 Performance ECU?, ST205 |
 Apr 29, 2011 - 5:37 PM
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Enthusiast  Joined Dec 7, '10 Currently Offline Reputation: 1 (100%)  |
Darn factory ECU won't let me change anything without blocking everything...I want to install a boost controller in the future...I guess I'll have to mod the ECU too. Anyone know what would be my options for this kind of mod?
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May 1, 2011 - 1:21 AM
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 Enthusiast Joined Feb 11, '08 From Auckland, New Zealand Currently Offline Reputation: 0 (0%) |
And factory ECU is mapped to ~17psi, 18psi brings on fuel cut.
Common way to boost over 17 is by using an Active Clamp on the Map sensor at approx 4.1 volts. This means the MAP sensor is free to read accurately up to 17psi before being locked into 4.1 volts so your ecu will never see above 17psi. Then using a water injection system with a rising rate controller (Like one supplied by AEM) you set it to kick in around 16psi and as the boost pressure ramps up, so does the water pressure. This is all still while the factory ECU does it's thing in the background. -------------------- Mike W
1996 Toyota Celica ST205 GT-FOUR GT2860RS turbine, TiAL mvr44, JE 86.5φ piston, Clutchmasters FX400, APEX P-FC 269awhp / 273ft-lbs |
Posts in this topic
TheChildOfTheSea Performance ECU? Apr 29, 2011 - 5:37 PM
soulshadow AFC,
or here try this, I got their wideband o2 s... Apr 29, 2011 - 6:15 PM delusionz You don't need to touch the ECU to lower or ra... May 1, 2011 - 1:14 AM TheChildOfTheSea I see...so what would you suggest? May 1, 2011 - 1:42 AM delusionz Boost controllers? Depending on your budget at the... May 1, 2011 - 5:47 AM TheChildOfTheSea Ok! and let's say I buy one of those, I ha... May 1, 2011 - 11:07 AM delusionz Yeah, or drop down to 3rd gear on the highway and ... May 1, 2011 - 3:04 PM TheChildOfTheSea Aye I'll do this Thanks for your precious inf... May 1, 2011 - 6:50 PM TheChildOfTheSea Oh another thing, the BC won't mess up with th... May 1, 2011 - 6:58 PM delusionz nah it's sweet, if it's a programmable one... May 1, 2011 - 7:53 PM TheChildOfTheSea Ok! I get it
Right now, I'm at 13psi on 1... May 1, 2011 - 8:23 PM delusionz Well, you may not even reach 17 in 1st, it doesn... May 1, 2011 - 11:15 PM TheChildOfTheSea ALright thanks! and do I need Dyno to tune it ... May 1, 2011 - 11:54 PM delusionz Nah just 3rd gear on the road, get someone to do i... May 2, 2011 - 1:05 AM TheChildOfTheSea you make it sound easy haha May 2, 2011 - 1:46 AM
TheChildOfTheSea Ah another thing...where should I put the BC modul... May 2, 2011 - 2:10 AM |
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