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Former Member
Send PMLambertville, MI - USA
Joined: 11/14/2003
Posts: 1
Vette(s): 1969 T-top Met silver/silver interior 350 ps pb auto a/c pw #'s
1976 T-top Met silver/red interior 350 ps pb auto a/c pw #'s
On my 1976 with 15x7 wheels what is the maximum tire width for both front and rear tires? 
|UPDATED|7/9/2004 7:47:56 AM (AZT)|/UPDATED|
|UPDATED|7/9/2004 7:47:56 AM (AZT)|/UPDATED|
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Free Member
Send PMFrederick, MD - USA
Joined: 9/8/2003
Posts: 3398
Vette(s): 1969 convertible L71 427/435 4-speed black interior
A '76 should have 15"x8" rims on it. The only size Chevrolet approved it for was a GR70-15 radial tire. That corresponds roughly to a P215/70R-15 or a P225/70R-15...not an exact cross reference. The 215's should fit fine...225's may not clear on some cars.
You may be able to fit other size tires, but that will take some experimentation to make sure there are no clearance problems.
You may be able to fit other size tires, but that will take some experimentation to make sure there are no clearance problems.
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D
If you have the stock 15X8 rims you could fit up to a 255/60/15 tire on them. I run 245/60/15's on mine and they fit perfectly.
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H
I'm using 255/60 tires on my 68 with 7 ins. rims with no
clearance problems.
clearance problems.
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Lifetime Member
Send PMSHELBYVILLE, TN - USA
Joined: 7/5/2002
Posts: 3944
Vette(s): 1976 L48 auto
1978 L82 4speed
1994 LT1 6speed
1978 L82 4speed
1994 LT1 6speed
i run 235/60 on the front and 275/60 on the rear on both 76 &78 
StingrayJim 
NCM Lifetime Member #1936
Stingray's '76���������������������������� StingrayJr's '78���������������������������Lil Red '94 
(click each one to see a bigger version)
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I have done some research and found the original diameter for the F70-15 that was original on my 75. It is the same as about a 211-70 or 212-70. That means a 205 is a bit small, and a 215-70 is the closest possible replacement. Going to a wider tire, the 255-60 is the same diameter. But the wider tires can rub on some cars.
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Free Member
Send PMBRADENTON, FL - USA
Joined: 8/4/2002
Posts: 669
Vette(s): 1972 convertible 350 auto trans, delux int, air, ps, pb, t/t wheel, pw, 79,000 org miles Rare one year only color
255-60-15 on mine and no clearance problem. speedometer reads correct with this size
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in Forum: C3 Engines, Driveline and Handling
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