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Old 1 Dec 2023, 22:25 (Ref:4187993)   #1
apexster
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apexster should be qualifying in the top 10 on the grid
Help w/Mystery Uprights

I'm hoping to find someone who can identify front suspension uprights with the letters/numbers:

MMR
HO F276
1040

I'm inclined to believe these are possibly from a 1976 F2 car, but not certain.

Many Thanks!
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Old 1 Dec 2023, 22:45 (Ref:4187995)   #2
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Originally Posted by apexster View Post
I'm hoping to find someone who can identify front suspension uprights with the letters/numbers:

MMR
HO F276
1040

I'm inclined to believe these are possibly from a 1976 F2 car, but not certain.

Many Thanks!
It might be easier to identify them with a picture. People like Iain Rowley would probably know ?
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Old 2 Dec 2023, 09:15 (Ref:4188042)   #3
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911thillclimber should be qualifying in the top 5 on the grid911thillclimber should be qualifying in the top 5 on the grid
Indeed.
Mine are from a F2 March, around mid 70's, bit special because they have ears for calipers on them One is magnesium and one is aluminium oddly.

Super rare!





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Old 2 Dec 2023, 19:03 (Ref:4188076)   #4
apexster
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pictures of mystery upright

pictures of mystery upright added.
Attached Thumbnails
20231129_110721.jpg   20231129_110631.jpg   20231129_110954.jpg  

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Old 2 Dec 2023, 23:04 (Ref:4188089)   #5
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911thillclimber should be qualifying in the top 5 on the grid911thillclimber should be qualifying in the top 5 on the grid
Ah...fronts!
No idea!
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Old 3 Dec 2023, 02:43 (Ref:4188114)   #6
GreenMachine
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GreenMachine should be qualifying in the top 10 on the gridGreenMachine should be qualifying in the top 10 on the grid
Is that nut on the axle meant to be holding anything on?!
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Old 3 Dec 2023, 03:12 (Ref:4188119)   #7
apexster
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Hey Graham, what are the letters/numbers cast into your rear uprights?
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Old 3 Dec 2023, 03:39 (Ref:4188121)   #8
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It's on the to-do list!
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Old 3 Dec 2023, 09:20 (Ref:4188132)   #9
911thillclimber
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911thillclimber should be qualifying in the top 5 on the grid911thillclimber should be qualifying in the top 5 on the grid
John, I'll take a look today and post back. There are very few markings on the one, none on the other.

My front uprights are Ralt and have a similar nut on the spindle though not welded.
The design is the spindle rotates with the bearings and is not part of the upright like a road car would be.
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Old 3 Dec 2023, 22:15 (Ref:4188171)   #10
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Interesting. It's the MMR designation that I suspect represents the manufacturer. Another person suggested mine may be ralt. Someone else said March, which is very similar but not correct.
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Old 4 Dec 2023, 09:03 (Ref:4188203)   #11
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911thillclimber should be qualifying in the top 5 on the grid911thillclimber should be qualifying in the top 5 on the grid
These are my Ralt fronts. There are no marks cast into them.

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Old 4 Dec 2023, 19:54 (Ref:4188287)   #12
apexster
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Thank you for that.
Interesting similarities as mine rotates with the bearing as yours does and the shape of the casting has similarities on the back side. The welded nut on mine is for ease of assembly (torque). Someone else suggested mine are possibly ralt. We will see.
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Old 5 Dec 2023, 08:45 (Ref:4188319)   #13
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911thillclimber should be qualifying in the top 5 on the grid911thillclimber should be qualifying in the top 5 on the grid
You may know this already, but a good place to visit is Racecarsdirect.com
There you will find a section in 'Categories' pages of classic race car suspension and lots of uprights. You may spot some for sale the same as yours and so identify them?

!
Just had a look though the 7 pages on suspension, nothing like yours!
Also, a good info source is Dermot Healy
demothealy@btinternet.com

He has been trading race car parts for decades and my help you identify the uprights.

Last edited by 911thillclimber; 5 Dec 2023 at 08:56.
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Old 5 Dec 2023, 17:41 (Ref:4188365)   #14
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Agree on racecarsdirect.com, but noteworthy that I also posted the inquiry there and received one reply within hours. It was an attempt to scam me for $900. Didn't fall for it.

I will check with your other sources. Thanks again.
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