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Picked up a chipped stockie ECU last night

riggaP

By riggaP,
in Engines & Forced Induction

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riggaP Veteran

riggaP

Posted
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Posted

Turned up the bleeder to get more power. With the stock ECU I couldnt run more than 10psi without running into misfire problems (which is the most infamous problem with 33 ecus). The chipped ecu has a much better ignition timing so I can push to boost to turbo annihilation :D

The overall power figure is not too much greater than the stock ecu but the car pulls to the redline A LOT quicker than before. People seem to forget its not just the top end power figure, its a combination of how quickly you can get there. If I had a scanner I'd post the before and after curves but alas I do not.

  • 2 weeks later...
Dr_Drift Veteran

Dr_Drift

Posted
Posted

The re-mapped ECU has a higher boost (afm) cut than stock which allowed us to increase the boost a little. apart from that there were signifcant gains in mid range response, not to mention the removal of the 180 km/h speed limiter.

All nissan ECU's are reprogrammable. I have found the adaptors for the RB25 and late model RB26 ones and just parts is over $900 per ECU :D

All other nissan ECU's are easily remapped.

Doc.

NickR33 Grand Master

NickR33

Posted
Posted

Interesting...my 33 is completely stock and I just discovered the 180km/h speed cut is disabled...(I think...the needle just kept going into the blackness)

I had a look for cut wires or switches that look aftermarket but couldn't find any and the ecu looks stock as a rock this is very weird...any ideas?

Jay95R33 Grand Master

Jay95R33

Posted
Posted
I managed to take it apart... just took blurry photo

Can you tell if this is stock?

:)

http://www.skylinesaustralia.com/forums/at...achmentid=10182

Nick - Check the MEC number on the main EPROM, if it matches the MEC number on the outside of the ECU then it's stock.

J

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