6.0 Head Studs? - Ford Powerstroke Diesel Forum
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post #1 of 11 Old 09-11-2013, 12:54 PM Thread Starter
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6.0 Head Studs?

My mechanic just informed me that the injector cups are leaking fuel into the coolant in my '05 6.0. He is certain it's not a bad head.

My repair started with a leaking donut gasket, and has ended up being that, a new oil cooler, and now the fuel caps. The tab's around $4,000 now.

The new head gaskets have head bolts, but is it important that I spend another $600 for aftermarket head studs? The truck is all stock and I don't intend to tune it. Will the bolts be fine or should I up my bill another $600 for the studs? I need to let them know in the next day or so before they put it back together.

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post #2 of 11 Old 09-11-2013, 12:55 PM Thread Starter
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I bought this truck two weeks ago from a dealer. Ouch! Big bill.
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post #3 of 11 Old 09-11-2013, 12:59 PM
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heck your at 4g whats another 600 bucks. id do it while its n the shop. that way if you ever get a wild hair and want to tune it you dont have to worry about the studs and gaskets failing.

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post #4 of 11 Old 09-11-2013, 01:02 PM
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Studs are certainly more reliable, but they do not eliminate potential head gasket issues. That said, the number of gaskets blowing with studs is VERY low compared to the number of gaskets blowing with just the bolts. Personally, I would go ahead and get the studs if I were planning on keeping the truck for a while.
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post #5 of 11 Old 09-11-2013, 01:09 PM
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Is your mechanic gonna get your heads checked out or is he just gonna slap on a new gasket and hope for the best?

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post #6 of 11 Old 09-11-2013, 03:05 PM Thread Starter
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The current head gaskets didn't blow, but they are obviously being replaced when they put the heads back on. The mechanic believes there is a blown injector cup so he is going to replace them. The new head gaskets come with the bolts, but I'm debating on the studs. So far, I'm leaning toward getting the studs.
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post #7 of 11 Old 09-11-2013, 03:10 PM
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STUD IT


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post #8 of 11 Old 09-14-2013, 05:08 AM
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6.0 Injector Cups Don't leak Fuel.
The O ring for the Injector seals to the Head ABOVE the Cup.
If Your getting Fuel in the Coolant You have a Cracked Head.
See Attached TSB
Attached Files
File Type: pdf Pages from tsb09-26-01.pdf (57.8 KB, 87 views)
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post #9 of 11 Old 09-14-2013, 07:11 AM
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X2 for cracked head. Cracked cups on the 7.3 would not be a surprise as their brass but the cups on the 6.0 are stainless steel and not likely to crack. So you would need to have a bad O ring AND a cracked cup, highly unlikely. IMO it would be foolish not to put in studs since the heads are off. Just make sure OEM head gaskets are used.


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SCT, no studs...yet, Dual OEM intake air filter housings, Banks intercooler & intake elbow, Banks exhaust system, Windrunner ported intake manifold, Bullet Proof Diesel remote oil cooler & thermostat, AirDog2 (plus a couple spares), Power steering filter (Amsoil dual-bypass), MagTec deep ATF pan, Electric oil pre-lub pump, Dakota Digital gauges.
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post #10 of 11 Old 09-14-2013, 07:14 AM
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What they said. If you are that deep into it then you would be crazy not to pay 450 for ARP studs. Doesn't cost any more to install them over tty bolts.

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