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Mod | | | Forums66 Topics128,142 Posts1,056,481 Members48,441 | | 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: Apr 2008 Posts: 16 New Guy | | New Guy Joined: Apr 2008 Posts: 16 | Even the latest HDEOs ( Heavy Duty Engine Oils) have ZDDP levels similar to those in racing oils but have much better detergent additives. If you don't want to pay extra for 30-weight synthetic HDEOs, conventional 10W-30 HDEOs cost less than racing oils and provide better sludge protection to street-driven engines. Engine Oil Article | | |
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