motor is a ls1. has a fast intake and TB, mild cam. i just installed 63lbs injectors along with a walbro 255 fuel pump. its for a twin turbo setup. we started the car and it looked like a diesel truck was running. so where to start to adjust my fueling so i can atleast run the vehicle? ive read about the IFR tables but im still lost on how/where to adjust them to? im postin for a friend btw. and another question, anyone know of good reputable tuners in PA area? thanks lol.