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 Post Posted: Mon Aug 27, 2012 2:32 pm 
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Joined: Tue Apr 01, 2008 10:56 pm
Posts: 110
Location: Kilgore Tx [North East Tx]
with our 496 we are running Fab Shop merge headers. The specs:
*2 1/8" primary
*2 1/4" step
*merge collector
*3 1/4 at merge point
*3 7/8 at opening
*overall collector length 12"
*from tubes to collector merge 6"

How does this compare to what some of y'all are running? I am considering experimenting with a conventional, [non-merge] collector. Let me hear your thoughts.

Also, this engine makes about 780 or so horsepower and the operating range is about 6200 - 7500 RPM

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Larry Woodfin, builder of Kinetic Art.


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 Post Posted: Mon Aug 27, 2012 4:34 pm 
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Joined: Wed Apr 19, 2006 8:20 pm
Posts: 5852
Location: N.J.
Larry I think the only "real" way to see the difference is to ether 1-track test them or dyno test them..
I would prefer to track test them as we don't race on the dyno but if your going there I would do a back to back test with them for the heck of it...

I have a set of "fab shop headers" on my Beretta and they do look like no other headers. Very nice smooth bends and real nice welds with less pieces of tubing welded together..RIP Tim.....

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running E85
Best ET 8.07
Best MPH 170.71
Barry


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 Post Posted: Mon Aug 27, 2012 4:37 pm 
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Joined: Tue Apr 01, 2008 10:56 pm
Posts: 110
Location: Kilgore Tx [North East Tx]
Yes, they are very quality workmanship. Very neat apperance.

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Larry Woodfin, builder of Kinetic Art.


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 Post Posted: Tue Sep 04, 2012 10:05 pm 
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Joined: Wed Jan 12, 2011 1:28 am
Posts: 140
Location: N.W.
So what did you do on the camshaft selection?


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