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Old May 20, 2016 | 02:49 PM
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I got a set of grand sport 5 spoke aftermarket wheels, the rears are 17x11 50 mm offset. My question is, will 315/35zr17 tires fit these wheels on a 89 Vette with no problems?
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Old May 20, 2016 | 04:48 PM
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Originally Posted by HIHO
I got a set of grand sport 5 spoke aftermarket wheels, the rears are 17x11 50 mm offset. My question is, will 315/35zr17 tires fit these wheels on a 89 Vette with no problems?
It's mentioned from time to time that people have issues with muffler/tire rub. Theoretically "on paper" it's supposed to be a fit! **** happens though!
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Old May 20, 2016 | 04:52 PM
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I have a 92 that fits 315's fine. Different rims and sorry I don't know the offset.
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Old May 23, 2016 | 08:43 AM
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I have wheels and tires of the size you ask about at all four corners of my 96 and they fit just fine. I do have a custom exhaust, but it runs in the same pathway as the original and is actually bigger diameter, so I would think if it clears mine it will clear yours.
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Old May 23, 2016 | 08:56 AM
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GY 315's fit, it is close and stick out a little but fit. If you do not want it sticking out check the tread with of the tires you are looking at. With flares, tires are covered.
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Old May 23, 2016 | 09:04 AM
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This is what they look like on my car, front and back:



Not really sticking out, and no rubbing at any part of suspension travel. This is with roughly -2.0* camber in back so the top of the tire is maybe 0.75" further in than on a car with zero rear camber (but you should have a little rear camber in there!).
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Old May 23, 2016 | 07:30 PM
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Originally Posted by HIHO
I got a set of grand sport 5 spoke aftermarket wheels, the rears are 17x11 50 mm offset. My question is, will 315/35zr17 tires fit these wheels on a 89 Vette with no problems?
If the offsets are 56mm for the fronts and 50mm for the rears, you should be OK.

I have a set of real GS wheels (2 in 17x9.5 56mm offset, 2 17x11 50mm offset) with 275/40 tires in front and 315/35 tires in the rear on my '93. The rears don't rub but because it's an autocross car, I have more negative camber in the rear and stiffer springs and shocks. The car is also lowered.

I would check to make sure that nothing will rub on the inside around the brake lines and parking brake cables. I had to build one bracket to pull the left side parking brake cable about an inch further inward.
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