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Mod | | | Forums66 Topics128,115 Posts1,056,288 Members48,439 | | 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!
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For helping keep this great
old truck web site
on the Internet for over 30 years! and not clogged down
with Ads!  Again, thanks!
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#55375 01/22/2006 4:57 AM | Joined: Sep 2003 Posts: 343 Member | | Member Joined: Sep 2003 Posts: 343 | Novak Tech support got back to me and gave me the 411 on the different thickness gasket question. The oil seal tends to wear a groove in the input shaft after years of service, so by using the thicker gasket or maybe both you move the oil seal to an unworn area of the input shaft.
1954 GMC 1/2-ton Longbed
1971 Pontiac LeMans Sport
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