How safe are the "safe for TTY head bolts" tunes? - PowerStrokeNation : Ford Powerstroke Diesel Forum
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post #1 of 10 (permalink) Old 01-24-2018, 01:02 AM Thread Starter
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Question How safe are the "safe for TTY head bolts" tunes?

I recently picked up an SCT X4 tuner for the 05' F250 that I recently picked up. It was an older gentleman's, and it only got used it to pull his camper. It's still got the stock bolts in the heads, and it's got 200K miles on it, and looks brand new.

I went through it and did an EGR delete, put a new oil cooler on it, and replaced all of the standard "issues" (d-plugs, standpipes, sct fitting).

I picked up 3 custom tunes for the SCT tuner from Eric at Innovative...the Street tune, the Extreme Street tune, and the Towing tune w/brake. All are "supposed" to be ok for non studded motors.

I'm really easy on the gas, I don't hot rod my truck, but every now and then I'll mash the gas to the floor if I need to get in front of someone on the highway, or I'm passing someone. I don't drag race, or get on the gas hard for long duration's.

I'm just wondering.....how safe are those tunes for a stock TTY head bolt motor? Should I avoid running the Extreme Street tune and just stay with the Street and Towing tunes?

Any advice would be great! Thanks!!
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post #2 of 10 (permalink) Old 01-24-2018, 01:14 AM
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Re: How safe are the "safe for TTY head bolts" tunes?

Well, considering guys are blowing head gaskets with stock tuning. Then any amount of more tuning you do will just shorten the lifespan.

But thats just my theory. I do not personally own a 6.0l.
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post #3 of 10 (permalink) Old 01-24-2018, 01:29 AM Thread Starter
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Re: How safe are the "safe for TTY head bolts" tunes?

But aren't the large majority of the guys that are blowing stock head gaskets....also the same guys who have leaks in their EGR coolers that get steams/coolant into the cylinders......causing them to pop? I thought that the majority of the head gasket issues on the 6.0's were because of the cracked EGR coolers.......
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post #4 of 10 (permalink) Old 01-24-2018, 02:50 PM
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Re: How safe are the "safe for TTY head bolts" tunes?

yeah, i think mostly it's egr failures causing HG failures. BUT 6.0 HGs fail on their own out of the factory quite a bit too lol! 3 reasons: those TTY bolts, then the fact that there are less bolts per cylinder than other motors (4 vs 6), and finally... International designed the motor around 250hp tuning. ford bumped it to 325hp iirc and ka-pow!


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post #5 of 10 (permalink) Old 01-24-2018, 03:43 PM Thread Starter
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Re: How safe are the "safe for TTY head bolts" tunes?

The truck I picked up has 216k miles on it.... still had egr cooler on it, and stock TTY bolts. Did the previous owner(s) just luck out?.....or would a shop ever replace the HG's and put new TTY bolts back in?? I didn't see anything on the Oasis report.....but who knows. Is that uncommon for them to go 200k+ miles without popping the EGR cooler and/or HG's? That's the one thing I hate about used vehicles.....you never really know the history unless the owner kept good records.
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post #6 of 10 (permalink) Old 01-24-2018, 05:24 PM
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Re: How safe are the "safe for TTY head bolts" tunes?

they could have lucked out! rather they were good about maintenance and didn't hot rod!

and yes, the dealership will put stock TTY head bolts back in it unless you give them a set of studs. at least that's what happened to mine, the previous owner let ford do a head gasket job and they put stock bolts back in.


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post #7 of 10 (permalink) Old 01-24-2018, 09:24 PM
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Re: How safe are the "safe for TTY head bolts" tunes?

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Originally Posted by IQRaceworks View Post
But aren't the large majority of the guys that are blowing stock head gaskets....also the same guys who have leaks in their EGR coolers that get steams/coolant into the cylinders......causing them to pop? I thought that the majority of the head gasket issues on the 6.0's were because of the cracked EGR coolers.......


On stock trucks, yes. I blew mine with the EGR deleted running Ericís ďsafeĒ tunes. Granted, I put 30k miles on it before they let go, and I didnít dog the crap out of it either. But still, the day you tune it is the day you need to start making plans to stud it. Itís not if, but when. No one has ever tuned these things and continued to ďdrive it easyĒ. Once you feel that extra power, the disease sinks itís teeth into you.

You might make it a year, a week, or you might push coolant the first time you stand on it. If you have no intentions to have it studded in the foreseeable future, stay with stock tuning.

Just my opinion....it is what it is. Iíve already studded 2 of my buddies 6.0ís that decided to tune them, against my warnings. One made it 2 months, the other about 6. Although, they both drive like maniacs.


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Studded, deleted
5" straight piped
155/30's
KC Stage 1.5
Reg return
Beans sump to the stock pump
BPD FICM
Tuned by several...depends on my mood for the day.
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post #8 of 10 (permalink) Old 01-28-2018, 04:21 AM
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I say throw the big tune on it and drive it like a banshee until it pops. Then it will give you a reason to get it studded. Then after that youíre covered on the tuning. Itís going to go anyway once you tune it, just a matter of time.
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post #9 of 10 (permalink) Old 01-29-2018, 11:48 AM Thread Starter
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Re: How safe are the "safe for TTY head bolts" tunes?

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I say throw the big tune on it and drive it like a banshee until it pops. Then it will give you a reason to get it studded. Then after that youíre covered on the tuning. Itís going to go anyway once you tune it, just a matter of time.
THe problem is that 90% of the time, this truck is going to get used to pull the boat to the lake, or the camper across the country. Two times that I really DON'T want to be stranded with HG issues. It's gone 13yrs and 216K with the stock HG's pulling a 5th wheel (previous owner).....so I think I'll just run a towing tune that just messes with the transmission. I'm sure it will hold together a little longer
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post #10 of 10 (permalink) Old 01-29-2018, 12:51 PM
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Re: How safe are the "safe for TTY head bolts" tunes?

For what you want and need the truck for, I think that's a wise decision. Just keep in mind, it can still happen at any given moment....tuned or not. Most tow tunes still add a little boost, a little fuel, so you will still be increasing cylinder pressures. Unless you get a tune that is transmission only....meaning it only adjusts the shift points. And not all tow tunes are the same. I have 2, and one of those I never run because my EGTs get hot quick, and I don't like watching a pyro the whole trip. The one I use all the time is tits. Perfect balance of power and shifting, and EGTs are kept in check too. Now, I'd never recommend the guy that wrote it for me...his customer service is useless, and I've spent a TON of coin with him. "I got your money, now be gone"

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2005 F350 CCLB Dually
Studded, deleted
5" straight piped
155/30's
KC Stage 1.5
Reg return
Beans sump to the stock pump
BPD FICM
Tuned by several...depends on my mood for the day.
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