Well, the first thing that jumped out at me was the Pro M Bullitt 75mm MAF. What in the heck are they using that thing with 36lb/hr injectors for? It could run fine on 24lbers, but the Bullitt has a horrible reputation of problems with calibrations above 19lb/hr.
My best guess is it's making crappy power because it was originally setup to be supercharged with low compression. That and it has to have a crappy cam choice in their too. I'm not impressed with the fuel economy if it was a mileage cam, so either it's improperly tuned, or just a complete turd of a combo. Any combo with that much money into it should be making in excess of 400hp.
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