1970..............the size tire on my spare is 225/70 and doesn't want to fit without lowering the ride height of the carrier. What is the correct size?

Thanks

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Spare tire size

Posted: 12/11/09 9:19pmMessage 2 of 3

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Adams' Apple

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Vette(s): #1-1974 L-48 4spd Cp Med Red Metallic/Black deluxe int w/AC/tilt/tele./p/w-p/b/ Am-Fm/map light National/Regional/Chapter NCRS "Top Flight" #2-1985 Bright Red/Carmine Cp.L-98/auto Member: NCRS, NCRS Texas, Corvette Legends of Texas

The original size for the '70 model was F70-15. Crossing that over to the metric system will give you a tire that is a bit wider, which means the tire tub has to be adjusted down somewhat.
My '74 came with GR70-15s, and the metric equivalent is a 225-70R15. I have to drop the tub down to get a spare that size on mine, too....

Joel Adams
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