DFI info

[Bruce Plecan]

-----Original Message-----
From: Charles Brooks <cbrooks1 at mail.tqci.net>
To: diy_efi at efi332.eng.ohio-state.edu <diy_efi at efi332.eng.ohio-state.edu>
Date: Monday, January 18, 1999 10:23 AM
Subject: Re: DFI info

Why SEFI?.  From what I've read other than a slight improvement in idle,
light cruise emissions there doesn't seem to be any real gains with it.
Bruce


>Yeah, that helps. Sounds like a decent system. I saw it advertised
>for 500 bucks and included the ECM and software. I want to use
>a sequential system when I do the TPI swap though.
>
>Thanks again,
>
>Charles Brooks
>
>Randy wrote:
>>
>> 1. replaces the stock ecm, not pin for pin, rewiring is needed.
>> 2. does not use VATS
>> 3. does not control EGR
>> 4. knock retard is not progammable, timing is fully programmable.
>> 5. does not use MAF, can be setup for speed density or alfa-n.
>> 6. will not use Diacom, calmap is its own program, allows you to
>> view or change anything.  No real diagnostics, (codes).
>> 7.ECM alone is about $550 with wires and sensors kit is about
>> $800
>> 8. rev limit via fuel cutoff is programmable.
>> 9. timing, fuel, idle speed, enrichment (TPS and MAP), cold
>> enrich (aka choke), NOS control, fan on temp, these are all fully
>> programmable.
>> 10. NOS control can be used for TH400 kickdown, I did
>> this on my '77 truck. set by RPM and TPS %
>> 11. TCC is controled only by RPM and MAP has no speed input.
>>
>> If you need to pass some sort of emmission test on the EGR this
>> system is not reccomended by me.
>> Both of my systems are the older spark/fuel management ECM's,
>> Accel does have a newer ECM that can do SFI. over a grand as I
>> recall.
>> Accel does make a piggyback system, I know nothing about that
>> one.
>>
>> I hope this helps, any more questions?
>>
>