The later turbo 53's used 19 to 1 Turbo pistons. The injectors are still the N or C series. It's going to be simpler and cost none extra to find a 4-53T instead of tinkering with the natural aspirated 4-53. And yes a two stroke diesel with a blower and no turbo is considered natural aspirated. Look in the DD service manual if you won't believe me. If you can find a 4-53TI silver series then you are in grand style with the bypass blower. Of course updating the 53 with the latest valve and cam follower springs keeps the pistons from whacking the valves. Installing the new style blower oil seal reduces the chance of a run away.
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Today's Featured Article - The 9N Lives Again - by Tyler Neff. I often reminisce about the good old days of my youth when I visited my grandparents on their farm in Moorefield, West Virginia. I lived in Middletown, Maryland, which was about two and a half hrs away from the farm. During my summer vacations I would spend two weeks helping granddad Wilmer with his farming duties. Wilmer and his brother Weldon owned the �Neff� farm. Th
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