Speed Density SFI -possible?

orlin steven jared orlin-s at rclsgi
Mon Apr 15 22:28:28 GMT 1996


> Several aftermarket efi systems do sequential + speed density.
> The ones I know of are:
> Autronic
> DFI
> Electomotive (the only one I know of that does MAF)
> Motec
> and I am sure, others.
> 
> As for speed density tuneability, as long as the engine pulls 
> decent vacuum, you should be ok. The more peaks and
> valleys in it's volumetric efficiency the more resolution you 
> will need in your tables. I think Electomotive is the most limited
> while Autronic and Motec are the best in this respect.


Great.  I'll have to write to them and see what they offer.  What
do you consider 'decent' vacuum?  

Also, what is usually tuneable with these systems?  spark map, injector
timing, opening time, etc. ?  I'm a real novice :-)



Steve



More information about the Diy_efi mailing list