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  1. 4

    LBZ Dually Bad MPG

    I've changed my fuel filter 3 times in the last 10,000 miles and hand calculated says about the same 13.1-13.2
  2. 4

    LBZ Dually Bad MPG

    Hey guys I have an 07 classic with the LBZ it's a 2wd dually with regular old street tires. For the first 9,000 miles I had it it was completely stock and has only gotten 13 mpg. For the last 2,000 miles it's had a edge evolution cts2 that I keep on extreme and a 4" down pipe back that is strait...