Ok so I recently just rebuilt my banshee it is a 421 assassin and I got everything together It will start up first or second kick but then require throttle to keep it idling and if you let off it will die almost immediately we have leak down tested it on the bench lost zero psi in 15 minutes we compression tested it and it’s doing 130 in both Cylinders we’ve OHM tested every electrical component and it is all within spec i’ve set the bowl heights and clean the carbs very thoroughly they are 33 mm PWK’s The air screws don’t change anything the idle screws don’t change anything the pilot jet is a 52 I’m not to sure what it could even be at this point any help will be very much appreciated Thank You