Originally Posted by
primey
wondering wot kinda diff is needed, or people are running without issues in a YB converted car using an atlas axle... power is stage 3 so round 300bhp mark.
Not on the road yet but im using a 3.44 in my cortina, depends what your doing with the car my axle builder said the 3.75 is the one to go for as a good all rounder, im planning on doing a few road miles with mine so went with the 3.44.