Originally Posted by SalvadoriRacing

your LSN is probably extremely rich........with your car on the bench start the engine and when it reach its working temperature hit full throttle for 2~3 seconds and let it idle...........if after 10 seconds you can't get a smooth acceleration of the engine stalls the LSN is rich........proceed the same way until you get a smooth acceleration and the engine RPM stay consistent when idling for 20~30 seconds........