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01-27-2017, 01:01 PM
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#1 |
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Registered User
Join Date: Apr 2016
Location: San Diego California
Posts: 31
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pcv valve
i have a 72' c20 with a stock 69' 5.7 350 in it... im trying to find the correct pcv valve.. right now the one im using is stamped 52.. what are you guys using? my timing is set at 10 btdc, all in at 34 at 3000 rpm... vac is at 21hg at 700 rmp idle.. thanks for your time and input...
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01-27-2017, 02:47 PM
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#2 |
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Registered User
Join Date: Nov 2016
Location: Albuquerque, NM
Posts: 110
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Re: pcv valve
There is an adjustable PCV valve available, but it costs over $100. You might try running the PCV valve from a high performance car (maybe a Corvette?) of similar vintage. It would certainly be cheaper.
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01-27-2017, 10:59 PM
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#3 |
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Registered User
Join Date: Apr 2016
Location: San Diego California
Posts: 31
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Re: pcv valve
thanks for the reply.
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01-27-2017, 11:11 PM
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#4 |
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Registered User
Join Date: Aug 2009
Location: Bowser
Posts: 13,731
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Re: pcv valve
There's a test here to determine if yours is adequate.
http://www.hotrodders.com/forum/pcv-...on-434178.html |
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01-27-2017, 11:38 PM
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#5 |
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Registered User
Join Date: Apr 2016
Location: San Diego California
Posts: 31
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Re: pcv valve
Awesome! Thank you very very much, thats exactly what i was looking for! been researching pcv valves and this is by far the best info! much appreciated
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01-28-2017, 10:29 AM
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#6 |
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The Niner
 
Join Date: Nov 2010
Location: Broad Brook, CT
Posts: 2,499
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Re: pcv valve
I got this one and took the 90 degree boot off my old one.
https://www.amazon.com/Fram-FV181-Po...ype=automotive
__________________
"A good racer is one whose head is in communication with his balls." - Richie Evans 1970 C/20 - 402/TH400/3.54s - 74K miles 2003 GMC Sierra 2500 - Wheatland Yellow Niner Progression Thread: http://67-72chevytrucks.com/vboard/s...d.php?t=697183 Classic Trucks article: https://www.motortrend.com/features/...et-c20-driven/ |
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01-28-2017, 01:12 PM
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#7 |
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Registered User
Join Date: Apr 2016
Location: San Diego California
Posts: 31
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Re: pcv valve
thanks🖒
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