Quote:

You will have to change the Spider gears out in the Powerlock if you use it. Most 3/4 and 1 ton rears have 16 spline axles. I believe Randy's Ring and Pinion sell the replacement gears.



Yeah, I know that. FWIW, the 3.54 rear has 30 spline axles, but Im going to 35 splines, so no matter.

72 RR, Pump gas 440, 452s, 3800 lbs, Corked, ET Radials,. 11.33@117.72. Same car, bone stock 346s, 9.5 comp, baby solid. 12.24@110.