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Click on image for the lowdown. 
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| | | Forums66 Topics128,037 Posts1,055,468 Members48,424 | | 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: Aug 2012 Posts: 1,214 Shop Shark | | Shop Shark Joined: Aug 2012 Posts: 1,214 | Someone may happen along with more info but I'll swag those are capped off SMOG pollution ports. I had a 250 with SMOG control that looked similar. PICDave
Last edited by Volfandt; 11/11/2018 11:00 PM. Reason: added pic
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