MAF & base fuel tables

Ward wspoonemore at excite.com
Tue Jun 22 19:20:07 GMT 1999


Probelbly a very good objective, but you will need to generate new tables
since the flow values are different.
Ward

On Mon, 21 Jun 1999 18:51:11 -0400, Jon Fedock wrote:

> 
> -----Original Message-----
> From: Knowlden and/or Eller <ke at clark.net>
> To: gmecm at efi332.eng.ohio-state.edu <gmecm at efi332.eng.ohio-state.edu>
> Date: Sunday, June 20, 1999 6:29 PM
> Subject: MAF & base fuel tables
> 
> 
> >Bruce, thanks again for the acyc.bin from your '87 IROC. I have become
VERY
> >fluent in promedit. What I have discovered is that my memcal apyp (89
> vette)
> >has no base fuel table. Really, I am sure (as sure as a novice can be).
I
> >would like to know what type of MAF your IROC has. My vette has a Bosch
> >analog hot wire (more voltage output more air)but gm has there own, Delco
I
> >& II, and they have used a Hitachi. Both the Delco and the Hitachi have
a
> >frequency output (the higher the frequency, greater the count, the more
> >air). The '86 disassembly from ecmguy (what a godsend) would accommodate
a
> >frequency based MAF (although the MAf tables appear to be in volts!?). I
am
> 
> 
> I have asked this question before - I was going to try using a new-style
> "high flow" MAF (they are frequency type). But, as with ALOT of other
> projects, I have  put it on the back burner. If you find out about using
a
> frequency-type in an analog setup, PLEASE let me know. I suspect that all
> you have to do is change the bit at 014, but very seldom is anything that
> simple......Good Luck
> Jon Fedock
> 
> 





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