When just playing around town, my overhead will actually go up. I get about 16.8 or so on level 3, average. And I've been getting 17.3 with it on level 4 for the past few weeks. Hand calculated.
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'03 Black 2500 QC/LB 4x4, 6 speed, BHAF, 2" lift, black H2's, 35" BFG MT's, B&W turnover, Juice w/ Attitude, 5" str8 pipe, BD lift pump, spin on filters, Firestone bags
Ohio Coal Roller