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post #1 of 3 (permalink) Old 07-27-2012, 10:40 AM Thread Starter
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true spare tire alternative for C5 Z06

I posted this question on the other forum, but so far, no solid response. This is a more specific forum and I hope someone cruising the "tires section" can help:

I found an OEM spare tire kit for 2010-2012 Camaros. Small steel rim with a 155x70-18" tire.

I used a tire conversion chart to compare the spare tire's diameter with the front and rear tires on my 2003 Z06.

The diameter of the spare is 26.6". The front OEM (265x40-17) diameter is 25.4", and the rear OEM (295x35-18) diameter is 26.1".

Can I use the Camaro spare at the front AND rear of the Corvette if I use the correct offset spacer for each application? I think the front dimensions are almost irrelevant because the front wheels are independent; and the rear dimensions are only lacking half an inch (.5")... isn't that close enough to run on the same axle ? Does that make sense?

Can someone tell me what the offset should be for the front and back, or point me in the right direction so I can research for the answer?

It'd be worth it to me to pay for the spare. I do a lot of cross-country driving, and West Texas is pretty desolate. A run flat wouldn't have helped me with my last blow-out... the RR tire got skewered with a 5" bolt. Fortunately, I was in a car with a spare tire.

Thank you.

Last edited by c5 z06; 07-27-2012 at 10:43 AM.
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post #2 of 3 (permalink) Old 07-30-2012, 07:10 PM
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Re: true spare tire alternative for C5 Z06

Not a good idea in having one tire different diameter then others as there is a yaw sensor and all 4 wheels have a speed sensor and will cause ETBCM to trip ABS and traction control
Also could effect steering wheel sensor position and car being seen not rolling straight with 1 tire moving car off center

Best is a small D/C air compressor and a tire patch it stored in hatch area to fix tires

Mike M - 2001 / 2008 Z06s
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post #3 of 3 (permalink) Old 06-14-2017, 04:46 PM
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Re: true spare tire alternative for C5 Z06

Not sure if your still interested but I recently came across this kit as I've been searching for a spare tire for my car. Should work on your car with no harmful effect to the driveline/computer systems.

https://modernspare.com/product/1997...case-included/
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