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Old Apr 28, 1999 | 05:59 PM
  #1  
Ricci's Avatar
Ricci
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Does anyone have any knowledge of Jspeed
modified unisia jecs ecus? Is this a 'factory' mod for the Sti cars? I saw this on a 95 WRX sti type RA and am curious to know if its standard or what it claims to alter over standard and to what effect. The unit is 'switchable' but theres no info as to what is being changed by this switch & I couldnt discern a difference on a short drive in the car using both positions. It does not appear to be ALS (no bangs) or boost control override (boost guage peaks at .9 on both settings), anybody else got/seen one or know anything about Jspeed?
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Old Feb 4, 2015 | 09:37 PM
  #2  
dirty ginger's Avatar
dirty ginger
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From: north dakota usa
Default i have the same thing. a 6s jdm ecu from a 97 ej20k sti.

Originally Posted by Ricci
Does anyone have any knowledge of Jspeed
modified unisia jecs ecus? Is this a 'factory' mod for the Sti cars? I saw this on a 95 WRX sti type RA and am curious to know if its standard or what it claims to alter over standard and to what effect. The unit is 'switchable' but theres no info as to what is being changed by this switch & I couldnt discern a difference on a short drive in the car using both positions. It does not appear to be ALS (no bangs) or boost control override (boost guage peaks at .9 on both settings), anybody else got/seen one or know anything about Jspeed?
the one i got has a full curcuit board soldiered on top and looks switchable. havent tried switching it but i can tell you the car runs like **** with it in(on 91 us fuel). i had to buy another stock unit to get modded by ESL for USA 91 fuel.

cant find anyinfo on it.

woahh, i just realized im commenting on a post thats over 15 years old.
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Old Feb 4, 2015 | 09:54 PM
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ossett2k2
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Wow! Best thread revival ever
Give Andy Stevens a shout about the ESL mate he will be Abel to help
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