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Do you mean the little pop when shifting from 1-2?
I suspect that the "fart" may be due to negative spark advance (might be adjustable in the min spark tables). However, ever since I tweaked my tune (switched to sensed MAP enabled and modified the torque tables) I have not heard it.
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2015 Challenger RT+ (non-STP)
8lb Magnuson w/ Innovate PSB-1 wideband/boost/shift light gauge
Corsa extreme (2.5")
4" Aluminum one-piece driveshaft
Hellcat bottom airbox
Stainless Works LT headers (2" primaries)
Barton shifter assembly w/ Lou's short shaft and Speed Dawg knob
Comp Cam 7929 & 7748 push rods (gives slightly more lifter preload)
A2speed aluminum coil and valve covers (built in catchcan)
Last edited by ChallyTatum; 04-09-2019 at 09:58 AM.