the guy who is doing it really knows his stuff doing efi on mustangs and camaro's so im hoping its not just blind optimism. Id be happy if he can get me up to 150hp. Should i also see about dropping in a cooler thermostat before i take it back in for this?

1997 Mercury Mystique -Tinted, Debadged, and no more door ding guards -Dual Exhaust With Magnaflow Mufflers -Gutted Precats -SVT rear sway bar w/ES bushings