Quote: ouch 12.60? Now I know I need to swap mine out ASAP. I have a set from DrDiff sitting next to the car. FWIW I ran 12.0's with stock rear/axles for and entire year w/ no problems 1.65 60 foot in a 3850lb car. This one has had only a few runs and 1.60 60 foot.
When is the last time you looked at the splines on either car?
