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Big stuff 3 tuners..help please

Old 09-30-2009, 12:32 PM
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Default Big stuff 3 tuners..help please

Why is it on decel when getting to about 1500 rpm just drop to almost 0 but comes back then goes back down to almost zero to the point where i have to jab it a bit to keep from stalling..have tried to adjust throttle follower, but still falls off when coming down to 1400-1500 rpm.any input would be great..
Old 09-30-2009, 03:11 PM
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Where are your IAC counts when doing this??? Also what does you idle timing trim look like?

If the IAC counts are low it needs more adjustment on the throttle follower, if they are high you need more total airflow and or work with timing to keep it on its feet.


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