We are replacing the wire harness and all the boost tubes ;-)On mine 7.3 also it was wire harness under the valve covers got stranded twice it also helped the injectors go south too . Also hole in boost tube as well same thing 45mph
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Take a look at the Injen filtersI have a A and E with a K and N open air box air ram filter - it gets dirt really fast
any good Cooled Air Ram Intake system for a Big Banks Turbo ;-)
I found this one: your input on it ?