Originally Posted by
Pappy
Even with Cup 2Rs, I have my doubts that the skinny front 275s are up to the task for a 3700# car, regardless of the rear weight bias. They are on a 10" wheel, and it doesn't look like there is room to make the wheel wider outboard. I have not been able to determine if the backspacing can be increased to get a wheel that will accommodate at least a 315. There are a lot of unknowns like how much front and/or rear downforce is generated by the Z07 package, and at what drag penalty.
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