Yes I do on stuff I build... on a production car I use the drive shaft to the pinion
Would you use that drive shaft to Pinion on My production car???
73 A body Sport. 440 installed in a SB K frame 1" higher then a normal BB K frame. 76 rear axel with the soft rubber axel mounts removed bolted to stock 73 springs.
What Pinion angle between the two should I be looking for.???? 550 HP, If, that matters.