SS Dana Axle?

autoxcuda said

But was 10 1/2” slick the written tire rule for the 1968 NHRA season?

I know there was a tire rule.

What the rules changed to in 1969, 1970, etc are irrelevant to the initial design of the car.

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I have lost the ´68-´69 NHRA rule booklet.
But for SS 1970 it says " any wheel/tire combinaion that will fit into the original wheel well"
If I remember correct, this was also valid for ´68-´69.
For Stock different ofcause (7")