racepar1

I am considering putting an auto ECU on my m/t KAde because I have heard that there are some benefits. I have HEARD:
1. the auto ECU has a higher rev limit (whoopity doo)
2. it has no speed limiter (def bonus)
3. it has slightly different fuel/timing curves which gives it a bit more power
My questions are:
1. Is all or even any of this true?
2. Does anyone have dyno numbers with both ecu's if it is true?
3. Will I have to screw with the wiring a bit to make it work and if so what do I have to do?
4. Is there any difference in the performance of the different years of ecu's?
I have done some searching and I cannot find any info on these questions. Your help would be greatly appreciated, thanks.

rhs13

all i know is that the automatic ecu got rid of the speed governor in my car (single cam). i can have the speedo needle pegged against the bottom of the guage cluster.

i cant confirm anything else.

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racepar1

Thanks, I was 99% certain that it would get rid of the governor. Anyone else? I know there are TONS of cheap asses like me that have done this or at least researched it.

nissandr1ft

I've been running an auto ECU for a while now, and never noticed any more power. I did notice that the speed limiter is gone, itll rev a little past 7 if you want to, and the idle never dips when you push in the clutch.

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50/50

I found this with a little information on the subject that I hope helps you out. Hopefully someone can backup or refute the information;

http://www.zilvia.net/f/showthread.p...light=auto+ecu

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koukimonster139

yea ive heard using the wrong ecu is super beneficial.....


im actually going to have an incorrect tune done on my ecu so my car goes faster

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projectRDM

Speed limiter removal is the ONLY gain, there's nothing else different between the two.

As for fitment, any 91-94 will cross over. 95 and 96 can swap, and you can use a 97-98 if you repin three wires. All these will throw a CEL of course.

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98koukile

When I left my auto in it idled like crap with a manual trans but I think thats cuz I didnt wire in my neutral sensor... just get a tuned ECU if you wanna be safe and have no gov

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projectRDM

Neutral switch doesn't matter, it's simply to tell the ECU gear position. I never had one on my last car when I rewired it, the new one used to be auto and doesn't have it either.

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