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Old 07-30-2004, 10:29 PM   #1
RIP_2my_GC8
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Last edited by RIP_2my_GC8; 08-02-2004 at 09:29 PM. Reason: problem fixed.
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Old 07-31-2004, 01:30 AM   #2
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your description and conclusion is suspect, at best.
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Old 07-31-2004, 04:13 AM   #3
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well, why don't you just buy a new ECU?
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Old 07-31-2004, 04:15 AM   #4
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Last edited by RIP_2my_GC8; 08-02-2004 at 09:30 PM.
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Old 07-31-2004, 04:22 AM   #5
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well, what i would like to know is, why were you running 100 octane to begin with when using the stage 2 map. the stage 2 map wasn't tuned to 100 octane, it was tuned only for either 91 or 93. when you test drove with your friend's ECU, what octane were you using, 100 or regular 91 or 93? also, if you were using a higher octane for the stage 2, i don't think your EGT's would be so high, since it's tuned to either 91 or 93? this is fishy.
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Old 07-31-2004, 04:23 AM   #6
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Your EGTs hit 1800....ummm......where did you place the sensor for the gauge????
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Old 07-31-2004, 04:24 AM   #7
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Last edited by RIP_2my_GC8; 08-02-2004 at 09:31 PM.
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Old 07-31-2004, 04:26 AM   #8
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silver, i had an egt probe placed 4 inches from the turbo exhaust side outlet in the downpipe when i measured my egt's.
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Old 07-31-2004, 04:28 AM   #9
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okay, however it seems fishy that you hit 1800 degrees with 100 octane in your car. were you using a boost controller of some sort? that just doesn't seem possible with 100 octane. if it's true that you say you used 100 oct. in your tank before stage 2 (on stock map), what EGT's were you hitting then?
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Old 07-31-2004, 04:30 AM   #10
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1800 degrees 4" after the turbo exhaust side in the downpipe and that's what you got?! wow, man, put it this way, i have mine placed 3-4" in the exhaust manifold after cylinder's 2 and 4 and i'm seeing around 850*C at WOT. that's crazy.
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Old 07-31-2004, 04:32 AM   #11
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Last edited by RIP_2my_GC8; 08-02-2004 at 09:31 PM.
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Old 07-31-2004, 04:33 AM   #12
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btw this is 1800 degrees Fahrenheit not degrees Celsius
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Old 07-31-2004, 04:35 AM   #13
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well, your most accurate readings for EGT readings would be about 3-4 inches in the exhaust manifold taking readings from either cyl. 1-3 or 2-4. so if you're getting 1800 degrees F after the turbo, you've got to think that exhaust gases cool as you move away, so it would be hotter when closer to the engine. that's too hot my friend to be normal.
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Old 07-31-2004, 04:36 AM   #14
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Quote:
Originally Posted by RIP_2my_GC8
egt's are supposed to be measured after the turbo per the instructions that i read on here....
Unfortunately, a lot of things on here aren't totally true. Plus, from many sources, I've heard that it should be in the exhaust manifold.

Your real egts were probably around 1600....maybe less?
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Old 07-31-2004, 04:39 AM   #15
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Last edited by RIP_2my_GC8; 08-02-2004 at 09:32 PM.
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Old 07-31-2004, 04:40 AM   #16
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and keep in mind this is on 100 octane. you should've complained to cobb about your high EGT's when running the stage 2 map. why didn't you? i imagine that if you were running a higher octane mix on the stage 2 and were getting 1800 F, i couldn't imagine what you would get with california 91 octane. again, this is fishy.
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Old 07-31-2004, 04:41 AM   #17
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Quote:
Originally Posted by RIP_2my_GC8
clamdip, i put in 3 gallons of 100 octane when i switched from stage 2 91 to stage 2 93. the gas in my tank wouldnt affect anything becuase ive put 100 in my tank before i had the accessport and it made no difference with stock ecu. when i tested my friends ecu yesterday i had 91. we dont have 93 in california.


edit: i should say the gas in my tank when i had divorced the accessport wouldnt affect anything.
Just curious...you put 3 gallons of 100 in how many gallons of 91? 13??
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Old 07-31-2004, 04:42 AM   #18
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Last edited by RIP_2my_GC8; 08-02-2004 at 09:32 PM.
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Old 07-31-2004, 04:43 AM   #19
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I haven't heard of any other problems with divorcing APs.....sorry man, but you just got "lucky"
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Old 07-31-2004, 04:43 AM   #20
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Last edited by RIP_2my_GC8; 08-02-2004 at 09:32 PM.
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Old 07-31-2004, 04:44 AM   #21
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also, high EGT's wouldn't f up your ECU however, your O2 sensor probe and many other things can get damaged when EGT's are too high. but this still seems fishy, your high EGT's. my question is, how can your EGT's be so high when you're running the stock turbo, no more than 15psi of boost, and high octane. this just doesn't make sense. and not to mention that the 1800 F reading came further down when exhaust gases are cooled already. okay, i can see 1800 F w/egt probe in exhaust manifold 4" down from the cylinders, but in the downpipe, it just doesn't fit.
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Old 07-31-2004, 04:45 AM   #22
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Last edited by RIP_2my_GC8; 08-02-2004 at 09:33 PM.
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Old 07-31-2004, 04:46 AM   #23
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Quote:
Originally Posted by clamdip
also, high EGT's wouldn't f up your ECU however, your O2 sensor probe and many other things can get damaged when EGT's are too high. but this still seems fishy, your high EGT's. my question is, how can your EGT's be so high when you're running the stock turbo, no more than 15psi of boost, and high octane. this just doesn't make sense. and not to mention that the 1800 F reading came further down when exhaust gases are cooled already. okay, i can see 1800 F w/egt probe in exhaust manifold 4" down from the cylinders, but in the downpipe, it just doesn't fit.
wouldn't his engine be toast?????
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Old 07-31-2004, 04:47 AM   #24
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Quote:
Originally Posted by Silver04WRX
wouldn't his engine be toast?????

oh hell yeah! sorry RIP, we're not trying to call you a liar or whatever. so hope you don't take it personal, but things just don't seem right. your argument for that matter.
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Old 07-31-2004, 04:51 AM   #25
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Well, again, I'm sorry you ran into this problem...hope you get things worked out. I haven't heard about any problems like this before, so I think you're on your own.
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