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#1
01-26-2003, 09:02 AM
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ECU question
I transplanted a 3sgte JDM to my 91 US spec 3sgte. I used my original
ECU, air mass and so on. My question, I have a JDM ECU, if I will replace my US spec ECU with the JDM ECU ,will it makes any difference (as far as power?..will it work)? Thanks 
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#2
03-09-2003, 04:53 PM
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It should make a lil more power but it will definately make it run a lot smoother at low and high end rpm
:rocket:
__________________
Big Turbo on a MR2= BIG BOOST BIG BOOST=FAST CAR FAST CAR= CRAZY DRIVER drop by my site
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#3
03-10-2003, 12:49 AM
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If you use the JDM ECU, you'll have a gain in power. This is because the JDM ECU is more highly tuned than the US Spec ECU. The downside to this, is that the JDM ECU is tuned for 100+ octane fuel, which means that you MUST use PULP at all times (octane booster would be adviseable too), or else you'll have problems with the engine pinging as a result of detonation.
__________________
"The little car that could" 94 J-SPEC MR2 GT-S TURBO Mods: Way too many to list!! 1995 FTO GPX MIVEC Mods: HKS 2.5inch exhaust, K&N airfilter, Hurricane Extractors, Unichip piggyback ECU, 18 inch Trilogy's, King springs all round SOLD  replaced by:2000 Subaru WRX 
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