Didn't blow. I pulled into the drive way, and felt the motor shutter and bog down while stopped and so I shut it off. Re-started and rattle rattle rattle. It sounds like a rod but later we said screw it, lets move the truck and trailer out of the way. I dropped it into 4 low, lots of power, smooth and then it runs rough and noisy. I pulled into the new shop area and the engine had quieted down. It either broke a valve spring like an Isuzu I had did once, or a lifter collapsed. Normally with a rod knock, when you rev it and left off, it gives a double knock. This only does it when you rev it and it moves with the RPM of the engine.

I swear, this place is cursed. Every time I or someone else pulls into the driveway, something breaks.