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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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| | | | Joined: Dec 2010 Posts: 24 Wrench Fetcher | | Wrench Fetcher Joined: Dec 2010 Posts: 24 | I recently came across a complete RPO pcv system off of a '53 2 ton 216. I'm thinking about putting it on my '60 235 that's in my '52 3600. My question is; is it of any advantage or any better than the standard set-up using just the road draft tube? Thanx.
Terry
PS Can someone tell me how to post pictures on this site?
Last edited by jacksont; 03/23/2011 6:44 AM.
'52 Chevy 3600
'03 Chevy 2500HD
'64 Pontiac Grand Prix
'93 Jeep Wrangler
| | | | | Joined: Feb 2004 Posts: 29,758 Kettle Custodian (pot stirrer) | | Kettle Custodian (pot stirrer) Joined: Feb 2004 Posts: 29,758 | A PCV system ventilates the crankcase at all engine speeds, including idle. The road draft tube only works at speeds above 30 MPH or so because it's necessary to create low air pressure around the bottom of the road draft tube to draw air from the crankcase. If the air inlet for the PCV system comes from the "clean" side of the air filter, engine life is increased noticeably because less dust and dirt is drawn into the crankcase by the incoming ventilation air. That was accomplished on engines with vent slots in the valve cover by welding up the slots and providing ventilating air through a vented, filtered oil fill cap or a tube to the air cleaner from the valve cover.
Jerry
"It is better to be silent and be thought a fool than to speak and eliminate all doubt!" - Abraham Lincoln
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| | | | | Joined: Sep 2006 Posts: 2,393 Shop Shark | | Shop Shark Joined: Sep 2006 Posts: 2,393 | That's a good find. To post pics you need a host site like Photobucket,etc. This will help too. http://www.stovebolt.com/forum/manual/pictures.html
Last edited by DrewP; 03/23/2011 3:19 PM.
Drew
| | | | | Joined: Mar 2008 Posts: 1,775 'Bolter | | 'Bolter Joined: Mar 2008 Posts: 1,775 | There's an in depth article in last month's Vintage Truck that goes in to detail on the PCV system in the stovebolts. | | |
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