This causes unacceptably high cylinder pressure, the TTY head bolts stretch due to the add'l pressure and there go your head gaskets. Again the high combustion temps cause the coolant to vaporize. Now the egr cooler is leaking coolant into the intake manifold which then runs into the cylinders. The problem gets worse, the pressure causes the egr cooler to rupture. Your uninformed Powerstroke owner is not monitoring his coolant temps and oil temps so he doesn't know whats going on and he keeps driving it this way. The limited amount of coolant in the egr cooler flash boils causing high pressure in the cooling system and the truck pukes coolant from the degass bottle due to the pressure. Now the egr cooler doesn't have enough coolant to carry off the heat generated by high EGT's. As the cooler clogs up it restricts coolant flow to the egr cooler. This crud gets caught up in the tiny coolant passageways of the oil cooler. They break down into a gell like sludge and fall out of suspension. The silicates are not able to handle high EGT's generated by a good load or relatively high boost when they run through the EGR cooler. The Ford Gold coolant contains silicates. Yes the 6.0 is known to blow head gaskets. There are trucks all over the place running 400-420 rwhp with 750-800 rwtq all day long without problems. Any good tuner (person writing your tunes) is not going to give you a tune that is going to tear up your truck. So, my question os: CAN THE 6.0L HANDLE THE BULLYDOG GT DIESEL TUNER (MODEL #Bullydog Diesel Triple Dog GT Diesel Gauge/Tuner (40420)Bullydog Diesel Triple Dog GT Diesel Gauge/Tuner (40420)? Thanks for your opinion. I am not sure if iut was the type of Bullydog he hooked up or if it's just the Bullydog in general. The previous owner stated that when he hooked up a Bullydog to the truck, it went thru injectors like candy (all of which he had Ford replace because he programmed the PCM back to factory and it was still under warranty!!). However I have heard that running a Bullydog on my Ford F-250 with the 6.0L can cause issues. I ran a Bullydog Diesel Triple Dog GT Diesel Gauge/Tuner (40420) on the Dodge without any problems. Anyways, I love the For F-250 to death and would never go back to a Dodge. I was a bit hesitant after all that I have read regarding some of the problems the 6.0L had however I had the opportunity to speak with the previous owner of the F-250 and learned that this guy meticulously maintained the truck and never had any issues. I recently traded my '08 Dodge Ram 3500 6.9L Cummins in on an awesome and well maintained 06 Ford F-250 with the 6.0L PSD motor. Please forgive me if I am not using this forum right.
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