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Re: Header size

To: Skip Higginbotham <saltrat@pro-blend.com>
Subject: Re: Header size
From: Dave Dahlgren <ddahlgren@snet.net>
Date: Sat, 19 Apr 2003 14:26:48 -0400
No problem, anytime as a matter of fact i have absolutely nothing else to do..
Dave

Skip Higginbotham wrote:
> 
> Thank you for your opinion.
> Skip
> 
> At 01:34 PM 4/19/03 -0400, Dave Dahlgren wrote:
> >What would you base this on?? Do you mean short or small diameter. If short
> >then
> >yes if small diameter then I have no clue what you are basing it on. 
>Generally
> >modest diameter and long makes a very broad torque cure and short large pipes
> >the opposite. The 350 in question will not make over 440 hp on it's best day
> >with the heads that are there. A 1 3/4 is good for an easy 550 hp and no
> >nitrous. 31 inches ought to tune for a 4000 to 6000 rpm range. At least
> that is
> >what the few hundred or so pulls on the dyno have indicated.. The 3 1/2
> >collector is on the big side as well to boot. Putting big pipes on a small
> >engine will only slow it down and just become 'ductwork' to get the
> exhaust out
> >of the engine bay as opposed to doing some real worth while work.
> >Dave
> >
> >Higginbotham Land Speed Racing wrote:
> >>
> >> Hi Dick,
> >> Small headers can make peaky torque curves.......maybe more peak power but
> >> not as flexible for the "long pull".

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