i got a 97 cobra mods are forged teksid block with inverted dome diamond pistons with probe rods.Vortech supercharger running 15lb richard racing pulley,42lb injectors ,90mm mass air anderson powerpipe,and anderson meth kit screaming deamond coils,talor wires.Aluminumflywheel with stage 3 clutch kit 3.90 motive gears.Full tubular front with coilovers rear upper and lowers with polys,x-pipe with mac catback upr bluethunder short throw.Last year it dynoed 408rwhp but car was dropping power at 5800 and only getting 8lb of boost anybody have an idea what i should be running for hp to rear thanks also have slight skip at idle it was there before i had it rebuilt and still there?
