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Factory Alignment Specifications for Corvette

 
Old 04-14-2014, 10:53 AM
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mrr23
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Default Factory Alignment Specifications for Corvette

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Old 04-14-2014, 03:47 PM
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Old 04-14-2014, 04:36 PM
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Mods - this should be a sticky!

Thanks Robert!
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Old 09-10-2014, 03:39 PM
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Yay sticky worthy
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Old 12-21-2014, 10:54 AM
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Default My car tracks straight now

It still seems tonwant to go right a little but barley significant. I have neg camber of -7 on front right tire and -4 of left front tire. I also have caster done but not sure how much.
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Old 04-08-2015, 10:02 PM
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Thanks for this very useful post.
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Old 08-08-2015, 01:26 PM
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Originally Posted by lionelhutz View Post
01-04 except Z06
front*
camber -0.20* +/- 0.50*
caster 6.90* +/- 0.50*
total toe 0.08* +/- 0.20*

That number is direct from the GM manual, not from Hunter who failed to copy it correctly.
thanks for the information. the next time either of us are in contact with the engineers at hunter or GM, maybe it can get it fixed.
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Old 10-23-2015, 10:32 PM
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Default camber info.

thanks a lot.
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Old 10-24-2015, 12:41 PM
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Thank you for the specs!

The Caster and total Toe-In specs listed for the 53 to 57 Vettes are suspect (mainly the Toe-In). My ST-12 (GM 1953-1962 Corvette Servicing Guide) lists the Caster at 2 deg. (+/- 1/2 deg.) and Toe-In (per wheel) at 1/16" to 1/8" for all C1 Corvettes. I understand that somewhere in mid 1956 GM started adding 2 degree shim plates at the front cross member to add Caster, so Caster could certainly be zero with the earlier C1 Vettes, but the Toe-In spec should not of been affected. Other than the shim plates, no other significant front suspension geometry changes were made during the entire C1 production run.

I also question the overall Toe-In settings for C1 (1953 to 1962) vs. C2 & C3 (1963 to 1982). The factory specs for the C1's is: 1/8" to 1/4" total (call it 3/16" nominal) which per the Hunter spec is .13 deg.. The factory spec for the C2's & C3's is 3/16" to 5/16" total (call it .25" nominal), which per your Hunter specs is .50 deg. That does not add up, since there is only a 1/16" difference between the C1 and C2/C3 specs, yet there is a .37 deg difference in the Hunter specs (the .50 deg. C2/C3 spec is almost 4 times larger than the C1spec.).

On another note, do you know the formula to convert Toe-In specs from degrees back to inches (like they "use to" measure Toe)? I do some initial setup alignment work whenever I change a front end part, and all my Toe-In measurements are done with a tape measure....

I understand that wheel diameter affects Toe-In in inches (as wheel diameter increases, so does the necessary Toe increase), vs. degrees (which do not change with wheel diameter). I also understand (contrary to several internet listings), that Toe-In was taken at the wheel rim edge, not the tire tread.

Thanks,
John (plasticman)

Last edited by Plasticman; 10-25-2015 at 11:37 AM.
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