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TOPIC: 2004 F150 5.4L Groove

2004 F150 5.4L Groove 23 Jan 2013 23:15 #1

  • JimmyNeutron
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Just grooved my 2004 F150 FX4 5.4L going to see how it does I went around the block and could tell a big difference in the throttle response Has anyone messed with a newer 5.4L and is there anything else i can do?

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Re: 2004 F150 5.4L Groove 24 Jan 2013 02:18 #2

  • dan
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you can plug vaccumm to pcv and reroute iac can be slowed down on amount of air

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Re: 2004 F150 5.4L Groove 24 Jan 2013 03:40 #3

  • JimmyNeutron
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thanks for the reply I did plug the vacuum port for the PCV and can you explain the rerouting and vacuum restrictions for the iac thanks again

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Re: 2004 F150 5.4L Groove 24 Jan 2013 09:25 #4

  • Tracy Gallaway
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Hi Jimmy good for you!

PCV--cap off the port to intake manifold. Re-connect the open end of PCV hose tee it into the breather hose that goes to intake air duct.

IAC typically a piece of metal flashing is installed under IAC valve w/ 1/8" hole for air flow.

These, opening spark plug gaps and extensive detail about all this is in posts all over this site. Read all you can on here these mods have been explained/discussed many times.

Pics of your work help all to see learn understand and help you out!;)

Keep at it. Seat of the pants gains are GREAT!

TracyG Gadgetman Reno
Tracy Gallaway
Carburetor Coach
Mood Elevator
Gadgetman Reno, NV

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Re: 2004 F150 5.4L Groove 24 Jan 2013 20:37 #5

  • mob
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reset computer, and do the cold starts and all that that is disribed in the public documents section, Want the computer to adjust to the groove quickley.
;)

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