2006 W/O head studs
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Fleet Mechanic
Joined: May 2011
Posts: 1,866
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From: Rainier OR
2006 W/O head studs
Been looking at a lot of 2005-2007 6.0 with 160,000+ miles and most of them do not have headstuds. Are the latter build 6.0 less likely to blow headgaskets? Or, should I budget the cost of replacing them after I buy?
Lead Driver
Joined: May 2014
Posts: 6,545
Likes: 13
From: Virginia Beach VA
A good gauge on a truck can tell you a lot about its past, take it with you when you look. Buy smartly and just because it may not have studs doesn't mean it a bad truck, many trucks over 200K without studs.
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Fleet Mechanic
Joined: May 2011
Posts: 1,866
Likes: 84
From: Rainier OR
The one I might go look at is on a lot. Its carfax one owner and has "A" pillar gages, looks like trans temp and EGTs . The gages could mean different things, could have been hot rodded or the owner just wanted to keep an eye on things. Pics look nice, has 160,000 miles and has all the options I am looking for
Lead Driver
Joined: May 2014
Posts: 6,545
Likes: 13
From: Virginia Beach VA
Great. Take a gauge to see coolant and oil temps and the spread between them. Look at FICM voltage and charging voltage and check the degas tank cap for overflow. As about oil change and any records they have. Drive the truck on the highway 15 minutes at least.
Lead Driver
Joined: Feb 2011
Posts: 8,241
Likes: 155
From: L.A. (Lower Alabama)
It's my impression the earlier trucks did have more problems with headgaskets. Talk of incorrectly torqued heads during manufacture and excessive casting sand left in the cooling system (if those problems really existed) would have hopefully been addressed.
There are those who still insist it's not a matter of "if" but "when" the headgaskets will fail on any 6.0 even with the majority of trucks going over 200k miles now and nowhere near 100% failure rate.
Good things about later models are better design high pressure oil pump. Bigger water pump and redesigned front engine cover. Coating on the fuel injector pintles. Relocated ICP sensor. Quieter turbo. No EGR flapper in the intake. No crossover at the rear of the intake manifold.
Bad things about later models are failure prone STC fitting on the High pressure oil pump, weaker EGR cooler. More conservative software reducing power/mileage. Standpipes leaking. Smaller turbo (
see what I did there).
Probably missing a few things but those are the more common ones.
Hey, isn't this new?
There are those who still insist it's not a matter of "if" but "when" the headgaskets will fail on any 6.0 even with the majority of trucks going over 200k miles now and nowhere near 100% failure rate.
Good things about later models are better design high pressure oil pump. Bigger water pump and redesigned front engine cover. Coating on the fuel injector pintles. Relocated ICP sensor. Quieter turbo. No EGR flapper in the intake. No crossover at the rear of the intake manifold.
Bad things about later models are failure prone STC fitting on the High pressure oil pump, weaker EGR cooler. More conservative software reducing power/mileage. Standpipes leaking. Smaller turbo (
see what I did there). Probably missing a few things but those are the more common ones.
Hey, isn't this new?
Strokin Okie
Joined: Apr 2004
Posts: 1,883
Likes: 21
From: Oklahoma
It's my impression the earlier trucks did have more problems with headgaskets. Talk of incorrectly torqued heads during manufacture and excessive casting sand left in the cooling system (if those problems really existed) would have hopefully been addressed.
There are those who still insist it's not a matter of "if" but "when" the headgaskets will fail on any 6.0 even with the majority of trucks going over 200k miles now and nowhere near 100% failure rate.
Good things about later models are better design high pressure oil pump. Bigger water pump and redesigned front engine cover. Coating on the fuel injector pintles. Relocated ICP sensor. No EGR flapper in the intake. No crossover at the rear of the intake manifold.
Bad things about later models are Quieter turbo. failure prone STC fitting on the High pressure oil pump, weaker EGR cooler. More conservative software reducing power/mileage. Standpipes leaking. Smaller turbo ( see what I did there).
Probably missing a few things but those are the more common ones.
Hey, isn't this new?
There are those who still insist it's not a matter of "if" but "when" the headgaskets will fail on any 6.0 even with the majority of trucks going over 200k miles now and nowhere near 100% failure rate.
Good things about later models are better design high pressure oil pump. Bigger water pump and redesigned front engine cover. Coating on the fuel injector pintles. Relocated ICP sensor. No EGR flapper in the intake. No crossover at the rear of the intake manifold.
Bad things about later models are Quieter turbo. failure prone STC fitting on the High pressure oil pump, weaker EGR cooler. More conservative software reducing power/mileage. Standpipes leaking. Smaller turbo (
see what I did there). Probably missing a few things but those are the more common ones.
Hey, isn't this new?
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Lead Driver
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Cargo Master
Joined: Oct 2011
Posts: 2,958
Likes: 4
From: Denver, NC
I have a 2006 & she has a ton of AfterMarket parts including a dreaded Tuner 
Seriously though my Truck has 127k on it now & I've been running an Edge Tuner on it for 4 years, I should also mention I pull a 5th-Wheel & I've done all of this trouble free on the OE TTY Head-Bolts
What Iam trying to say is "if it ain't broke don't fix it"
Seriously though my Truck has 127k on it now & I've been running an Edge Tuner on it for 4 years, I should also mention I pull a 5th-Wheel & I've done all of this trouble free on the OE TTY Head-Bolts
What Iam trying to say is "if it ain't broke don't fix it"
Fleet Mechanic
Joined: Sep 2013
Posts: 1,303
Likes: 84
I've just turned 184K on mine. I have no clue how the previous owner treated it. I.have done all the maintenance to get a baseline. I tire with it every other weekend to every third weekend from spring to fall camping. Still on stock headbolts. I have no intention of replacing the head gaskets until they start to go. I do not run a tuner although I do have a 5" cat back exhaust and deleted EGR cooler.
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