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ECU Power Differences?? 

 

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 Post subject: ECU Power Differences??
Posted: Mon Oct 17, 2005 12:01 am 
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hey guyz

i picked up a EA T5, inc a Manual EA MPFI ECU, (3.9L), i was wondering, if there would be power differences between that ECU and a EBII Manual ECU (4.0L)

remmeber the EA MPFI engines were 139KW and the EBII's 4.0L's were 148, i currently have a EBII Auto Ecu, so programmed for 4.0l so to speak, but if i put in a EA MPFI ecu, will my engine have a loss of power at all? wont rev as hard or something? differnt air fuel mixtures??

thanks!

 

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Posted: Mon Oct 17, 2005 8:37 am 
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The only thing I can think of is displacement, which is a variable in the required fuel, but although with such a little difference I don't see it making any big differences either...

So, I would just stick it in, see if it starts, if so go for a drive, and see how it feels. You are right about the power differences in the EA-EBII models..And it would also probably come down to the head, exhaust, and cam. (And compression IIRC).


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Posted: Mon Oct 17, 2005 10:29 pm 
Getting Side Ways
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thanx justfordima, ill give it a go, but if anyone in the itme being finds out if there is a power difference, plz let me know, im currently looking for a EBII non smartlock manual bad

 

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Posted: Mon Oct 17, 2005 11:45 pm 
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why do you want a manual ECU so bad? Resistors didn't work for you?


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Posted: Tue Oct 18, 2005 2:33 am 
Getting Side Ways
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i want a manual ecu bad coz were putting in a manual transmission man lol

and i dont want a 3.9L ECU from some crappy EA POS... :)

 

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Posted: Tue Oct 18, 2005 2:41 am 
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why don't you wire up some resistors to your auto ecu? gimme your email, and I'll send you the doco.


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Posted: Tue Oct 18, 2005 7:31 am 
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The resistors never worked in my car either. But then again i could never get my car to pping either .
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