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Click on image for the lowdown. 
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| | | Forums66 Topics128,090 Posts1,056,018 Members48,430 | | 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!
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#67383 10/23/2006 4:36 AM | Joined: Oct 2006 Posts: 3 Junior Member | | Junior Member Joined: Oct 2006 Posts: 3 | George, we discovered they are air injection ports with bolts put in them to plug the holes.
Longbox55, we used to buy salvage/scrap military parts and indeed had some small block chevy, (even turbocharged) generator engines. I still have a 8-10 quart oil pan for one. | | |
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