no wonder my car idled so sparatically. i took the carb off flipped it over and where the idle circuit holes are one butterfly uncovers more of one hole then the other as in they are not even, no wonder it would jump from 14-1800 rpm's so radically how the heck do i fix this!!!!!!?????????????? dave tech some help me todays the last race of the season i got off work at 4am worked on car till 5:24 gotta wake up at 8 have some answers please! ........scooter!!!!!!