89 TPI questions

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Sep 3, 2002 | 12:04 AM
  #1  
OK, I bought all the goodies and jumped into burning my own chips. So far so good, but I have a couple of questions to make sure I'm going about this the right way. First of all, heres what I'm using: Diacom, Pocket Programmer 2, AT29C256 chips, WinBin v14, 6ev009.ecu., ARAP.bin. I've played with the injector constants to get the BLM's plus or minus a couple points from 128. I've got the fans coming on and off when I want them to, and it idles where I want. I've only altered the main spark advance table in the highest (208) LV8 column to get the car to go WOT without spark knock. What I'm trying to do now is to get enough fuel without having to rely on the fuel management unit cranking up the fuel pressure while under boost. Am I adjusting the right spot by raising the "Power Enrichment vs. RPM" value? Or is the "Acceleration Enrichment Factor vs. Change in LV8" the place I should be looking at? Also, what exactly is the "Accel. Enrich %BPW Factor vs. Async Pulse" array? And finally, do I need to play around in the "Maximum Air Flow vs. RPM" array? Sorry about the long post, but I need some clarification on this before I go about things completely *** backwards.
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Sep 3, 2002 | 08:37 AM
  #2  
Re: 89 TPI questions
Quote:
Originally posted by Boxeat2469
What I'm trying to do now is to get enough fuel without having to rely on the fuel management unit cranking up the fuel pressure while under boost. Am I adjusting the right spot by raising the "Power Enrichment vs. RPM" value? Or is the "Acceleration Enrichment Factor vs. Change in LV8" the place I should be looking at? Also, what exactly is the "Accel. Enrich %BPW Factor vs. Async Pulse" array? And finally, do I need to play around in the "Maximum Air Flow vs. RPM" array? Sorry about the long post, but I need some clarification on this before I go about things completely *** backwards.
PE vs RPM is a fuel adder by rpm when in PE, so yes you want to *** WOT fuel there.

AE is you Acclerator pump. There are several terms, one for coolant temp, and for inital shot, and then lenght.

Max Air flow, careful there are two, one is max airflow, and the other is a default value for soft failure mode. If the engine hits a WALL at the lower rpm, you may be hitting it, generally even with a blower if any changes they are minor. I set the failure mode stuff kind of high so that if the MAF dies, on my car it goes pig rich. But that's because I'm at 25+ PSI, at times.
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Sep 3, 2002 | 10:27 AM
  #3  
Thanks for the reply Grumpy. Its good to know I was on the right track.
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