Car is a 2007 manual C6 with built 390 and 62 mm turbos on 93 and direct port meth into intake and one nozzle before IAT. I sold turbos to him and made 1269@22lb on my 427 setup E85. Hes only making 893@22lbs. I'm seeing tons of timing taken out of tune and he has knock on the log and only making 12.5lbs. They say he made 22 on the dyno but don't have log. His IATs are also crazy high when cruising. Same style intercooler I had with high IATs but not anywhere like this. He says the ambient was not 108 for some reason it is reading too high as well. He says it was really 80s outside. I'm thinking the low hp is from the low timing and maybe the meth needs to be dialed back and add more fuel where it knocks. His IDC is nowhere near limit on his small pull at end of log.
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