[Diy_efi] Basic exhaust KE question

Greg Hermann bearbvd at mindspring.com
Thu Oct 10 20:56:15 GMT 2002


> The question (and concern obviously) is the negative effect of this
>added segment length.  We know it is going to hurt efficiency, but were
>not sure not the potential severity. We thought by keeping the collector
>smaller than usual and uniform all the way to the turbo and wrapping the
>segment with ThermalTec (or equiv), the effect would be minimized, thus
>preserving as much as possible the kinetic energy of the exhaust.  (The 6
>ft segment is perfectly straight; no bends.)

Conserving the  exhaust TEMPERATURE is far more critical to turbine
performance than the kinetic energy (velocity).

Greg
>
>Marc J. Reviel



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