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Topic Review (Newest First)
12-05-2012 02:12 PM
beertracker Here is a good link to PCV Valve Operation, pages 3-5 in particular.

http://www.autoshop101.com/forms/h63.pdf
12-05-2012 12:23 PM
cobalt327
Quote:
Originally Posted by PKyttin View Post
I have a 62 comet, which we had the engine overhauled on.
I was told we needed a pcv valve... though from my research the pcv valve wasn't introduced til 63....

So do I need to put in a pcv valve? or is it just breathers?
Even if the car didn't originally come w/a PCV system, a properly working system helps a lot more than it hurts. More here (there are a lot of threads on this if you want to do a search): http://www.hotrodders.com/forum/edle...rs-226301.html

Good luck.
12-05-2012 12:02 PM
hcompton not unless you want one or live in CA. just use some breathers.

Now pcv valve is supposed to help in performance a little by keeping the crank case vented correctly.
12-05-2012 11:55 AM
MouseFink The PCV valve was introduced on some engines in 1962, and on all vehicles starting in 1963. All your engine may need is a road draft tube to draw pressurized combustion air from the crankcase. All engines have a certain amount of ring blow-by which pressurizes the crankcase and forces oil vapors out of the breathers. Even too much exhaust back-pressure can cause oil vapors to be forced out of the breathers and can saturate the firewall with oil.
12-05-2012 11:37 AM
PKyttin
PCV Valve??

I have a 62 comet, which we had the engine overhauled on.
I was told we needed a pcv valve... though from my research the pcv valve wasn't introduced til 63....

So do I need to put in a pcv valve? or is it just breathers?

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