First post here,GREAT site! Had few PSDs and a couple of Cummins.My current truck is a 2004 F250 FX4 tuned by DJs diesel. It tows everyday unless it gets unhooked to make pass at the dragstrip! It recently ran a 8.51@77.2mph with exhaust and Race tune only(thanks DJ and Viv!) It ran a 8.68@76mph...