Mileage with a Motor Home

[Joe Boucher]

There's a software package called Home Dyno for $40 bucks that does this.

Or did you know that.

Joe Boucher
'70 RS/SS Camaro  '81 TBI Suburban


>
>
> I am thinking of using a two-part method.  The first part will be easier
> if I can find a way to send the speedometer pulses from my cruise control
> into the Holley ECU, and have them recorded with the HONDO (on-board data
> gathering) program.  First, I'll go to a truck weigh station and get the
> Jeep weighed.  Then, I'll accelerate to 80 or 90, put the transmission in
> neutral, and record my speed as the friction slows the vehicle down.  If
> I make several runs in opposite directions, I'll be able to get a good
> curve of friction vs. speed
>
> The next step is to record acceleration at WOT.  I'll do that a few times
> in opposite directions.  After a few calculations, I'll have a good
> torque curve, corrected for transmission/t-case drag and torque converter
> slippage and torque multiplication.
>