Peter Firla wrote:
>
> Having done some performance related engine modifications I am considering a
> header to squeeze some more HP out. I once read that the only effective
> headers are those which are harmonically tuned to the exhaust pressure
> waves. If correctly tuned they take advantage of the low pressure areas
> between the high pressure waves to greatly enhance engine breathing. In
> looking at TRF catalogue, I see that the headers listed have the front three
> cylinders flowing together, and the rear three likewise. Given the firing
> sequence of the 2.5L I can't see how such a header design would do much.
> Can anyone enlighten me?
>
> Peter Firla
> 74 TR-6
For an article on headers and exaust systems with information from TR
expert J.K. Jackson check out the "Tech Tips" in the TEMPLE OF TRIUMPH'S
site at http:www.freenet.tlh.fl.us/TEMPLE_OF_TRIUMPH/ or link thru
VTR's site with link under chapters.
|