Miata Mailing List: February 1999, Message #160

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Once upon a time William Meyer wrote
> 
> pulled, I have JR Cold Air, headers, JR Hi Flow cat and JR sport muffler,
> 160 degree thermostat and 14 degrees timing.  I did 3 pulls and never got
> past 109 HP at 6000 rpm.  Now, taking into account parasitic losses of

Sounds about right, maybe a few HP low, but each car is different as
are test conditions.

> exact motor mods and achieved different results?  Should I be pulling
> well into the 6000 rpm range?  Oh, by the way, I used both Spitfire and

Did you mean you stopped the test at 6K? If so, that would account for
the couple extra HP you should likely be seeing. My car (similar mods)
peaks at just under 6.5Krpm.

Similar runs for my car, except that it is a 1.6, at 
http://www.virkki.com/jyri/miata/jyri_dyno.html



-- 
Jyri J. Virkki - Santa Cruz, CA - Linux: The Choice of a GNU Generation