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Mod | | | Forums66 Topics128,161 Posts1,056,906 Members48,458 | | 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!
| | | | Joined: Sep 2007 Posts: 2,644 Shop Shark | | Shop Shark Joined: Sep 2007 Posts: 2,644 | In the course of this subject being talked to death someone posted a statement from Valvoline stating that all of their oils are suitable for flat tappet engines. As automarc points out, a stock engine doers not require any high-performance oil or zinc additives. However on a fresh rebuild adding a can of zinc additive is cheap insurance during break in. | | |
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