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Mod | | | Forums66 Topics128,081 Posts1,056,075 Members48,434 | | Most Online14,466
Apr 26th, 2026 | | AD Chevy Trucks  Over 6,000 pictures Brad Allen has an awesome collection of Chevrolet factory pictures that he has set up from film strips. Check them out!
Lots of work on Brad's part ... pure enjoyment (and references) for you!
| | THANKS!
For helping keep this great
old truck web site
on the Internet for over 30 years! and not clogged down
with Ads!  Again, thanks!
| | | | Joined: Jun 2006 Posts: 687 Shop Shark | | Shop Shark Joined: Jun 2006 Posts: 687 | The 216 in my 41 is leaking oil out the rear main seal. The machineshop used a neoprene seal and the surface of the crankshaft is a little rough so it leaks. I am installing a new roap seal (provided by the machineshop at no cost to me). So I am installing the seal and need tightening torque for the main bolts. My 1941 chevrolet service manual dosn't give a torque spec. for the main cap bolts. It only said to tighten the cap bolts and if it the crankshaft bound up then add a shim and check it again. NO TORQUE SPEC GIVEN. NO TORQUE SPEC. PAGE IN MANUAL. HUMMMMM!?!? HOW TIGHT IS TIGHT?
I didn't do it, no one saw me do it, you can't prove anything! "Bart Simpson"
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