Give me about a week and I will be able to tell you first hand if there is a difference. Significant or not.
My truck is just about bone stock. The only mod I have done performance wise was lose the stock muffler and add on a Thrust 2 chamber with a turn down at the rear axle.
Im hoping that with the Gotts mod, Troyer valve body and the Gryphon (original), I will see some significant gains. Only time will tell though.
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 04 F150 4.6L / 04 Excursion 6.0L
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