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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: Jul 2000 Posts: 2,204 Insomniac | | Insomniac Joined: Jul 2000 Posts: 2,204 | I think that this describes the "problem": https://www.fixmyoldride.com/Chevy-engine-oil-pressure.htmlI'm interested since I have the L20 in my 2010 Sierra. The "problem" seems to come from gunky oil so I'm guessing that frequent oil changes would be a good idea if you plan to use a LS engine.
Gord 🇨🇦
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1954 1/2 ton 235 4 speed
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