[Diy_efi] Importance of TPS with lightweight cars

[Shannen Durphey]

Ne14RoxCJ at aol.com wrote:
> 
> In a message dated 1/13/03 5:44:53 AM Central Standard Time,
> shannen at grolen.com writes:
> 
> A fuel map can be made that is leaner than stoich during low load
> conditions, and leaner than best power under acceleration.  This can be
> combined with a spark map that is less aggressive during non PE
> operation.   PE can be adjusted to provide maximum acceleration.  PE
> enable parameters can be adjusted to suit your tastes from there.
> 
> <snip>
> 
> I must not quite understand something. I was under the impression that in
> closed-loop cruise, the INT and BLM adjust to stioch (14.7:1 in my '747 cal).
> How can a fuel map be made to run leaner than stoich? My table is leaned out
> a bit, but the BLM just goes to 137/138 and stays there. Is this all through
> "hi-way mode" settings?
> 
> Beau
The fuel map is what the BLM's are adjusting.  If your blm's go to 138,
then the fuel map is lean.
But you're talking closed loop operation, anyway.  Why do you need to
run closed loop?

Shannen

> 
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