RE: 440 Headers

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

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Hi Earl,
I am using a Comp Cams Extreme Energy XE262H cam and springs with
218/224 duration @ .050 lift.  Lift is .462 intake and .470 exhaust, 110
lobe separation angle.  Stock (for 1972) compression with a 4V Holley
and stock port matched manifold.  Dual exhaust and 3.23 8/3/4 with
SureGrip.  I also have an Eddlebrock Performer RPM manifold that I may
install (or may save for the next project).  The transmission has a
TransGo shift kit, 4.2 lever, and just slightly higher than stock stall
converter.  

If I use the stock manifolds look like I will have to start off with 2"
pipe then go to 2.25" or 2.5" pipe and get the local muffler shop to do
it (about $400 they say).  If I use headers I may be able to use 2.5 all
the way and fabricate most of the exhaust myself by using the H-pipe kit
from Summit and 50-series Flowmasters.    

Regards,
Ken   

-----Original Message-----
From: Earl Helm [mailto:earlh@xxxxxxxxxxxxxx] 
Sent: Thursday, September 30, 2004 11:14 AM
To: 1962to1965mopars@xxxxxxxxxx
Subject: RE: 440 Headers


Ken,

What does mildly warmed over mean? That info would be helpful in
answering your
question.

Earl

--

Need help/opinions on 440 headers.
I bought Hooker headers for my mildly warmed over 440 and before I
install them I need some advice/opinions.  
What type of performance gain can I expect over using regular non-HP
cast iron exhaust manifolds with dual exhaust?  Is it going to be worth
the trouble of installing them?  I don't mind the work if it's worth it
(I know worth is subjective).

For those who have installed them, was it worth it?

Thanks,
Ken

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