I have 68 GTO with 275-60-15's on the back and 225-60-15's up front. I have read where 235-60-15 would fit up front, so I went one step below. I have no trouble with tires rubbing, however, I have rebuilt that front suspension with new springs, bushings, ball joints, tie rod ends.
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469 (455 + .060") with the Edelbrock RAIV cam, Ported 6X-8 heads with 1.77" exhaust valves, 100 cc's, "0" decked block for 9.3:1 static CR, Eagle 1.65:1 roller rockers, Edelbrock RPM manifold and Edelbrock 750 carb., 1.75" x 3.0" Hedman Headers, 2.5" flowmaster exhaust system with "H" pipe and Dynamax super turbo mufflers. 200-4R with a Continental converter, 3.07:1 12 Bolt Saf-T-Trac
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