Originally Posted by SA1911A
Used shims on axle and plate on trans tail shaft that came with kit for proper pinion/driveshaft alignment, ( I thought) after playing around with it this weekend I found the trans needed to be raised just about 1/32 of an inch added a homemade shim to raise tail shaft. Like magic vibration all gone. I am going to play with it some more to see if I can get same result by changing shims around/out and spacer plate at trans.
FYI everything I found told me angle of pinion is between 3 and 6 degrees
I was corrected today on pinion angle it is 1 to 3 degrees for a lowered truck so they say seeing as mine has stopped vibrating I'm going to get a tool to read the angle for myself. Just didn’t want to mislead anyone.