have gathered so far (02-02-2014). Thank you for all the members that contributed to this thread/database.

Definition:
But first an addition to definition of what a GTAm is.
As already said the GTAm was an Alfa Romeo 1750 GTV USA (105.51) that had Spica fuelinjection. It had two brake boosters and standing pedals. These cars were converted by Autodelta to GTAm specification. The homologation papers specify what changes could be made. Autodelta had a complete list of options to convert the car into a GTAm.
Along with the type 1750 GTV USA (105.51) some type 1750 GTV EU (105.44) have also been converted (standing and hanging pedals). The same goes for some type 2000 GTV’s (105.21) with hanging pedals.
Besides that, UlrichGTA told me that in Germany some GT 1300 Juniors (105.30) have been converted to GTAm because the GT 1300 Junior was lighter.
Difficulty with the GTAm is, that it never had a unique type- and chassisnumber. This is unlike the type GTA (105.32 LHD and 105.34 RHD) and type GTA 1300 Junior (105.59).

Variants:
There are variants within the different types:
- new cars from the production line converted to GTAm spec's by Autodelta SpA as Autodelta works cars
- new cars from the production line converted to GTAm spec's by Autodelta SpA as Autodelta customer cars
- existing cars converted to GTAm spec's by Autodelta SpA as Autodelta customer cars
- new or existing cars converted to GTAm spec's by other tuners/teams with a combination of Autodelta, Angelini, Balduzzi, Facetti and other parts like the `Balduzzi` cars (Tony Adriaensens mentions this in his book)
- new or existing (replacement) bodyshells with or without a chassisnumber that were equipped with Autodelta, Angelini, Balduzzi and other parts (for example from wrecked cars)
- other variants on this theme in various stages of tune

There is a list of Autodelta options for your 1750/2000 GTAm called "GTAm modifications & options for GTAm". Source of this info is the 1st edition of “Alleggerita” by Tony Adriaensens. In the 2nd edition of “Alleggerita” by Adriaensens, Dasse & Übelher, you will find a list and photographs of the parts that are specific to the GTAm (als well as to the Giulia Sprint GTA, GTA-SA and GTA 1300 Junior). This 2nd edition is a “must” for any GTA, GTA 1300 Junior, GTA-SA and 1750/2000 GTAm fan!

The options according to the 1st edition of “Alleggerita”:

Aluminium or steel or plastic doors and boot lid
Plastic hood and dashboard
Plexiglass door glass – descending window or sliding window
Lightweight laminated Glaverbel windshield and rear window
Rear window also available in Plexiglass
Lightweight battery in trunk (Warley)
Anatomic racing seat – Tipo 33 – total weight 3 kg/6.6 lbs
Roll over protection cage
Leather rimmed racing (steering) wheel
FIA oil catch tank (1 litre)
Special rear axle locating system, sliding block
Fully modified differential housing including Pivot Pin and reinforcements
Steel torque Tee – optional Unibal joints
Modified arms for rear stabiliser bar
Koni 220/85 shock absorbers
Modified front suspension
26 mm front stabiliser bar
18 mm rear stabiliser bar
Special close ratio gearboxes – on demand Colotti T 118 gearbox
ZF Autolock differential
Lightweight bell housing, gears and gear lever
Special lightweight racing or heavy duty rallye assembly clutch
Sebring front exhaust pipe
100 litre fuel tank with racing cab
Special Autodelta patented 100 litre safety fuel tank
Reinforcements for oversize tank
Dual Bendix fuel pumps + Lucas main fuel pump
Special plumbing for dual fuel pumps
Serck’ oil cooler
Electron alloy deep sump and protection shields
Modified oil pumps with, if necessary longer pickups for deep pan bottoms
Elaborated crankcase
Monosleeves
Special racing camshafts
Special racing pistons – flat
Lightweight flywheel
Racing crankshafts
Special steel racing (connecting)rods; 0,740 kg/ 1.631 lbs
Special small cylinderhead – valve angle 45 degrees – with double ingnition
Guillotine throttle assembly for use with Spica or Lucas mk II
Fiberglass air box assembly with integral horns & nozzle holders
Spica or Lucas injection
10.000 rpm rev-counter
Dinoplex electric ignition
Ventilated ATE front and rear discs with aluminium calipers
13” Campagnolo magnesium wheels (from 7Lx13” to 10Lx13”) also 7Lx15” was available
Plastic front and rear fender flares to use with 13” wheels

On special demand:
16 valve, single ignition cylinder heads approx. 240 hp
T64 braking torque differential

I doubt whether this list is fully complete.
What about a radiator (copper) expansion tank?
Special Autodelta works engines?
16 valve exhaust manifold?

I have to check the 2nd edition of “Alleggerita” for the list with options.

And what about other tuners such as Angelini with it's 2000cc 16 valve cylinderhead with Weber carburettors?
Further specifications can be found in the homologation papers.

A lot of GTAm's will have been updated during and after their racing life, engines and gearboxes were swapped, they have been restored, etc ..... And some of these cars had great palmares while others were less fortunate.

Copies:
Besides that, there are a lot of copies with various stages of tune with less or more original GTAm parts. Have a look around on alfabb and you will see a lot of GTV's being changed into GTAm copies. Some of them are very nice and well built.

Chassisnumbers:
Here is a list with with chassisnumbers and the sources of the information we have collected sofar. The latest list dates from 30-12-2013. This list is an updated and extended version of the earlier lists published here. Sources for this list are Maurizio Tabucchi (MT) in his book “Alfa Romeo GTA”, Adriaensens in his 1st edition of the book ”Alleggerita”, Adriaensens, Dasse & Übelher (A,D&Ü) in their 2nd edition of the book “Alleggerita”, members of this forum and my own research. The so called “bad scan” that is mentioned was a paper with errors that caused some misunderstandings concerning chassisnumbers.

List from 30-12-2013:
105.44
# 1357840 Monzeglio 105.44 GTAm, questionmark?
# 1358476 Elaborazione Autodelta 1968, Autodelta works engine (source: MT), , history mentioned by A,D&Ü, licenseplates BL 54224 / TV 191114 / PN 48500 / TV 313588
# 1357933 (source: Martin Übelher)
# 1363100 History mentioned by A,D&Ü
# 1378479 Monzeglio Squadra Corse 1970 (source: MT), Martin Übelher confirms this car as genuine in post #40, history mentioned by A,D&Ü, this car has the square indicator lights in the front instead of the small round indicator lights
# 1382607 (source: Fred della Noce), Fred noted that he used to own a Brasilian ex Jolly Club Hotel GTAm now owned by Alcidis Diniz in Brasil. Look in this thread:
http://www.alfabb.com/bb/forums/gta-...13599-a-3.html. Autodelta SpA prepared, history mentioned by A,D&Ü, this car has the square indicator lights in the front instead of the small round indicator lights, licenseplate TO E38632

105.51
# 1530037 (source: Eiso Bergsma, he claims that the original Autodelta invoices are with the car), Prepared in 1974, Balduzzi camcover, history mentioned by (A,D&Ü)
# 1530038 (source: Don Best) typo for 1530938 according to the 'bad scan', Don Best confirmed it is a typo because he was working from the 'bad' scan)
# 1530145 (source: Don Best) typo for 1532345?, according to the ‘bad scan’, Don Best will investigate
# 1530246 (source: Don Best) typo for 1532346?, according to the ‘bad scan’, Don Best will investigate
# 1530537 (source: RossoGTVforme, Autodelta prepared (works car?) No date (Sent to US), seen in Monterey)
#1530671 Autodelta SpA, 01-09-1969, history mentioned by A,D&Ü, licenseplates Prova MI 1370/F-DE 65/MI K97829
# 1530776 Autodelta SpA, 29-10-1969, history mentioned by A,D&Ü, licenseplate MI L18548
# 1530782 Alfa Romeo SpA, 31-12-1969Takis confirms car now in the Alfa Romeo Museo Storico collection, see post #34, history mentioned by A,D&Ü, licenseplate MI L12787
# 1530787 (source: Don Best) (typo for 1530782 according to Martinue's 'bad scan', Don Best confirmed it is a typo because he was working from the 'bad' scan)
# 1530834 Autodelta works car No date (source: Adriaensens) Imported by Alfa Romeo Benelux, history mentioned by A,D&Ü,
#1530838 Autodelta SpA to Alfa Romeo Vertriebs GmbH Frankfurt am Main, history mentioned by A,D&Ü, licenseplates MA GS-555/MA TB-555
# 1530840 Raced by Alfa Romeo Benelux/Grafo Racing Team No date (source: Adriaensens), chassis mentioned by A,D&Ü
# 1530841 Raced by Hahn No date (source: Adriaensens), history mentioned by A,D&Ü, licenseplate MA HE-555
#1530843 Chassis mentioned by A,D&Ü
# 1530848 27-01-1970 previously owned and raced by Toine Hezemans No date (source: Adriaensens), chassis mentioned by A,D&Ü, licenseplate 63-42-MN and 93-42-MN
# 1530849 Autodelta SpA 27-01-1970, history mentioned by A,D&Ü, licenseplates MI K92422/HGN-19K ,
# 1530879 Autodelta SpA 08-01-1970, history mentioned by A,D&Ü, licenseplate MI K63991
# 1530896 Autodelta 28-01-1970, history mentioned by A,D&Ü,
# 1530938 Autodelta SpA 26-01-1970, history mentioned by A,D&Ü,
could be ex-Chiapparini and ex-Rosso Bianco collection, is now in private collection and for sale as of december 2010, licenseplate MI K91850
# 1530952 Autodelta SpA 26-01-1970 (source: MT) Autodelta works car No date (source: Adriaensens), history mentioned by A,D&Ü, licenseplate MI L27247
# 1530974 (source: Bjorn Schmidt), history mentioned by A,D&Ü
# 1531034 Autodelta SpA 11-02-1970 (source: MT), history mentioned by A,D&Ü, licenseplate MI L26447
# 1531039 Autodelta SpA 11-02-1970 (source: MT) Ex SOFAR France driven by Chasseuil (source: Adriaensens), history mentioned by A,D&Ü
# 1531042 Autodelta SpA 16-02-1970 (source: MT) Autodelta works car No date (source: Adriaensens), history mentioned by A,D&Ü, licenseplate MI L26448
# 1531068 24-02-1970 Car was bought at the end of 1970 and needed a rebuild when it arrived in Australia (source: Vince Sharp), history mentioned by A,D&Ü, have a look at
http://www.alfabb.com/bb/forums/gta-...lo-2013-a.html
# 1531210 Raced by Alfa Romeo Benelux No date (source: Adriaensens), history mentioned by A,D&Ü
# 1531212 Alfa Romeo SpA, history mentioned by A,D&Ü, licenseplate MI L47391
# 1531222 Autodelta 20-02-1970 (source: MT) see post #192, Alfa Romeo SpA according to and history mentioned by A,D&Ü, licenseplates MI L47392/ SI 124926
# 1531230 Autodelta SpA works car 30-05-1970 (source: Adriaensens), history mentioned by A,D&Ü, licenseplate MI L47393
# 1531231 Luigi Cecchini 26-05-1970 (source: MT), Takis confirms car is now in Greece, see post #35, Autodelta works engine* No date (source: Adriaensens), history mentioned by A,D&Ü, licenseplate MI L29550
#1532022 01-10-1970, sold 22-02-1971 in Madrid, Spain, body colour is white with black interior, chassis mentioned by A,D&Ü, licenseplate MI M48973
#1532028 Alfa Romeo Deutschland, history mentioned by A,D&Ü
#1532099 (source: Matteo Tstsis) 14-01-1971 Car tuned by Autodelta and sold on the 10th of May 1971 to Motor Hellas, Athens, Greece
# 1532165 (source: Don Best) (typo for 1532166 according to Martinue's 'bad scan'), Don Best confirmed it is a typo because he was working from the 'bad' scan)
# 1532166 Destination USA (source: MT) Autodelta prepared for Scuderia Brescia Corse No date (source: Adriaensens), history mentioned by A,D&Ü, licenseplates MI L27427/MI L31853/MI M54088/PR193113/MN 192542
# 1532265 Autodelta SpA 23-01-1971 (source: MT), Escuderia Nacional, history mentioned by A,D&Ü, licenseplate MI M48973
# 1532307 Autodelta 23-01-1971 (source: MT), history mentioned by A,D&Ü
# 1532327 Autodelta 23-01-1971 (source: MT), chassis mentioned by A,D&Ü
# 1532345 (source: MT in post #112: Don Best and others in the thread concerning 'GTAm prices' mentioning the 'Angola' GTAm's), 17-05-1971, chassis mentioned by A,D&Ü, licenseplate AAD-XX-XX
# 1532346 (source: MT in post #112: Don Best and others in the thread concerning 'GTAm prices' mentioning the 'Angola' GTAm's), 17-05-1971, history mentioned by A,D&Ü, licenseplates AAD-XX-XX/ST-76-00
# 1533142 Autodelta SpA 28-01-1972 (source: MT) Autodelta works car No date (source: Adriaensens), history mentioned by A,D&Ü
# 1534912 (source: Ecarrillo) Should this read 1354912 and was it a typo? Why then was chassis 1534912 mentioned in the auction data? What about the RHD?
# 1538476, not possible because chassisnumber is too high (?!): 1538476 should probably read 1358476 (source: Adriaensens)

Please remember that this list is far from complete when the history of the individual chassis is concerned. There simpy isn't enough room to add all that is known.
Please note that Adriaensens, Dasse & Übelher have added a lot of history to the individual chassisnumbers in the 2nd edition of "Alleggerita". More is to come, because A, D & Ü did not add history that could not be verified. For example #1530841 is one of the chassisnumbers with a lot of info to be added.

Furthermore, Tom Tanner made a list of colours belonging to the different chassisnumbers.

Please feel free to correct and add information to this list.

Sources:
• "Alleggerita" 1st edition by Tony Adriaensens
• "Alfa Romeo GTA" by Maurizio Tabucchi
• "Alleggerita" 2nd edition by Tony Adriaensens, Patrick Dasse & Martin Übelher
• Information from fellow AlfaBB members
• My own research


Ciao! Olaf

Last edited by Zagato_Olaf; 3 Feb 2014 at 15:52. Reason: spelling
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