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Ok guys,
I have been floating around here for about
a week now. I joined this list to learn how my ECM in my 89 (MAF) Corvette
works. I have an understanding on all the sensors and their functions and
how the ECM uses this data. What I don't understand is how to change spark
maps and fuel maps to fine tune my modified motor. I plan to build a 383
soon with larger injectors and there is not tuner around the Pittsburgh
area.
Questions are:
1. Where can I learn how to change the program in my
prom?
2. I want to know how to lean the injectors at idle
when in open loop. (idles rich now)
4. I want to learn to optimize WOT
AFR.
5. I want to learn to increase idle speed
due to a larger cam.
What I don't have is an understanding if hex values, prom
address and what they mean. Is there a book I can buy that explains
all of this? Is there such a thing that I can buy that will let
me change my prom program via a laptop and my ALDL
connector?
Finally, if I don't have a good understanding of how all
of this works, I don't want to be a burden to the list so maybe I should
quit the list. I can ask alot of questions!!
Jason
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