| yeah i have checked the plug and got underneath of the truck and didn't see any problems
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06 Chevy 3500 Crew Cab LBZ Dually 4x4 Allison(work)
Stock except the custom box
01 Chevy 1500 Ext. Cab LT Z71 4x4 5.3L Auto(play)
Cold air intake, dual straight pipes, superchips Cortex (works on both Chevys)
92 Dodge Dakota Sport 4x4 3.9L V6 5 sp. (Beater)
K&N Air Filter, Throttle body spacer, chipped, and BFGoodrich All-Terrain T/A KO | 
Linear Mode
