Quote:

wouldnt the pinion* depend on the spring rate and TQ output of the engine at the pinion?i imagine it is complicated to figure mostly due to the front spring segment rate.i have never herd it mentioned. could you put a hyd jack with a psi gauge on the pinion and apply pressure to determine the angle #rate?



Sure torque plays into itbut you have to start somewhere
and the way I use to check the pinion rap up was
using clay on the floor pan