How can I obtain an honest 400 RWHP on my '01 7.3L?
I rolled down 305 RWHP now with DP Tuner's 140 tune, 4inch exhaust, after-market turbo (not H2E){forgot the name}, and an AFE air cleaner/box. As of late, I am not throwing any codes except over boost. Tranny is built and ready to take the...