Quote:
Originally Posted by Jaronbwall
I have a few 4th gear logs from while back when I drove the car. Looking at them on my phone right now.
From 2500-3700rpms Cyl4 Timing corrections are -3.7, all other Cyl's show no lines on the chart.
I let off the gas at 5k rpms but I was targeting 18.2psi, and hitting 18.7psi. If I had a boost leak I'd see it on that. WGDC (bank 1 and 2) follow the boost level fairly close.
Probably need to rev to redline for a better log but I don't think it matters. Maybe I should do nothing, dyno the car, and be happy!
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Generally you would be off target and WGDC would be climbing higher than normal to try and meet the target. Do a 3rd gear log, 2.5k to at least 6k with DSC fully of in the dry.
If the log looks fine, wouldn't worry too much about it, mines been sirening at low speed for a while but hitting 20psi to about 16psi up top.
Might be a good idea to do oil analysis, as some of the guys mentioned.