Do I need a new custom tune with these mods? - Power Hungry Performance Forum

		Power Hungry Performance Forum > Ford F-150, Expedition, Navigator, Blackwood, Mark-LT, SVT Lightning and H-D Editions (Disabled) > 2004 to 2008 F-150 and Mark-LT
Do I need a new custom tune with these mods?

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2004 to 2008 F-150 and Mark-LT
4.2L, 4.6L and 5.4L equipped F-150s and Mark-LTs.

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Sat, September 17th, 2011, 12:55 PM

Tys 04 SCREW Tys 04 SCREW is offline

Whopper

Join Date: Sep 2011

Location: St Marys, GA

Posts: 6

Just did a search on the coil packs, and have determined that I'm not going to replace mine. I'll just change out the plugs.

As far as the transmission kit goes, will my custom tunes make me have jolting shifts ?

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