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Click on image for the lowdown. 
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| | | Forums66 Topics128,120 Posts1,056,319 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!
| | THANKS!
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: May 2005 Posts: 8,983 Sir Searchalot | | Sir Searchalot Joined: May 2005 Posts: 8,983 | Will leave plugged and examine oil flow to rockers. Bad engineering to admit passages may get plugged. Did they write a TSB or other instructions? Kind of a mixed up era of oiling/filtering/pressurizing.
Right is right, even if everyone is against it, and wrong is wrong, even if everyone is for it. - William Penn
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