Originally Posted by Forced Induction
Is there any advantage to a 68mm (or larger) TB on an 04 4.7 H.O.?? As seen in my signature, all is stock for now.
Thanks for the help.
Jason, one of the first ported TBs I did was for an '02 HO that had mild modifications (K&N FIPK, true duals, SRT8 20" wheels) and we saw a noticeable improvement. that was with about a 70-71mm backside (port-matched to the manifold, with the upper tab removed), 74mm inlet, but using a modified OEM 68mm blade.