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Labor Day Putting down your wrenches or time for
MORE wrenching? 
Plenty of places to share. | | Click on image for the lowdown. 
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| | | Forums66 Topics128,004 Posts1,055,265 Members48,418 | | 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: Mar 2003 Posts: 1,132 Shop Shark | | Shop Shark Joined: Mar 2003 Posts: 1,132 | Looking through the various catalogs for headers for my 49 sub with a 283. I am totally confused by the terminology. I think I need the block hugger type but can't figure out what they are talking about. What do the following terns mean? Plain straight plug with o2. Plain straight plug without o2. Plain angle plug with o2. Plain angle plug without o2. D port. Thanks bolters for putting up with my ignorance for the Nth time. Weeds | | |
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