Thread: My gt35r STI
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  #95 (permalink)  
Old 08-01-2007, 12:47 PM
jays05 jays05 is offline
Underground Bench Racer

 

Join Date: Apr 2005
Location: NY
Posts: 186
jays05

Well, I fixed the obd2 monitor issue with the o2 sensor (I hooked the analog output from my wideband up to the ecu wires for the rear o2). The car has a nasty 20psi/93oct tune now, but still with really conservative timing. I have been having an issue with the ecu hearing piston/valvetrain/ewg noise and pulling timing at part throttle and between shifts. Tried pulling 10 degrees of timing at part throttle and no joy. So I said screw it and ordered a TXS UTEC (piggyback ecu) and a 5 bar MAP sensor. No more MAF for me! And this thing will let me do launch control / flat foot shifting / spark cut rev limit... not to mention way better logging and adjustable knock sensitivity. Hope to start playing around with it next week sometime.

Oh, and I had one little mishap two days ago. A vacuum line going from the wastegate to the IC charge pipe + boost control solenoid split up the side and came off.... 30psi on 93 octane! If I am to believe the datalog, it didn't lean out or knock. I've replaced all those vacuum lines since.
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05 STI, built 2.5L, cams+headwork, gt35r+meth, dents and scratches galore
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