In 1967 when they put the first 383's in the A-Body's they used the 892-893 torsion bars and only upgraded them in 1968, so they must have worked OK, but wanted better cornering and went bigger. You will be fine with what you have... twocents

The funny thing about science is that if you change one miniscule parameter you change the entire outcome to the way you want it.

JB Rhinehart, Realist

A-Body's RULE!