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I was just wondering what things I can do to improve performance in my 92 f-250 4x4 with 7.3 idi, without buying a turbo such as exhaust and other things?
This is a reoccuring thread in here. At least once a week. Problem is there isnt much of an answer other than a turbo. You can straight pipe it, get a custom larger y-pipe form the manifolds for more free flow, make a custom ram air intake, remove the soup bowl, turn up the fuel and other small tricks like that. However, some argue those things have no affect on your power.