Anyone trash their 6.7? These motors seem to be pretty tough and I have never heard of anyone tuning and killing the motor. I was actually thinking of getting a tuner but I do not want to do any other mods. I want to keep truck factory other than tuner. Not a big fan of dumping all that crap in the air we breathe lol.

 

Save your money. Tuning these trucks is overrated. It's a truck not a Mustang. If you want to go fast than buy a sports car

 

Lol YES! Best response ever.

And op, there are plenty of reports out there of people trashing their engine due to mods. There are plenty of reports of people "trashing" their engine due to tunes. Here's one on video complete with engine teardown diagnosis:

 

And if mods or a tuner does trash your engine, don't count on it being fixed under warranty. The automakers have become quite proficient at detecting when a failure happens due to the engine making more power than it was designed to make. It's really not that hard to collect that data.

 

Agreed. We don't buy a truck to race around we have the toy for that. I hear all about the tuner saving fuel and how much people love it. Personally a few trips to the mountains but mostly local driving I don't see the benefit. Save what a mile or two per gallon but spend $1000 bucks on a tuner? Think I'll stay factory. Thank's for the input

 

Great Video Braggs. Thank's

 

I have run H&S's HOT tune on my 2011 for almost 8 years and 200,000 miles.
497 hp / 1044 ft-lb on the dyno, at the rear wheels.

No engine issues. I did blow a couple of turbos.

Not much for fuel savings

 

The answer is..... it depends.

First, are you talking about just the engine or the rest of the components and parts such as turbo, DPF, etc? If you're just talking about the engine alone, sure a well designed tune most likely wouldn't have an impact. A bad tune can be catastrophic.

But your post mentioned keeping everything stock. There are numerous problems with tuning a stock 6.7L, and I'll explain. First the DPF system is designed to handle the soot and regen from stock calibrations that have been carefully engineered by Ford. Aftermarket tuners making adjustments to the fueling, timing, and injection pressures to create more power are also changing the amount of exhaust and soot introduced into the bone-stock DPF system. This system often times cannot compensate for these changes, and most likely you'll eventually end up with numerous DTC's and/or premature DPF failure.

Another system to account for is the EGR, which on the 6.7L is the most robust EGR system to exist in a Ford yet. However, as nice as it is, this system is also not immune to tuning changes. Then of course you have the turbo, which can often fail due to continual overboosting with a more powerful tune. Turbo failures with tunes are actually fairly common on these trucks.

Here's the thing.... warranties aren't affected by modifications until it's determined that the modification is what caused the problem. So you can literally do whatever you want to the truck and still carry a warranty. But if you tune and you end up with DPF issues, EGR issues, a popped turbo, or anything else that is related to tuning, then at that point your warranty won't help at all. Also as Mark pointed out, don't bother trying to remove the tune in the event of a problem and try to get it covered by warranty. It's common (and easy) for dealers and repair shops to find evidence of tunes even if they are removed. My advice is that if you plan to keep the truck stock, don't tune.

 

That video that Bill posted is from December 2015. When he talks tuners, he is talking about a company like H & S who did full delete 200hp race tunes. He also mentions Spartan which is still around; full name is Spartan Diesel Technologies. I'm no expert in this but I've done enough looking around online to know enough to mention it. These were the guys who would have their customers sign a liability waiver stating that they would only use these tunes for off road trucks only because of the EPA, but don't quote me on the exact words there. The EPA went after H&S Performance and CARB had a lawsuit also. H&S Performance became H&S Motorsports which is open today but do not offer tuning anymore. I recently found this online:

https://www.arb.ca.gov/enf/casesett/hands.htm

These tunes would advance the fuel and timing so much that it went beyond what the motor could handle besides being totally illegal. Like Bill says, when it made power it was great. But when all this power stressed the factory parts past their capability, they blew up . Bill from powerstrokehelp.com is a friend of Jody Tipton from DP-Tuner.com who is also from Georgia. Jody does tuning but does it with the emissions INTACT. Jody also sponsors forums here, this very forum as well as the 99+ 7.3 Powerstroke forum. There is also 5Star Tuning as well who sponsors the Modular V10 or 6.8 Forum in the performance section. Those are the ones I have considered. These guys do tune the trucks but do it responsibly and they are legal because the DPF "rocketship" stays on the truck as well as the EGR system. They also tune the transmission as well because the shifting strategy in our 6R140 slushboxes is not the best. They also offer a trans tune only. With those tunes, I imagine if you kept your foot out of it and with the improved shifting, you would probably gain miles per gallon with the new power and better 6R140 shifting.

While I do see and agree with the sentiment of possibly violating the warranty with tuning if there was a problem, if you use a responsible tuning company like DP Tuner or 5Star that doesn't hotrod the truck, do the maintenance on your truck, watch the PIDS with a digital monitor so you can observe what the truck is doing and don't beat the truck, chances are you will be just fine.

There is a myth perpetuated by what the full delete race tuners did and their engine mishaps because race tunes advance fuel and timing to the full hilt. When you see black smoke coming out of the tailpipe, that's unburned fuel which is just like throwing dollar bills out your window as you cruise down the highway. For a committed pull truck or tractor where the engine is taken apart often and parts replaced, fine. But for a daily driver or highway tow vehicle, negative. When people hear tuning, they think deletes and black smoke. I am against deleting because I would worry about a local officer, state trooper or a federal officer when out of state. Also because I don't want to blatantly void my warranty and be totally illegal. I believe the days of the deleted trucks is numbered. The DPF equipped diesel trucks are the way of the future. There was a local guy here in my area that got a ticket for having a deleted 6.7 PSD. He now drives a new gen Super Duty. I have yet to talk to him.

If you go on Facebook, you'll find a ton of guys who deleted their trucks on the 6.7 pages. There are also many guys that advertise they sell delete kits and sell delete tunes. I can't imagine that the Feds DON'T take notice. I'm sure just because you have a deleted truck, doesn't automatically mean you will blow your motor. It just means you are illegal as hell and may have to pay for that at one point ($$). Too many people out here think that deleting is the answer. I don't. It's the law. I don't like it but it is. Do I like burning having to BURN MORE of a nonrenewable source of fuel to stay legal? No. I'm for clean air but it's definitely more expensive. Just my 2 cents.

There is also Calibrated Power Services and Innovative tuning as well as Edge Products. Good luck with your decision.