valley pans on a 440

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OiiiiiiO

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i had a 440 built and the valley pan is two piece. I suspect there's a vacuum leak. installed a aroespace vacuum pump and it doesn't appear to be working. I use eddy performer heads. is there a one piece pan that might cure my ills?? thanks
 
I've used the two piece pans. Unless it is under your intake, I don't think that is your problem. Are you using paper gaskets on the intake? Test fit the intake on the heads. It may be that the heads are cut or intake and that is your leak.
 
i had a 440 built and the valley pan is two piece. I suspect there's a vacuum leak. installed a aroespace vacuum pump and it doesn't appear to be working. I use eddy performer heads. is there a one piece pan that might cure my ills?? thanks

I built billet valley pans. The AR182A with the AR392 batwing gasket holders would work for that application. I designed them for Trick Flow heads but they'll work with the Edelbrock heads as long as you are using a single plane intake.

Valley Plates | AR Engineering
 
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