> What I have read brings me to the concusion that a 4-2-1 header can provide a
> quieter, more responsive, and powerful engine.
> The standard design pairing 1&4 and 2&3 puts the cylinders paired at 180 deg.
> apart for maximum scavenging, aiding what I've been told is poor flow from the
> exhaust port (small and poorly shaped). A couple of websites state that a
> 4-2-1 header can be tuned to give more power than the 4-1 header over the
> entire rpm range.....?
> http://www.burnsstainless.com/TechArticles/Theory/theory.html
> http://www.importtuner.com/tech/0310it_serheaders/ (different split)
> http://performanceweldingheaders.com/triy.htm
> http://performanceweldingheaders.com/headertech.htm
> http://www.popularhotrodding.com/tech/0310phr_burns/
> http://www.thorleyheaders.com/tech_basics_triy.html
Wow, Daryl. Great resources. Except now I have probably 6 more months of
reading to do! Took a quick look at the Burns site, but didn't notice a book
referenced.
Would you mind sharing the title and author?
Thanks,
Ron
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