1967 Camaro 327/210 pcv or breather cap? - Team Camaro Tech
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post #1 of 7 (permalink) Old Jan 10th, 05, 06:46 PM Thread Starter
 
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hello,
i'm not an engine man so i need help. i have a 327/210 with chrome valve covers that have a hole for the pcv valve or hose only on ones side and there was no oil cap at all in the other. so i don't know if it is correct to have the pcv valve or the breather cap. i have been told by some that it doesn't need both, told by others to put in the pcv valve and another said to put in the breather cap only. looking for a more qualified person to help me as i don't know and i don't think these guys know either. i don't race it, i just want whats correct and best for the engine. it is an original ME california engine with the new valve covers. Thanks for any help you can give.
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post #2 of 7 (permalink) Old Jan 10th, 05, 07:15 PM
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Brandon
 
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go with the pcv. I went the other way, but the motor isnt stock either.

Brandon J. licence 1NASTY67

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post #3 of 7 (permalink) Old Jan 11th, 05, 05:52 AM
 
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I say go with both the pvc and the breather. A cap is just that -a cap. The breather with rubber grommet serves the same purpose and looks better.
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post #4 of 7 (permalink) Old Jan 11th, 05, 07:53 AM
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The original 327 in my Camaro had the PCV if that helps.
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post #5 of 7 (permalink) Old Jan 11th, 05, 01:03 PM
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Jim
 
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There is a really long detailed discussion on crankcase ventilation here https://www.camaros.net/forum/ultimat...ic/24/191.html
Basically, breathers / pcv system give the stuff that passes your erings somewhere to go, hopefully without making a mess.

Breathers vent to the air, and sometimes drip oil all over your valve covers. pcv sucks the garbage back thru the engine, unless there's too much of it and it gets all over your valve covers anyway.

if there's holes in your valve cover, put something in em. I think '67's still had a road draft tube... well nevermind, read that link, it's all in there. You need at least one breather, preferably with a pcv valve on the other side.





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post #6 of 7 (permalink) Old Jan 11th, 05, 01:05 PM
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oh yea, almost forgot, Welcome to Team Camaro!
(at least you're not thowing belts doing donuts in a '96...hehe)





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post #7 of 7 (permalink) Old Jan 11th, 05, 06:06 PM Thread Starter
 
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thanks for all the help everyone! i think i will use the pcv valve for sure and try it with and without a vented cap.
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