Head Studs
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Head Studs
I am having an arguement with a buddy about his 6.0 vs. my 7.3, arguement is at which point do I need to Stud the heads due to PSI increase? How many studs there are in a 7.3 vs. 6.0. He is saying that I should stud my heads immediately because the 7.3 is known to have the heads float if you increase PSI due to turbo swap. I have heard people running almost 35 psi without studding the head. He is also saying that if I would have bought a 6.0 I would not have to do any of this. My only thought is that ok, he's excited he has a new truck, doesn't know what he is dealing with as far as that 6.0 is concerned, or he is dilusional, or just has a case of cranial rectal inversion. I know what the 7.3 is capable of, and have witnessed the 6.0 horror. But I guess I need some other opinions or facts about the differences.
Super Moderator
Joined: May 2004
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From: Central Coast of CA
As well, it's the 6.0's that need studding when you increase boost pressure with mods.
Stewart
Hotshot
Joined: Jun 2007
Posts: 10,008
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From: Austin, TX
Boost pressure doesn't blow head gaskets. You could run 40psi and if the tune keeps cylinder pressure in check it will be fine.
For example my truck dynos 515-520hp on a few different dynojets. It has stock head bolts and that was at 37psi boost. This is my daily driver and I beat the hell out of it every day. Just because mine holds though doesn't mean yours will. My head gaskets do have 390k miles on them. Lol
I would recommend studding if you do a bigger turbo and injectors though. Most turbos with a set of stage 2s will be in the 35-40psi range. Better to be safe.
For example my truck dynos 515-520hp on a few different dynojets. It has stock head bolts and that was at 37psi boost. This is my daily driver and I beat the hell out of it every day. Just because mine holds though doesn't mean yours will. My head gaskets do have 390k miles on them. Lol
I would recommend studding if you do a bigger turbo and injectors though. Most turbos with a set of stage 2s will be in the 35-40psi range. Better to be safe.
Postmaster
Joined: Jan 2009
Posts: 4,006
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From: AL, Reform
the 7.3 has more blots than i like to torque.
i dont think you could ever get psi up to blow a head.
i dont think you could ever get psi up to blow a head.
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Laughing Gas
Joined: Feb 2004
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From: Elsinboro, NJ
like said earlier, cylinder pressure will make the difference but if you are looking for a number at which to serious consider head studs I would set it at 35 psi. 40 psi is a must have for me.
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I'm done with the arguement with him, I showed him the posts and he just said "oh". He really like the post about lifting his cab to do his studs. Good job fellas, thanks for the black and white to shut him down.
Lead Driver
Joined: Jun 2013
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From: north of Minneapolis, MN
I don't own a 6.0, and am likely speaking way out of turn. But I seem to recall the head bolts on the 6.0 are torque to yield....and studs, are well, studs.
Posting Guru
Joined: May 2006
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From: Bryson City NC
Hmmm???? OOOk
Smokie
Fleet Owner
Joined: Mar 2003
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From: Blue Hill Township
Too bad you don't have to lift the cab to stud a 6.0.