DFI, Batch Fire, and other myths
Charles Brooks
cbrooks1 at mail.tqci.net
Wed Jan 20 01:13:48 GMT 1999
O.K. so the consensus seems to be that the improvement over
batch fire systems that is seen with a SEFI system is negligible.
So, how does the batch fire system operate with 8 injectors?
does it fire 1/8th of the fuel every 1/8th of the combustion
cycle? (I don't think it does :) I just don't know what it does
do.
I had assumed that batch fire meant firing all injectors at the
same time... And that SEFI fired a single injector when that
injectors' intake valve opened...
Does the batch fire only fire 2 at a time? 4?
I think what I'm going to do is buy the FIS PROM for the TPI
setup and dump it to study. After I buy a programmable system
I'll have the FIS PROM image to start with and fall back on in
the event I goof something up. Does that sound like a reasonable
line of pursuit, or a cop out?! LoL!
Charles Brooks
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