i believe my speedometer is off because i put 3.00 gears to replace my 2.79 gear set.
here's what i know: here's what i want to know:
17 tooth Driven gear 1. what drive gear i have
3.00 posi 2. what driven gear would fix this problem
8" rear 3. and even possibly, what tire and wheel diameter combo would help out.
1968 ford mustang
Thank you for your input.