Head Gasket Time - Ford Powerstroke Diesel Forum
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Old 09-27-2012, 04:45 PM
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Head Gasket Time

Hey fellas, im biting the bullet and gunna do my headgaskets. I want to know whats options do I have aside from OEM gaskets? I saw black onyx for 6.0 do they make them for our 7.3s? Is there anything else I should know before I do the repair? Like supplies I would forgot or overlook. I dont like the idea of only a OEM option. After all it did fail.
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Old 09-27-2012, 11:25 PM
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Just got done doing the same, due to a siezed gp rather than a failure though.
Talked to Jim at Rosewood diesel and he pointed me in the direction of FelPro for the gasket (available at Napa).
He's been running FelPro's and studs to 70psi with no issues, so I'm confident they should hold to 40psi without studs the same as OEM.
Get a jar of the Ford gasket remover compound, and a bunch of brass/plastic scrapers for the removal of the old gasket. Brake clean is always handy to have on hand for a final clean of the mating surfaces, as well as pistons and cylinder bore.
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Old 09-28-2012, 07:47 AM
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Ill check out the felpro, would you suggest using a sanding wheel on the mating surfaces too or would that be too rough? Ive seen the guys in the shop use them before. Thanks for your input I appreciate it.

I have about another 800 to spend on the truck so I was thinking about rebuilding fuel bowl, possibly hpop (not sure if it needs it) and getting a CAI from riffraff. Anything else i may look into? Im not wanting to hotrod it too much, just more a DD for myself.
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Old 09-28-2012, 08:37 AM
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Also forgot to ask, did you need to take injectors out of the head to get head off? If yes, did you need a specialty tool for the injectors?
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Old 09-28-2012, 11:35 AM
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You can use the non abrasive roloc discs. It will speed you along a lot faster. Make sure the clean everything up very well prior to assembly. If you plan to hotrod it in the future, now would be a good time to upgrade valve springs/retainers.
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Old 09-29-2012, 06:32 PM
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I've always stayed away from anything electric or pnuematic when removing gasket. Plenty of people use them with good result, so it can be done. My mentality is anything that makes a job go faster also has the potential to make things go wrong faster. A non-abrasive disk is going to take one helluva long time to start machining steel, but there is always the potential. I'd rather use a little more elbow grease and rest easy at night. Keep in mind you are only trying to remove the gasket itself. Don't worry about and stains left on the block/head surface. Trying to sand/polish stains out is a surefire way to end up with variance along the mating surface.
Yes, I'd recomend removing the injectors prior to head removal. That sum***** is heavy (150lb IIRC) so it would be a shame to ruin injectors while wresting it off the engine. Didn't use any special tool to remove injectors, just a little love from a pry bar. There is an injector puller, but they are spendy. Would also be a good time to inspect injector cups/o-rings for any signs of failure.
There is a specialty tool for removing heads. Utilizes the 4 centermost threaded rocker arm retainer holes, and attatches to a engine hoist. Depending on available resources, you could easily make one. Like i said before, these heads are heavy. Trying to wrestle one onto the block with the engine in the truck is a task without some sort of lifting mechanism.
$800 in funny money eh?
Have you looked into the Tymar intakes? Run around $150 last time I checked. Could also go for a DIY 6637 intake. I'm sure there are writeups on that here somewhere.
For a HPOP, Terminator Engineering's T500 should do everything you could ask of it. $460 shipped to your door I believe.
Is your fuel bowl leaking? Diesel 0-rings sells a complete rebuild kit for them. With the price of fuel these days, it should pay itself off in a fillup or two.
If your running the stock downpipe, I'd say upgrading to a 3" one (if not a full exhaust) should be at the top of your list. They are relatively cheap and easy to do. You'll want to remove the stock DP if you're removing the passenger side head anyways.
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