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Old 02-27-2010, 02:20 PM
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Re: Any 4.7's with ported and polished 68mm TB?

Quote:
Originally Posted by Forced Induction View Post
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.
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