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Old 07-13-2009, 10:56 AM
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crankcase evacuation/ventilation

anyone run the kits or make their own instead of having breathers and pcv? i currently have one breather for my fill tube on the intake, no pcv. i have fabbed aluminum valve covers to run and i want to weld in a threaded bung and run a -8an line off each cover down to the collector on each header, and just weld in a pipe on the collector and slip the other end over. anyone have pictures of how they ran theirs? thanks.

and yes, i know what happens with not running a pcv. regardless, i do not plan to run one.

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Old 07-13-2009, 07:05 PM
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i dont run one yet........
but my motor was dynoed with one
all i know is if you buy a kit follow the instructions to a tee!!!!
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Old 07-13-2009, 10:05 PM
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I made mine for my 396 in my 60 Chevy. Got 2 A.I.R. check valves off of a Chevy (people used to give them away - got mine for free). You can buy them.ĪtPage=0
Bought a black pipe nipple at the hardware store (probably about 6" long). Cut it in half and welded them in the collectors at a 45 deg. angle so they extended about half way into the collector and mounted the check valves to them. Bought a set of cheap Chrysler breathers.
Heater hose between the caps and the check valves. I teed one of the hoses and ran a PCV to the intake. Really cheap and worked like a champ.
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Old 02-05-2010, 04:57 PM
ema ema is offline
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I didn't buy one but a friend uses this crankcase vent valve . He said it had improved its engine's has used gas excretions. But I think you can really live without it.
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