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Just had a truck come through the shop with a blown head gasket. My boss built the engine about two years ago, did studs, delete, and put a tuner on it. The old guy who owns it has been running it on his ranch since then, hauling hay and cattle. It started overheating, blew the water pump, but kept having issues and was found to have a blown head gasket.
The root cause is that he cranked it up to the street performance setting and routinely grosses 30k+. He lives on the other side of Ladd Canyon, it's a quite steep long grade that usually has a truck broken down at the top, well he brags about running that grade at 60+ nearly daily. The day it finally really failed he had just gone across the scales at 43k.
So, if you bulletproof try to keep some level of sanity to tuned towing.
Extending lifecycle, increasing reliability, and minimizing failure risk are realistic possibilities. Short of spending millions toward over-engineering, there is no way to bulletproof any piece of machinery so that it can never break. Especially an internal combustion engine, and especially the 6.0.
Doesn't sound like the "bullet-proofing" failed. More like operator error. I've heard of trucks failing after gaskets/studs were done, but it does become a question of whether or not other factors (such as above) played into the failures.
Like everyone else , I don't think the engine failed as much as the owner went out of his way to kill it. The fact it lasted 2 years under such abuse is amazing. 43K gross is just a bit extreme, I routinely pull 16k to 20 k with a 2011 6.7 and I think that it as much as I'd like to be dragging behind me.
Rezvani's Latest Post-Apocalyptic Monster Is a Ford F-150 Raptor Underneath
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