I agree. I dont think he was doing a thorough job. Sorry to hear about your troubles. I run B100 and have been for 2 years and no problems. I havnt run any WVO because its too hard to get a hold of.
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2002 4x4, extended cab,auto, black, tan leather interior,BHAF, 4" straight exhaust, Van Aaken, fuel,egt and boost guages, walbro fuel system
My truck shakes, rattles, and rolls!!