vibrations at speed with poly trans mount
Arent SS's an inch lower from the factory than z28s? Thats what i thought i heard once.....would that affect the pinion angle if it was set to 0 for a z28 by UMI because it still vibrated when it was set by them after the install.
I also have an update...i narrowed the vibration down from 70-86 mph by tweaking the pinion angle again...im pretty sure i left it at -1....I have to tweak it a little more hopefully that solves the problem.
Is this similar to your vibration I've been chasing this one for about a year now built t56 moser 12 bolt spohn drive shaft. And I have a poly Trans mount




