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Old 8 May 2020, 22:20 (Ref:3975138)   #1
DanielVieceli
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Endurance Brasil series

Starting this thread to provide more information on the Brazilian Endurance Championship, aka, Endurance Brasil
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Old 8 May 2020, 22:25 (Ref:3975141)   #2
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Perhaps Brazil is not the country you'd think when talking about GTs and Prototypes. However, since 2014 a local championship has been flourishing.

In an era where motor racing becomes every day more standardized and BoP’ed, hardcore fans dream about what would be if there was a series with technical freedom similar to what the Can-Am or Interserie were.

Sure there is the Unlimited class at Pikes Peak that gave us machines like the VW ID.R or the Peugeot 208 Pikes Peak, but even so that’s only one category of a once per year 12 mile race. Time Attack also provides a lot of room for thinking outside the box, but both still lacking wheel-to-wheel competition.

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Old 8 May 2020, 22:31 (Ref:3975143)   #3
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Is this the series that Tarso Marques' lovely new car will compete in?
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Old 8 May 2020, 22:44 (Ref:3975151)   #4
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Originally Posted by Hawkwood View Post
Is this the series that Tarso Marques' lovely new car will compete in?
Yep
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Old 9 May 2020, 10:44 (Ref:3975212)   #5
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Waiting for more tech info. Thanks a lot in advance!
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Old 9 May 2020, 18:04 (Ref:3975273)   #6
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It has an interesting grid... https://www.youtube.com/watch?v=LBPUU0x_Tsg
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Old 9 May 2020, 20:02 (Ref:3975294)   #7
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So, to give you guys some context, the Endurance Brasil series was born from the Endurance RS, a regional championship held in Rio Grande do Sul, Brazil's southernmost state. Initially, the Endurance RS championship expanded by bringing racers from the folded GT3 Brasil series and the Spyder Race Championship, a one-make series for Aldee Spyders which was held in São Paulo with some races in Paraná.

Eventually, the series captured the interest of various racers by allowing a wide range of cars (from small 1.6 liter Touring Cars with radial tyres to GT3 Machinery with full race slicks), and by having low entry fees and overall running cost.

Another key point is that the series is organized and runned by the APE (Associação dos Pilotos de Endurance - Endurance Drivers Assossiation), meaning that rules, event format and everything related to the races is decided by the drivers and team owners.

Last, but not least, the series received a boost when they scored a title sponsorship with Cervejaria Império (a Brazilian brewery), firs through their energy drink Dopamina and later through their beer brand Império. This allowed the organization to invest in things like a better live coverage via YouTube, with in track reporters and more and better placed cameras (now, besides the on track cameras, the series is using drones and are experimenting with on board cameras to provide different angles to the transmission)

But this is enough of politics, so from now on we can go through the classes, cars and drivers of this series.
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Old 9 May 2020, 20:23 (Ref:3975296)   #8
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Originally Posted by helgi View Post
Waiting for more tech info. Thanks a lot in advance!
Starting with the prototypes, in 2019 there were 4 classes, with the following limitations:

P1: this is the premier prototype class, for cars with engines limited to 7.000 cm³ if naturally aspirated, or 4.200 cm³ if forced induction. The regulation for this class is as follow (minimum weight / maximum fuel tank capacity):

LMP3 / Ginetta G57 P2: 940 kg / 105 lt

other cars with NA engines:
6.001 cm³ to 7.000 cm³: 900 kg / 115 lt
5.001 cm³ to 6.000 cm³: 860 kg / 115 lt
3.801 cm³ to 5.000 cm³: 820 kg / 115 lt
2.501 cm³ to 3.800 cm³: 730 kg / 115 lt
Up to 2.500 cm³: 680 kg / 115 lt

other cars with Forced Induction Engines:
2.401 cm³ to 4.200 cm³: 900 kg / 115 lt
2.001 cm³ to 2.400 cm³: 800 kg / 115 lt
Up to 2.000 cm³ (more than 2 valve per cylinder): 760 kg / 115 lt
Up to 2.100 cm³ (2 valve per cylinder): 700 kg / 115 lt
Up to 1.350 cm³ (bike engines): 520 kg / 80 lt

Other than that, the following engines are prohibited:
Judd Power: HK V8 LMP2, JUDD KV (ZYTEC) V8 F3000, JUDD DB3.0, JUDD DB3.4, JUDD DB4.0, JUDD GV 4.0, JUDD GV 4.2, JUDD GV 5.0, JUDD GV 5.5;
Zytec;
Acura HPD AR35TT;
Gibson Technology: GK428 LM P2, GL458 LM P1;
AER: SR20, P03, P07, P14, P25, P32, P41, P60B, P63, P65, P91 e P91P;
Mecachrome V634P1 LM P1;
Toyota TS050 Hybrid LM P1;
Chevrolet Ilmor.
Forced Induction engines over 4200 cm3

There is also a limit of tires per qualy session + race: 10 tires for 3-hour races or 14 tires for 4-hour races. Both the engine and tire limitations are in place to avoid cost escalating, or one team over expending the others in order to achieve an advantage.

In addition, the cars must comply FIA Annex J safety recommendations. And that’s it as far as regulations go, so there is not limiting stuff like aero, engines, transmissions, suspensions or any other technical aspect of the cars, pretty much making for a modern day Can-Am or Interserie.

For 2020, there is talks to forbid the use of carbon brakes (very expensive in Brazil, due to exchange rates and import taxes) and to use restrictors on the larger engines to avoid the same hp race that killed Can-Am.
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Old 9 May 2020, 20:41 (Ref:3975299)   #9
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The P2 class is actually a grandfathering class, for cars built to the 2018-spec P1 regulations. This means it has the same tire limitations, as well as the forbidden engines list, with only slightly different weight/fuel capacity pairings, as below:

Cars with NA engines:
6.301 cm³ to 7.000 cm³: 900 kg / 100 lt
5.001 cm³ to 6.300 cm³: 880 kg / 100 lt
4.001 cm³ to 5.000 cm³: 800 kg / 100 lt
3.601 cm³ to 4.000 cm³: 750 kg / 100 lt
2.501 cm³ to 3.600 cm³: 730 kg / 100 lt
Up to 2.500 cm³: 680 kg / 100 lt

Cars with forced induction engines:
2.401 cm³ to 4.200 cm³: 900 kg / 100 lt
2.101 cm³ to 2.400 cm³: 780 kg / 100 lt
Up to 2.100 cm³ (more than 2 valves per cylinder): 740 kg / 100 lt
Up to 2.100 cm³ (2 valve per cylinder): 700 kg / 100 lt
Up to 1.350 cm³ (bike engines): 520 kg / 80 lt

As a side linte, the car Tarso Marques built, while originally intended for P2, will race in P1, as P2 accepts only older prototypes.
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Old 9 May 2020, 20:49 (Ref:3975300)   #10
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Championship bosses should be very careful to protect this fruitful machine oasis from self-destruction, for sure. And they can gain lots of positive publicity by the fact it's so open for prototypes. You can count on leaves of clover number of constructors' free championships.
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Old 9 May 2020, 20:51 (Ref:3975301)   #11
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P3 is for prototypes with small naturally aspirated engines, with similar design freedom and the following specifications:

Up to 1.507 cm³ (bike engine): 450 kg / 80 lt
Up to 2.300 cm³ (more than 2 valves per cylinder): 680 kg / 100 lt
Up to 2.100 cm³ (more than 2 valves per cylinder): 650 kg / 100 lt
Up to 2.200 cm³ (2 valves per cylinder): 620 kg / 100 lt

Tire allocation is 8 tires for 3-hour races and 12 tires for 4-hour races.

P4 is a low cost class, for cars using Brazilian made Pirelli 13-inch slicks, with the following limitations:

Up to 2.100 cm³ (2 valves per cylinder): 630 kg / 100 lt
Up to 2.400 cm³ (2 valve per cylinder with imported sequential gearboxes): 645 kg / 100 lt
Up to 2.400 cm³ (2 valve per cylinder with imported sequential gearboxes and original intake manifold): 620 kg / 100 lt

The tire allocation is the same as P3, and from 2020 onwards the P4 class is expected to be merged in the P3 class.
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Old 9 May 2020, 22:10 (Ref:3975314)   #12
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Now, to delve on each class cars, let’s start with P1 entry list for 2020:

#05 MC Tubarão – Metalmoro JLM AJR / Chevrolet LS3 V8 – Geciel de Andrade / Julio Martini / Paulo Sousa

#11 JLM Sports – Metalmoro JLM AJR / Chevrolet LS3 V8 – Emílio Padrón / Vitor Genz

#12 Sigma P1 – Sigma P1 / Audi V8 Turbo – Jindra Kraucher

#20 Ebrahim Motorsports – Ginetta G57 P2 / Chevrolet LS3 V8 – Fábio Ebrahim / Wagner Ebrahim

#43 Motorcar Racing – Metalmoro JLM AJR / Chevrolet LS3 V8 – Vicente Orige

#46 Mottin Racing – Metalmoro JLM AJR / Chevrolet LS7 V8 – Adriano Baldo / Gustavo Martins / Pedro Castro

#51 – TMC Racing – TMC M1 / Chevrolet V6 Turbo – Tarso Marques

#65 – NC Racing – Metalmoro JLM AJR / Chevrolet LS3 V8 – Nilson Ribeiro / José Roberto Ribeiro

#80 – Power Imports Racing Team – Metalmoro JLM AJR / Nissan V6 SC – Alexandre Finardi / Rafael Suzuki

#113 – JLM Racing – Metalmoro JLM AJR / Chevrolet LS3 V8 – Pedro Queirolo / David Muffato

#175 – JLM Racing – Metalmoro JLM AJR / Chevrolet LS3 V8 – Henrique Assunção / Andersom Toso
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Old 9 May 2020, 22:17 (Ref:3975316)   #13
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As you can see, there will be a variety of cars racing in P1, with the grid dominated by the Metalmoro JLM AJR. This is not by chance, as the AJR is the current car to beat in Brazil, This car is the result of a development made by Juliano Moro, former F3 driver and JLM Racing team principal. Taking advantage of the design freedom of the P1 class, the team had the aero development conducted by British firm Dynamic Flow Solutions, while the chassis and all the manufacturing was done in house at Metalmoro, traditional Brazilian race car and go-kart manufacturer, owned by Juliano’s father, Ademar Moro. Ever since it was launched, the AJR captured the pole position in every race it participated, and is a car that accepts a wide range of engines. In summary, the AJR is a tubeframe prototype with a carbon fiber body, using a Xtrac P1152 LMP3 gearbox and LMP2 spec carbon brakes, while the chassis allow a wide range of engines to be used.

The first ever car used a Honda K20 Turbo engine, but reliability really appeared when the car received a Chevrolet LS3 V8 similar to those used in the Brazilian Stock Cars. These engines are based on the Camaro powerplant, and can produce up to 550 HP in qualify trim, being limited to 450 HP in races to keep reliability and fuel consumption at hand. With the revamp of the rules in 2019 allowing more fuel per stint, the teams started to seek ways to improve power of the V8. Some migrated to Motorcar Racing, a famous engine tuner in Brazil, while Giaffone Racing (the company responsible to build and run all Brazilian Stock Car, engine included) developed an evolution engine called Gen2 for the Endurance Racing. Now power levels range between 600 HP to 700 HP in qualifying trim, with the more powerful car believed to be the #65 car from NC Racing, which uses a custom built LS3 V8 with the displacement enlarged to 6.9 liter and tuned by Motorcar Racing.

Other engines in use/used were:

Audi 2 liter turbo engine in the #46 car of Mottin Racing (now they are expected to bring a Chevy LS7 7 liter engine);

Honda K24 Turbo on the #11 car from Emilio Padron (for 2020 he will switch to a Chevy LS3 by Motorcar);

Nissan VQ35 V6 from the Power Imports Racing Team, initially naturally aspirated and now equipped with a Vortech supercharger;

Chassis wise the AJR received numerous updates, especially in 2019, with the introduction of a new new front wing design, DRS and various aerodynamic bits added throughout the season.

I highly encourage you to read the blog post below (only in Portuguese, but soon to be translated), were I go more in depht through all of the AJR history, technical updates and race results:

https://nivelandoaengenharia.com.br/...lmoro-jlm-ajr/

Last edited by DanielVieceli; 9 May 2020 at 22:21. Reason: Add a link to external site
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Old 9 May 2020, 22:29 (Ref:3975319)   #14
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As you can see, there will be a variety of cars racing in P1, with the grid dominated by the Metalmoro JLM AJR. This is not by chance, as the AJR is the current car to beat in Brazil, This car is the result of a development made by Juliano Moro, former F3 driver and JLM Racing team principal. Taking advantage of the design freedom of the P1 class, the team had the aero development conducted by British firm Dynamic Flow Solutions, while the chassis and all the manufacturing was done in house at Metalmoro, traditional Brazilian race car and go-kart manufacturer, owned by Juliano’s father, Ademar Moro. Ever since it was launched, the AJR captured the pole position in every race it participated, and is a car that accepts a wide range of engines. In summary, the AJR is a tubeframe prototype with a carbon fiber body, using a Xtrac P1152 LMP3 gearbox and LMP2 spec carbon brakes, while the chassis allow a wide range of engines to be used.

The first ever car used a Honda K20 Turbo engine, but reliability really appeared when the car received a Chevrolet LS3 V8 similar to those used in the Brazilian Stock Cars. These engines are based on the Camaro powerplant, and can produce up to 550 HP in qualify trim, being limited to 450 HP in races to keep reliability and fuel consumption at hand. With the revamp of the rules in 2019 allowing more fuel per stint, the teams started to seek ways to improve power of the V8. Some migrated to Motorcar Racing, a famous engine tuner in Brazil, while Giaffone Racing (the company responsible to build and run all Brazilian Stock Car, engine included) developed an evolution engine called Gen2 for the Endurance Racing. Now power levels range between 600 HP to 700 HP in qualifying trim, with the more powerful car believed to be the #65 car from NC Racing, which uses a custom built LS3 V8 with the displacement enlarged to 6.9 liter and tuned by Motorcar Racing.

Other engines in use/used were:

Audi 2 liter turbo engine in the #46 car of Mottin Racing (now they are expected to bring a Chevy LS7 7 liter engine);

Honda K24 Turbo on the #11 car from Emilio Padron (for 2020 he will switch to a Chevy LS3 by Motorcar);
Nissan VQ35 V6 from the Power Imports Racing Team, initially naturally aspirated and now equipped with a Vortech supercharger;

Chassis wise the AJR received numerous updates, especially in 2019, with the introduction of a new new front wing design, DRS and various aerodynamic bits added throughout the season.
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Old 10 May 2020, 03:05 (Ref:3975339)   #15
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Originally Posted by DanielVieceli View Post
As you can see, there will be a variety of cars racing in P1, with the grid dominated by the Metalmoro JLM AJR. This is not by chance, as the AJR is the current car to beat in Brazil, This car is the result of a development made by Juliano Moro, former F3 driver and JLM Racing team principal. Taking advantage of the design freedom of the P1 class, the team had the aero development conducted by British firm Dynamic Flow Solutions, while the chassis and all the manufacturing was done in house at Metalmoro, traditional Brazilian race car and go-kart manufacturer, owned by Juliano’s father, Ademar Moro. Ever since it was launched, the AJR captured the pole position in every race it participated, and is a car that accepts a wide range of engines. In summary, the AJR is a tubeframe prototype with a carbon fiber body, using a Xtrac P1152 LMP3 gearbox and LMP2 spec carbon brakes, while the chassis allow a wide range of engines to be used.

The first ever car used a Honda K20 Turbo engine, but reliability really appeared when the car received a Chevrolet LS3 V8 similar to those used in the Brazilian Stock Cars. These engines are based on the Camaro powerplant, and can produce up to 550 HP in qualify trim, being limited to 450 HP in races to keep reliability and fuel consumption at hand. With the revamp of the rules in 2019 allowing more fuel per stint, the teams started to seek ways to improve power of the V8. Some migrated to Motorcar Racing, a famous engine tuner in Brazil, while Giaffone Racing (the company responsible to build and run all Brazilian Stock Car, engine included) developed an evolution engine called Gen2 for the Endurance Racing. Now power levels range between 600 HP to 700 HP in qualifying trim, with the more powerful car believed to be the #65 car from NC Racing, which uses a custom built LS3 V8 with the displacement enlarged to 6.9 liter and tuned by Motorcar Racing.

Other engines in use/used were:

Audi 2 liter turbo engine in the #46 car of Mottin Racing (now they are expected to bring a Chevy LS7 7 liter engine);

Honda K24 Turbo on the #11 car from Emilio Padron (for 2020 he will switch to a Chevy LS3 by Motorcar);
Nissan VQ35 V6 from the Power Imports Racing Team, initially naturally aspirated and now equipped with a Vortech supercharger;

Chassis wise the AJR received numerous updates, especially in 2019, with the introduction of a new new front wing design, DRS and various aerodynamic bits added throughout the season.
Thanks for taking the time for this write-up, it's much appreciated, especially since it's hard to come by information on this series in English.
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