Join Date: Jan 2009
Location: Davis, CA
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ya unless you are having trouble with it downshifting you should definitely leave the o/d on.
2000 XLT f-250 7.3L extended cab long bed 4wd
s&b intake, DP tuner on the way!!!!
straight pipe, no cat,
HPX oil crossover, foil delete,
zoodad, ccv relocation,AIH delete, guages, hutch mod and no hood insulation (soaked in diesel from a mess that involved 3 fire trucks and 2 hazardous waste trucks)