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Topic: 1977 Corvette rim pattern size

in Forum: C3 Engines, Driveline and Handling


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1977 Corvette rim pattern size

Posted: 8/4/07 2:27pm Message 1 of 3
csradley
Former Member
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Pflugerville, TX - USA
Joined: 7/18/2007
Posts: 24
Vette(s): 1977 vette
Hi guys,
 
I recently purchased a 1977 vette and would like to know what the rim pattern size is, I've read it is 5x4.75 with 4-4.5 backspacing is this correct??
 
Thanks in advance for any help.
 
Chris.



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1977 Corvette rim pattern size

Posted: 8/5/07 6:06am Message 2 of 3
SFVette
Former Member
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Joined: 3/27/2006
Posts: 380
The bolt pattern is 5x4.75; and I believe the correct backspacing is 4". (I'm not sure about the .5", but that's probably either within the factory specs as well, or within the 'margin of error' that many of these cars seem to accept without a problem.)


1977 Corvette rim pattern size

Posted: 8/5/07 10:31am Message 3 of 3
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aceinthehole
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Manteca, CA - USA
Joined: 11/20/2005
Posts: 3623
Vette(s): 1978,two tone,Metalic Rootbeer & gold 1975 L48 4 speed
I agree. I had a tight fit with 255 x 60x15 and a 4" backset. So I chose a 3 3/4" backset on my last wheel purchase from Les Schwab. It left me about 1/2" clearance.


Jimmy B.
Just can't wait to get on the road again.

 
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in Forum: C3 Engines, Driveline and Handling


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