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02-14-2024, 10:29 PM
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#1 |
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Registered User
Join Date: Jan 2014
Location: glasgow ky
Posts: 4
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PCV problem!
I know this has been beat to death but I’m having problems! Trying to build a clean motor. I have relocated oil fill tube to rear of intake and PCV to rear of v/c it has a baffle on inside. My problem is oil is trying to push out oil fill tube. Also does anyone know anything about breathers and oil fill in top rear of v/c?
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02-14-2024, 10:31 PM
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#2 |
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Registered User
Join Date: Jan 2014
Location: glasgow ky
Posts: 4
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Re: PCV problem!
These are pics of my set up
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02-14-2024, 10:33 PM
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#3 |
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Registered User
Join Date: Jan 2014
Location: glasgow ky
Posts: 4
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Re: PCV problem!
Also interested in info on this setup.
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02-15-2024, 09:25 AM
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#4 |
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Registered User
Join Date: Dec 1999
Location: Austin, TX, USA
Posts: 7,723
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Re: PCV problem!
You may want to search over on the Corvette forum. I’ve seen this discussion over there much more than here, the C!-C2 section. Lots of guys want to run the early Corvette script valve covers but use a late model black without draft tube provisions so there are more solutions.
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44 Willys MB 52 M38A1 64 Corvette Coupe 68 Camaro 'vert LT1 & TH700 69 Z/28 355 12.6's @110 69 Chevy Short Step 4 1/2"/7" drop 72 Jimmy 4WD 4spd 4" & 35's 02 GMC 2500HD 4x4 Duramax |
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02-15-2024, 09:33 AM
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#5 |
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Registered User
 
Join Date: Feb 2000
Location: Maquoketa, Ia/ Orr, Mn
Posts: 3,044
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Re: PCV problem!
I suspect that the downward angle and bend in the PCV hose by the transmission dipstick is creating a p-trap allowing oil mist and condensate to pool and restrict the vapor/fumes from the crank case to be sucked into the intake and then the pressure is pushing out the breather. Not sure what the baffle in the valve cover looks like either or if that could be restrictive too. Also, can the pcv valve operate properly on its side?
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'51 South Bend Model "9A" '56 Chevy 3600 NAPCO '74 Chevy Cheyenne Super K20-restored on 37's '72 GMC Sierra Custom K2500- in progress '08 GMC Envoy Denali '12 GMC Sierra 2500HD Denali '17 GMC Yukon XL VCCA member #58596 http://www.nohrco.com |
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02-15-2024, 01:16 PM
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#6 |
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Registered User
Join Date: Jul 2008
Location: Eastern Oregon
Posts: 2,382
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Re: PCV problem!
I like the look but not sure that it would work better than what GM engineered ? That double snout air cleaner is amazing !
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71 C-20 07 Magnum RT AWD |
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02-15-2024, 01:23 PM
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#7 |
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Senior Member
Join Date: Oct 2020
Location: Kathleen, GA
Posts: 644
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Re: PCV problem!
I think that the way the PCV Valve has been relocated, it is defeating the functionality a little. While the relocation of the PCV makes for a clean look, but it may be contributing to your problem.
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