Thanks, I don't plan on cranking it any where near 4200. I don't think I have gotten past 3300. that just seems too high for a diesel. Just wanted an idea of where these engines like to run. Runs great from 1000-2500 rpm, but,My truck seems to bog after 2500 rpm. Is that normal?
05 F250, 6Spd, 4" turbo back Magnaflow Duals, No cat. No muffler, Egr delete, Intake, SCT X4