Quote:
Originally Posted by t walgamuth
We are in agreement.
The leaking oil from a failed or partially failed head gasket causes full or partial hydrolock.
Perhaps if one took the 3.5 motor and changed the head gasket every 50k preemptively it would run for 500K.
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50k may be too little of mileage, I'm seeing "replacement" engines around the 120-180k mark blowing through the gaskets. One of my personal vehicles (92 300SD), is running a non replacement engine at 300k miles. I did the headgasket at 180k with an increase in torque on the timing cover area bolts just to see what it'll do as an experiment. No loss to me if it fails, it see's a full throttle run every time the engine is started - so far it's going well. I'd like to get in that 180k mile range on the job to see if it'll hold up or if it'll be another statistic. The engine also has a hybrid turbo and pump turned up, so any stresses it sees are higher than standard.