I would be careful how much the front of the crank drops. You don't want to have the timing gear slip a tooth. I have replaced the seal with the engine in place on two vehicles but I pulled the transmission back. I also adjust main bearing shims to get down to the minimum clearance.


1951 GMC 1 Ton Flatbed -- It is finally on the road and what a great time I have driving it!
1951 1 Ton Completed


My Chevy Master 4 Door is on the Road!