Re: Apexi Fuel Computer

From: Bernd D. Ratsch (bernd@texas.net)
Date: Fri Jul 21 2000 - 16:29:49 EDT


That's the reason why I don't want to go that route.

For the "average" user, that type of a setup isn't feasible and doesn't
really apply to everyday street usage.

- Bernd

----- Original Message -----
From: <Ptturbo@aol.com>
To: <dakota-truck@buffnet.net>
Sent: Friday, July 21, 2000 3:21 PM
Subject: Re: DML: Apexi Fuel Computer

>
> > The Super AFC from Apexi allows for custom Fuel curves on the fly
without
> > any modifications to the existing system at all. I'm also not looking
to
> > replace the MPI system so the DFI boxes are out of the question.
>
> You can keep your existing system, and machine the intake for
> a second set of injectors. The TEC-II software allows tuning on the
> fly. I was doing last night on a 402 BB chebbie. You can apply
> changes on the fly, then watch inputs to see if you achieve the desired
> results. You can set it up as a separate system, with its own
> dedicated MAP & O2 sensors. You can then tap into the dissy or coil
> pulses with a resistor & transistor to produce an RPM signal, then
> zero out the fuel until positive manifold pressure is detected.
> >From their, apply injector pulse accordingly, based on MAP & RPM
> inputs..
> With a 2 bar sensor, you can meter up to 15 psi , with a 3
> bar sensor, you can program for up to 30 PSI of boost<grin>..
> I have used both with great success.. (25 psi & no eploded engine).
> Bothe sensors use a 0-5v feedback. True it is not a plug-n-play,
> but with a good laptop for tuning, it is very doable. MAP systems
> are great when it comes to boosted applications.
> Mike V
>



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