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Re: 440 whines at idle [Re: shaker340] #2525994 07/23/18 07:06 PM 07/23/18 07:06 PM
Joined: Jan 2003 Posts: 1,643 PA 7 70Duster top fuel
70Duster top fuel 7 Joined: Jan 2003 Posts: 1,643 PA	Do you have PCV on one valve cover and a breather on the other? If not, add a breather to the other valve cover. I had a 360 do that one time and the issue was excess crankcase pressure trying to escape. Added a breather and it solved the mystery.

Re: 440 whines at idle [Re: shaker340] #2530570 08/02/18 05:40 PM 08/02/18 05:40 PM
Joined: Aug 2004 Posts: 425 Eastern Ontario shaker340 OP mopar
shaker340 OP mopar Joined: Aug 2004 Posts: 425 Eastern Ontario	Yes i have pcv on one valve cover and breather on the other. Did the wd40 and no change, i changed the gaskets between spacer and manifold and spacer to carb. No change either....its def motor speed related. 2008 Challenger SRT8 1940 Chrysler Royal coupe

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