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(Early) STi Version engine management Qs

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Old Aug 25, 2003 | 01:11 PM
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LeoneTurbo's Avatar
LeoneTurbo
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1) Which STi versions have the fifth injector on top of the intake manifold?

2) Which STi versions have the intercooler waterspray?

3) How to get rid of the 110 mph speed limiter on Japanese ECUs?

Cheers,

Marnix
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Old Aug 25, 2003 | 01:17 PM
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1) 96 STI Type RA
2) 96 STI Type RA
3) using an ECU chip/ de restricting module

Rob
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Old Aug 25, 2003 | 05:42 PM
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I have an sti v2 and i have the water spray too
coulty
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Old Aug 25, 2003 | 07:11 PM
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RA has 5th injector
And AFAIK the 5th injector is redundant on road versions
I can supply a remap that will increase boost to 15.5psi or 16.5psi (depenadnt on ECU) and get rid of the limiter.
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Old Aug 25, 2003 | 08:36 PM
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I have an Sti2 with water spray but no injector on top..
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Old Aug 25, 2003 | 10:16 PM
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Thanks guys. It seems only the MY95 WRX (type RA) STi Version 1 has the fifth injector. And MY96 does not, but that has the water spray for the intercooler.

Anyone know how much boost the various STi versions run?
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Old Aug 25, 2003 | 10:40 PM
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Anywhere between 11.4psi and 13.5psi.
The later the higher (only talking Pre96 tho').

P.S Just cause it's an RA don't always mean it's an STi.


[Edited by Scott.T - 8/25/2003 10:42:18 PM]
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