Originally Posted by RapidRobert
might not apply here but l had a part time occaisional vibration on decell & there was not enough yoke engagement in the tailhousing. a longer shaft with the same yoke took care of it.
. This is where I' m looking next. I'm about 3 3/4" out from end of tailshaft. I have replaced the tailshaft bushing with no change. Also new u joints at both ends. I measured the engagement of the input yoke. It is real close to about 3 1/2". Vertically no side to side or up and down wobble.

Last edited by 68LAR; 11/18/20 05:38 PM.
4 speed street legal. Best time 10.99 @ 124 mph on 93 octane pump gas @ 3926# total weight