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Re: [T3] Tuned headers


On 7 Jan 2004 at 0:09, phillip bradfield -- volkshaus wrote:

> Hey all. Just wondering how much of a difference a tuned header will make on
> an engine. By tuned, I mean a header that has equal length tubes from each
> exhaust port to the collector. This compared to a header that has unequal in
> length tubes.

Ths Bill Fisher book covers this rather well. I think he claims 10-15%. This 
should be balanced against the downside of imperfect fit and ground clearance 
problems. Note also that there are differences in length between different 
brands of OEM exhausts.  

-- 
Jim Adney
jadney@vwtype3.org
Madison, WI 53711-3054
USA

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