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TwinTurbo35
twinturbo35
The directions say to change the oil every 5000 miles if you’re using the truck for severe duty, and they count frequent towing as severe duty along with a list of other things.
Watch the video....
The directions say to change the oil every 5000 miles if you’re using the truck for severe duty, and they count frequent towing as severe duty along with a list of other things.