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ECU Upgrade Options for 98MY STi

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Old Jun 27, 2002 | 03:07 PM
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I am looking to upgrade my ECU & was interested in the Power Engineering upgrade - until I was told its only for 99MY onwards.

What options do I have for 98MY STi?

Thanks

Ro.
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Old Jun 27, 2002 | 03:15 PM
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Im sure that the GEMS ecu will work on your car, its fairly expensive but very programmable id give Mike at Scoobymania a call as he had/has one on his car
Check out www.scoobymania.co.uk for contact details

Tony
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Old Jun 27, 2002 | 03:27 PM
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My MY97WRX is going to have the PE Phase 1 conversion soon. There have been some threads about this recently.

Heres one from a few days ago http://www.scoobynet.co.uk/bbs/threa...hreadid=107573

There is also a before and after Dyno plot on the PE website for an STi IV, with this conversion. http://www.powerengineering.co.uk/su...dynographs.htm

[Edited by bruce - 6/27/2002 3:28:23 PM]
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Old Jun 27, 2002 | 03:36 PM
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Bruce - many thanks for that.
I am a little confused though - I called Power Engineering recently & was told they dont do an ECU Upgrade for an STi4 (98MY) ??

Looking at these dyno plots I would buy one today - the gains are very impressive.

Ro.

Edited to say that PE do indeed do an STi upgrade - just been on their site !

[Edited by RoShamBo - 6/27/2002 3:46:20 PM]
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Old Jun 27, 2002 | 07:03 PM
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Apexi Power FC, a full mappable straight ECU replacement. they are 750 from http://www.rcdevelopments.com. plus 5 hours mapping charge. I am having one on my MY98 in a week or so
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Old Jun 27, 2002 | 07:07 PM
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Definately heard the same. No longer do anything for the STI

The website is a year or so out of date
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Old Jun 29, 2002 | 09:29 PM
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The PE upgrade seems to come and go.They did do it but then stopped because of some 'incidents'.(I'm not saying they were to blame.I d'ont know).Personally I'd steer clear of the Apexi unit as it is an unknown quantity as it has been recently released.I would'nt want to be a guinea pig.It may well be good,but I'd wait until its been proven.Link would be my choice both for price and reliability
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Old Jun 29, 2002 | 11:32 PM
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700 BHP Skylines????? Nuff said Deep
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Old Jun 30, 2002 | 04:34 PM
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Alan,not quite sure what you mean.The 700 BHP Skylines have got Apexi units or PE upgrades?If Apexi,then I meant its onproven as yet on Scoobs.Not saying its bad just an unknown quantity.Anyway my Scoobs got 700 BHP(LOL)
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Old Jun 30, 2002 | 04:43 PM
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Any Apexi products I have come across have been of very good quality, and probably a lot better than HKS, which is really overpriced. It also sounds pretty cheap, if it is only £750. At least it opens the ecu to anyone, for mapping rather than making it only programmable by PE. Should further mods require re-mapping you could take the car to an competent tuner, or if you are up to it, try yourself. Although be careful with that one...
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Old Jun 30, 2002 | 05:02 PM
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The Apexi unit gives the mapper far more control over the cars fueling, 20 points I think, better than anything else on the market. That said though, its only going to be as good as the guy who maps your car.
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Old Jun 30, 2002 | 06:09 PM
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another vote for the gems,
you get 2 maps on the gems, so you can have one for normall unleaded as you cant allways find super/optimax

mikee
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