Aftermarket EFI systems question

[Scott Schaaf]

Roger Heflin wrote:
> 
> >
> >
> > The closed loop wot feature of the FelPro is its biggest advantange and
> > it pretty important because it basically does that all important tuning
> > into lean best torque point easily. With all the others you need a method
> > of measuring a/f so you have feedback info so that you can enter new
> > best guesses into the 3Dfuel map. As you have noticed from all the
> > discussions in this group, a truely inexpensive a/f meter is not
> > available yet. The Bailey at about $1K is a choice. Tuning with std O2
> > sensor gives you direction but NO hard info on whether a/f is eg: 12.3 or
> > 13.4 a/f. The FelPro has the widerange meter built in for not a whole lot
> > more money tha a widerange a/f meter. Haaving that feedback a/f #'s is
> > priceless and allows quick honing into lean best torque. Engines will run
> > OK over a very wide range of a/f:eg: 10-14 a/f but the difference in
> > response between a fat a/f and a proper tuning in at lean best torque
> > is like adding a cylinder or so.
> > Hope above helps.
> >
> > Regards,
> >
> > Frank Parker
> >
> >
> Frank,
> 
> Do you happen to know anyone that carries the fel-pro system, or
> where to get more information on it.  With the std 02 sensors my
> plan was going to be to first get the fuel curve level (same O2
> voltage) and adjust the level until I appear to get the best HP,
> life would be much simpler with a system that would get the fuel
> curve level by itself, then just figure out exactly where the
> best a/f ratio is (I know somewhere around 12.5 for power, 14.5 for
> mileage).  Thanks for any help
> 
>                         Roger

Jeg's Performance, here in Ohio carries the Accel DFI system, usually
for around $1G for the computer, harness, O2 sensor, TPS, and software
and programming cable.   The s/w is simple enough to run on a '286
laptop.

				Scott...

P.S.    Jegs =  1-800-345-4545