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Click on image for the lowdown. 
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| | | Forums66 Topics128,049 Posts1,055,695 Members48,426 | | 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: Jul 2000 Posts: 2,189 Insomniac | | Insomniac Joined: Jul 2000 Posts: 2,189 | Not sure, but looking at the pictures, it looks like you may have 2 PCV valves. The original one (that has the rubber hose to the manifold vacuum) plus the one on the oil filler cap.
Gord 🇨🇦
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1954 1/2 ton 235 4 speed
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