RE: 318 Poly manifold and carb

["Westerlund, Ken" <kwesterlund@xxxxxxxxxx>]

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Earl,

Would it have the velocity if it were stroked to a 400 CID?
I would hate to go back to the HEAVY cast iron stock manifold.

...and I've said it before and I'll say it again.  The factory iron dual
quad manifold has the SAME single plane design as the Weiand (I have put
them side by side) and no one has said that one has a velocity problem.
In fact Ma Mopar must have thought is was good since they put it on
their cars.  It looks to me like Weiand just turned the factory dual
quad into an aluminum single 4 barrel.  

I know my 318 really starts to pull when the RPMs come up, but I think
that is also a function of the cam.  

Does anyone have any hard data on the manifolds?  

Regards,
Ken

-----Original Message-----
From: Earl Helm [mailto:earlh@xxxxxxxxxxxxxx] 
Sent: Thursday, November 18, 2004 2:11 PM
To: 1962to1965mopars@xxxxxxxxxx
Subject: RE: 318 Poly manifold and carb

Yep, a little better, but not much.... I just don't think that
Polys have the velocity for a single plane. 



Earl, have you tried a 4 hole spacer on the Weiand?  This often picks up
a 
little low end by making the runners a bit longer and improves signal to
the 
carb.  The taller the better.  Just a thought....Joe

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