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Old 08-09-2003, 01:11 AM   #1
gasguzzler259
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Member#: 41182
Join Date: Aug 2003
Vehicle:
05 STI
White with gold

Default info on new generation of ecu's

Check out the Sept issue of HOT ROD MAGAZINE. Under the article on the neon srt-4 there is a sidebar on the engine computer. Very informative and may explain why it will take a long time for tuners to mod the STI ecu.
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Old 08-09-2003, 03:35 AM   #2
rlavalle
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Join Date: May 2002
Location: Seattle 'burb (Kirkland)
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2004 STi: 580 AWHP
Java Black Pearl

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Would it be possible for you to provide the text of the sidebar... or paraphrase it?

Hot Rod isn't in my stable of mags...

Thanks,
Russ
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Old 08-09-2003, 10:09 AM   #3
lstepnio
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Chapter/Region: South East
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2004 STi (fuxor3d!!)
2004 Forester X

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Yes, please.
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Old 08-09-2003, 11:27 PM   #4
gasguzzler259
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DaimlerChrysler's Next Generation Controller algorithms are ' model-based ' vs pre-programed tables of operating conditions. An air charge temp sensor after the intercooler and a throttle inlet pressure sensor can predict turbo compressor speed and pressure drop across the throttle blades and the AIC. The wastegate control is dictated by throttle demand vs a BOV at a set boost pressure. " It's this combination of information that has been giving fits to aftermarket companies trying to modify the Mopars with electronic throttle control. " The above are some highlights from the article. Mopar already has a stage I kit with a computer module and four fuel injectors for under $500. I know a Mopar is not a subie, but this might possibly give some insight on what's going on in our ECU's.
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