What size are the wheels? If you have at least 15x7 rims you could probably go up to 235/60/15 and get better handling and keep the speedo and rpm's the same. I went with the Cooper tires on my 70 SS396 and they look really good after 3800 miles so I have no complaints.
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69 Z28 JL8 4 wheel disc brakes - being restored
09 Silverado Z71
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