I WAS DRIVING MY CAR TODAY AND GOT ON IT RAN GREAT. WENT TO THE PARTS STORE CAME OUT TO START IT UP AND IT WAS LOADING UP ON ME SPITIN, SPUTTER LIKE A INJECTOR OR A REGULATOR IS HANGING OPEN OR SOMETHING. I SHUT IT OFF FOR ABOUT 10 MIN AND IT IDLE FINE THEN THE SAMETHING HAPPEN AGAIN TAP ON THE REGULATOR AND INJECTORS STILL THE SAME. MY MODS ARE 55 POUND INJECTORS MODDED ECM BY RED ARMSTRONG CHAMPION HEADS, CHAMPION PORTED INTAKE, 206-206 WEBER CAM, ATR DOUBLE PUMP AND SO ON. THANKS ROB