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Old 06-21-2011, 01:56 PM
kc0rey kc0rey is offline
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5.4 Head Replacement

In an earlier thread, I asked about my 1998 Expedition and it's blown out sparkplug (#3). The hole has been drilled out too big and a Helicoil is not the answer.

I have to replace the head. I found a local salvage yard that has the head for $60.

Any advice on what else I may need?
What do you guys recommend for Gaskets? Will I need to replace the headbolts or can I reuse the ones I have?

Anything to be careful of?

I know I will probably need to replace the Timing Chain Tensioners as there is 171,000 miles on this engine.

Thanks for any help in advance.

Steve
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Old 06-21-2011, 02:43 PM
ncon ncon is offline
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I would try a timecert before going through the hassle of a head swap...nothing to loose! I have one im my 5.4 cylinder #3.

For a head swap, I know you'll need the head bolts, as they are torque to yield.
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Old 06-21-2011, 02:47 PM
kc0rey kc0rey is offline
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Timesert will not work. I've exhausted all of these possibilities. The hole is 3/4 inch and can not be enlarged with-out getting into the valve seat.

Lots of emails and phone calls to Timesert and another company. The head has to be replaced.
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Old 06-26-2011, 05:44 AM
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Fel-pro head gaskets are fine. You need new head bolts!
Summit racing has what you need and they have good customer service.
Most impotent thing is to get the timing set properly, to avoid catastrophic failure !
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Old 06-26-2011, 05:44 AM
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Go Back   Ford Truck Enthusiasts Forums > Performance, Engines & Troubleshooting > Modular V8 (4.6L, 5.4L)

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