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Re: Header size

To: Dave Dahlgren <ddahlgren@snet.net>
Subject: Re: Header size
From: Skip Higginbotham <saltrat@pro-blend.com>
Date: Sat, 19 Apr 2003 13:03:34 -0500
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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