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I'll be back through Lubbock in a few days, so I'll post up the results then.

The first time I got it tuned at 8-9psi the truck made 450Hp/500TQ, then when I went back to get it tuned for the meth kit I put on the truck only made 384Hp on the dyno before any tuning and the...

It's not the evap system, because I took the gas cap off and it doesn't do it.... Only when any amount of fuel is added. I'm thinking it has something to do with the flex fuel system/tables? Maybe...

Any help is greatly appreciated! The problem is that the truck is running strong right after it was tuned.... The problem is that when I put fuel in it, it acts as though it was never tuned for...