Originally Posted by boostedbuford

Pretty sure it's just a tune issue, when it was first tuned it was tuned on 93 octane, Nebraska started switching all the gas station's to 91 so I just pulled a couple degree's of timing instead of getting it properly retuned. Pulling the timing I'm assuming is causing the loss in power. Also according to Hptuners my 02's arent heating up correctly, which may or may no be causing the varation in air/fuel idk. So there is a couple thing's I need to get done so it's back where it needs to be.