Mike Steckelberg Posted July 8, 2009 Share Posted July 8, 2009 I have a 86 F250 with a 6.9 diesel and I'm curious what can I do to it without spending a whole lot of money to get more performance out of it? Air intake? exhaust? any and all suggestions appreciated Quote Link to comment Share on other sites More sharing options...
Scott K Posted July 8, 2009 Share Posted July 8, 2009 Get a higher output high pressure pump, with larger nozzle injectors, but now you would be spending money, but at that age, they are probably bad anyhow. Quote Link to comment Share on other sites More sharing options...
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