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Hey found this online so I picked it up.

JDM Nissan Skyline ECR33 RB25DET Serires 2 M/T KS ROM Racing ECU R33

Fits Nissan ECR33 Kouki Serires 2 MT Version

Mapped for Higher REV Limiter, Aftermarket intake filter, Boost Up, Aftermarket Exhaust

USED in very good working condition

Anyone familiar with these.

I found a older post where someone ran a s2 ecu on a s1 with minimal problems.

http://www.skylinesaustralia.com/forums/topic/411617-r33-series-1-motor-running-a-series-2-power-fc-not-working/

Can anyone re confirm?

I have a low mount mandrel manifold and split dump pipe coming. pod, large front mount, plus free flowing 3"

Will I get much of a gain from this ecu?

It has some specs but in jap.

7500rpm, 0.75 kg/cm2.

Can't post a pick off my iphone.

Can anyone here translate it if I can figure out how to post a pick?

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https://www.sau.com.au/forums/topic/432084-r33-ecu-upgrade/
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if u read enough on SAU you will find that these 'chipped' ECU's are dangerous. Yes, they will make your car feel awesome compared to a stock computer.

But the odds of it running safely on your car are very low. Many people have grenaded their motors with these, mostly due to knock as they are an aggressive tune not suited to your car or mods. Much less aussie driving conditions such as heat, fuel RON etc. Also R33's are getting old now so much easier to wreck a motor.

Also, AFR's aren't necessarily the issue. You can have a car running lean that is fine as the timing is adjusted accordingly, or a car that is rich that pings its head off as it has mad timing (often what chipped Japanese ECU's like a 'Mine's' ECU runs like)

Simply put, don't do it.

I actually know 3 people directly that have wrecked their RB25 with these chipped ECU's.

Save up and get a nistune or a power fc etc and get it tuned properly.

Good luck.

Edited by jjman
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https://www.sau.com.au/forums/topic/432084-r33-ecu-upgrade/#findComment-7027703
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