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Old 05-20-2012, 09:41 PM
DanR DanR is offline
Join Date: May 2012
Location: WI
Posts: 2
Default Log file from WOT problem

I'm pretty new to the technical side of the GN, even though I've owned the car since new.

Many years ago, I put in a TT chip to smooth out a up/down idle. This year I've added a fuel pump and regulator, otherwise the car is stock.

I'm having 'breakup' (not sure of the correct term) under WOT. Parital throttle is smooth and strong. I had a person ride with me who is very knowledgeable with the GN and he thought it was a spark issue (plugs, coil pack, ignition module). But, he thought I should post the log data to see what others think - so attached is the log file.

Thanks for your help,
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File Type: zip 2.zip (13.3 KB, 625 views)
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Old 05-21-2012, 09:15 AM
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TurboDave TurboDave is offline
I spend too much time here
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Location: Seymour, TN
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Well, according to your O2 readout, you went way lean, and had a ton of knock retard.
How much boost were you running during this recording.
TurboDave EWCS(SW) USN (Ret.) (1965-1988)
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Old 05-24-2012, 10:00 PM
DanR DanR is offline
Join Date: May 2012
Location: WI
Posts: 2

I found a cracked wastegate hose which wasn't attached to anything anymore! Will test again this weekend, but I think that is the problem.
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