Using OEM (GM) ECM

[Shannen Durphey]

Mark Romans wrote:

> Tom,
>
> Standard Master Tune allows you to reset fuel cutoff mph and resume mph,
> same for rpm.  2 cooling fans (If originally so equipped). VATS enable
> or disable. VATS diagnostic, Knock diagnostic, vehicle speed
> diagnostic(That's page one).
> WOT spark map. (In my case rpm's on one side and gm/sec from maf on
> other)
> Max knock retard in WOT (Based on signal from knock sensor).
> WOT %chg to afr vs rpm
> WOT %TPS to enable WOT vs rpm  (% throttle to go to open loop)
> WOT %chg to AFR vs coolant temp
> open loop afr %chg vs coolant temp
> open loop AFR %chg vs load value (grams/sec)
>
> It will work on any 165 ecm.  87-88 f,y bodies.  MT pro ads a bunch more
> things that can be modified, you can calibrate your maf sensor, reset
> idle speed, modify(I understand operation of the egr)  turn off codes,
> like when you put headers on the negative back pressure egr will turn on
> the check engine light, you can kill that. I don't know what else is
> available with the pro series.  But the PRO (Which I don't have) will
> allow you to do 87-93 f&y bodies, and 85-95 trucks.  The pro series is
> $2500.00 and the single application is $295.00.   I have just the single
> application.    Mark.

  I've been trying to save up my pennies for Mastertune Pro for about 15 mos
now.  Very difficult to do.  Are there ten guys out there with $250 each
who'd be willing to pitch in?