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Click on image for the lowdown. 
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| | | Forums66 Topics128,068 Posts1,055,881 Members48,428 | | 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 2005 Posts: 381 Shop Shark | | Shop Shark Joined: Apr 2005 Posts: 381 | Get the ZDDP additive and put it in with 5 qts. of any oil you want to use. You should be OK then with the flat tappets. That's what I've been using in all my old engines. | | |
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