Drive shaft and pinion angle

[FJB2069]

Taking a straight edge off of the back of the transmission output shaft, how far below the center of the rear end pinion should that be?

[jaybee]

Maybe this will help:

http://www.roddingroundtable.com/tech/articles/driveline.html

[KAA]

http://www.chevelles.com/forums/showpost.php?p=1058346&postcount=43