Are your Motor Mounts at the Bellhousing in good condition? Sounds like you were on to something with the change in your pinon angle, does it match the transmission angle? Hopefully the Driveline Shop can sort it out with a rebalance.


~ Craig
1958 Viking 4400
"The Book of Thor"
Read the story in the DITY
1960 Chevrolet C10
"A Family Heirloom"
Follow the story in the DITY Gallery
'59 Apache 31, 327 V8 (0.030 over), Muncie M20 4 Speed, GM 10 Bolt Rear... long term project (30 years and counting)

If you don't like driving yourTruck, you won't drive yourTruck..| Living life in the SLOW lane