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Click on image for the lowdown. 
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| | | Forums66 Topics128,091 Posts1,056,393 Members48,442 | | 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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#74861 03/15/2007 5:20 AM | Joined: Feb 2006 Posts: 112 Member | | Member Joined: Feb 2006 Posts: 112 | those are oil ports...the drill size etc. is in tech tips i believe, or try the search feature..i did mine, real simple but don't remember size.. | | |
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