Way to measure HP?

[James Montebello]

It would be a lot easier to just log engine speed, then punch in gearing to
get speed over time.  A bit more time with vehicle mass, aero, and you get
pretty accurate HP/torque v. RPM graphs.

james montebello

On Sat, 9 Dec 2000, Daniel Houlton wrote:

> How accurate would it be to measure the output voltage of
> a 0-5v MAF sensor to estimate engine HP output?
> 
> Is HP going to be directly proportional to the airflow into
> the engine?  It seems that it would be.  Logging MAF voltage
> then would give you HP at any given moment, and if you logged
> rpm as well, it could give you both the HP and torque curves.
> 
> You'd likely need to do a dyno run to calibrate the MAF
> readings, but once done, you could do a run on the street or
> highway anytime you want to check results of modifications.
> 
> Do you guys think this would be very accurate?
> 
> thanks
> 
> --Dan
> houlster at inficad.com
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