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Mod | | | Forums66 Topics128,064 Posts1,055,860 Members48,428 | | 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: Jun 2021 Posts: 13 'Bolter | | 'Bolter Joined: Jun 2021 Posts: 13 | I installed a PCV valve on my 1957 235 on top of the draft tube and routed the tubing over to where the wiper connection normally is on the intake manifold. Since this engine will operate in a dusty environment, being installed in a forklift, I wanted to do something better than the breather oil fill cap for air intake to the crankcase. I’m also installing a 14” diameter by 2.5” tall modern air cleaner in place of the old oil bath filter. I’m planning on offsetting the 14” air cleaner such that it resides over the carburetor and cantilevered over the valve cover. A brace would be a 3/8 NTP tube that would connect and provide an air path from the valve cover to the air cleaner. My question is would the amount of vacuum within the air cleaner be small enough compared to the intake manifold vacuum such that they don’t cancel each other out and make the PCV valve ineffective?
Any words of wisdom would be appreciated.
Thanks, Paul | | |
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