If you are going to replace the main bearings than you will have to drop the crank as per the procedure in the manual. This is the ideal time to put in the new seal. I have just been through this process.


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!