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Go Back   IWSTI.com: Subaru STI Forums > STi Technical Discussion > ECU Tuning & Performance Electronics > Cobb Street Tuner


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Old 10-14-2006, 02:01 PM   #1
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Default Got some 1/8th Mile Track Time

Got to go to the 1/8th mile track yesterday. Semi-pleased with the results considering the elevations here. 2500' and 50* temps. I had a 7.9 run in me but I missed 3rd on two runs and ran a 8.5 and on the last couple of runs trying to get 7.9 I kept getting a bogged launch, seemed like my clutch was angry at me and was ready to go home so I did just that. Not too bad of times considering the elevation hates my car here and I only get 150 miles to the tank as opposed to 250 I get in DC. Tuning the alcohol injection has been driving me crazy and from the log in this post I run lean in 1st and rich in the rest of the gears. It only really allows you to add more boost but barely any timing in this case I am only running my 93 tuned timing. Just for reference I ran a 12.6@108 at MIR with a 1/8th mile time of 8.2 and the same tune here last season only got me a 8.9 best 1/8th mile time here with only a 1.9 60's time (the track is fairly new and had no rubber on it, now it is way better).

Log:
http://filebox.vt.edu/users/jchang4/STi2/TrackLog.xls

Opinions welcomed and any opinions on tuning alcohol injection VERY welcomed as well. Seems I have the most trouble just getting the controller dialed in. Right now it is set to about 8psi start and 18~19psi max spray.


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