Originally Posted by
XL90R
OK so just a little update, Got the D&D installed, noticeable difference. Got everything set up on ECMSPY mono, and have started the tuning process. Going to spend sunday on the dyno getting it dialed in. Midrange picked up and some top end from the pipe, but I can feel it has some flat spots that for sure need attention, And the decel pop is driving me crazy- which Im tuning out currently without the dyno. Plan is to dial the whole map into 13.2 AFR and my cruise and idle at around 14.2. Depending on if I can shrink the Narrow band closed loop ranges with ecm spy, I may end up perfecting the tune on the dyno and then just turning off closed loop.