Posted 2/12/2019 19:42 (#7316868 - in reply to #7316852) Subject: RE: Ford Super Duty Diesel vs. Gas
Central Illinois - west of Peoria
We ended up putting Banks headers on the v10 and it cured our manifold problem . Not cheap , maybe helped the power a little bit , gas mileage about the same . Could never get much better than 10-11 mpg out a 10 . Maybe just the way I drive ?