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Old Nov 10, 2023 | 07:28 PM
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Help confirm my finding



So I have hg
ad codes P0304 and P0316 on my 2004 5.4l 2V. I replace the #4 coil, injector and all new plugs and the code keeps coming back. Truck has a mis when started for like 30-60 second and goes away. I did a compression test on #4 and got 160-170psi. Put the scope down and found most of the piston clean as can be. "see photos" I am now guessing I have a head gasket leaking coolant in to #4. What are your thoughts? Thanks
 
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Old Nov 11, 2023 | 08:30 AM
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Yeppers, that sucks as it sure looks like coolant to me. At least you can still see the cross hatch marks from honing.
 
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Old Nov 11, 2023 | 03:31 PM
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Ok, so now lots of questions and hel needed. I just moved to the Mooresville/Denver NC area. I do not know who to trust to do the job right nor the money. I can do it myself as I have built engines for my classic cars before but nothin this new. I will need to find some one to help as my eyes are failing. I was planning on doing a timing set, water pump and oil pump anyway and started getting parts.

1- What brand timing set to get? I was told to stay away from Melling and Cloyes as there chains are know to break.

2- What brand gasket kit to get?

3- Do I need to bring the heads to a machine shop to be checked out?

4- How big/long of a job will this be and is there anything else to know?

Thank you
 
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Old Nov 12, 2023 | 08:25 AM
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How about a ford timing kit? far as gaskets I stay with Felpro or OEM. Sure wouldent to have the heads checked and perhaps the valves cleaned up while in the shop. Far as how big? I hear you on the newer stuff and when I look at my 99 V10 I ask myself who the dumb *** who engineered this thing. Take pics, bag and label nuts and bolts and plan on a longer than a SB R&R chevy by 100%. Far as shops to trust...I have nothing to offer on that one but you can do it. Just dont get frustrated with things and take your sweet time.
 
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Old Nov 12, 2023 | 08:30 AM
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If you've got time to do it yourself, I think go for it. There are enough resources out there now. Standard procedure to bring the heads to machine shop to check them out for straightness and do a valve job. I'd try to find Ford OE parts for everything.

Here's a video series where a guy documents the whole process on a V10.

 
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Old Nov 12, 2023 | 02:10 PM
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Thank you guys for the help. I am looking online for the parts. Does Ford still make a full timing kit or just each piece? Do they offer a complete gasket lit for this? Any input for a good source to buy them? I was looking at Freedom Racing and Modular Head Shop, of course would like to get the best price to save but do it right. I have a new Ford water pump, Melling M340HV oil pump and the Melling 3-391SC timing set but will return after being told that Melling and Cloyes chains are known to break. Just want to be ready with parts and do this right. Thanks
 
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Old Nov 13, 2023 | 02:36 PM
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Called local Ford parts deal tody. They told me dome parts are NLA and others do not come in a kit but have to buy piece by piece. That sucks.
 
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