Help with tire size
05-24-2014, 12:48 PM
#1
Racer
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Help with tire size
I have found a set of Cragar rims and tires but need help determining the fitment.
My car is stock 64 coupe.
The information I got from the seller is this;
GM bolt pattern
Front 15 x 7 backspace 4.25 offset +6mm
Rear 15x8 backspace 4.5 offset 0
The tires are Goodyear Polyglas GT F60-15
Any help is greatly appreciated!
Thank you
Jim
My car is stock 64 coupe.
The information I got from the seller is this;
GM bolt pattern
Front 15 x 7 backspace 4.25 offset +6mm
Rear 15x8 backspace 4.5 offset 0
The tires are Goodyear Polyglas GT F60-15
Any help is greatly appreciated!
Thank you
Jim
05-25-2014, 02:51 PM
#2
Team Owner
First of all, those tires are SO old, I wouldn't use them for road duty. I never had a C-2 Corvette, as I was a little too young, but a couple of my older friends did have them back in the day. To the best of my recollection, a 7" rim is pretty much the MAX you can use, and a current tire would be sized something like a 205 or 215/70/15.
Secondly, clearance between the rear of the spokes and the calipers is critical. A lot of wheels have issues there. And as if that isn't enough, I heard stories of body bolts having to be loosened, and the body shifted on the frame, for tire clearance, as it's THAT close.
Remember, these cars were designed around MUCH narrower tires....
Secondly, clearance between the rear of the spokes and the calipers is critical. A lot of wheels have issues there. And as if that isn't enough, I heard stories of body bolts having to be loosened, and the body shifted on the frame, for tire clearance, as it's THAT close.
Remember, these cars were designed around MUCH narrower tires....
05-25-2014, 03:43 PM
#3
Racer
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Member Since: Aug 2009
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First of all, those tires are SO old, I wouldn't use them for road duty. I never had a C-2 Corvette, as I was a little too young, but a couple of my older friends did have them back in the day. To the best of my recollection, a 7" rim is pretty much the MAX you can use, and a current tire would be sized something like a 205 or 215/70/15.
Secondly, clearance between the rear of the spokes and the calipers is critical. A lot of wheels have issues there. And as if that isn't enough, I heard stories of body bolts having to be loosened, and the body shifted on the frame, for tire clearance, as it's THAT close.
Remember, these cars were designed around MUCH narrower tires....
Secondly, clearance between the rear of the spokes and the calipers is critical. A lot of wheels have issues there. And as if that isn't enough, I heard stories of body bolts having to be loosened, and the body shifted on the frame, for tire clearance, as it's THAT close.
Remember, these cars were designed around MUCH narrower tires....
05-25-2014, 05:00 PM
#4
Team Owner
05-29-2014, 09:54 PM
#5
Racer
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Member Since: Aug 2009
Location: Tacoma Washingon
Posts: 266
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