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Message: [QUOTE="Charles, post: 462062, member: 103"] Pretty much. Bad fuel, dirty fuel, water in fuel, old oil, foamy oil, no oil, hitting poppet valves so on and so forth. 9 times out of 10 with EXTREME lack of maintenance the 7.3 will either just drive right on down the road like nothing's wrong, or at the very least limp along for weeks or months at a time until you can pull it in and fix the problem. It's much more likely that they will bring the load home rather than lay over on the side of the road. Just last week one of our guys was giving me all kinds of hell about his truck losing power. With the truck being a couple hours away from me I was giving him the general rundown on checking fuel flow and such. He called me a few days later because it had eventually gotten down to the point where it would only idle and just barely pull around after weeks of getting worse and worse. After verifying fuel flow and about two seconds of cranking it was obvious it wasn't making any ICP. The IPR was plugged in, nut securely on the IPR and with the ICP sensor unplugged still nothing. I had already asked him before we even started if it had plenty of oil. At this point I told him to check the oil, and after a lot of bullsh*t about how he had already checked it he pulled the stick just to show me... and there was nothing on it. After a little over 3 GALLONS of oil went in, it was back on the stick, lol. Fired right up and ran like a top. I told him he might as well toss a new filter on it now cause he was on brand new oil. Point being.... it just kept on, and kept on, then when things were totally unmanageable, it saved itself before bearing annihilation and shut itself off. That's not an outlier when it comes to the 7.3. Things like that when it comes to coping with extreme lack of maintenance are not the exception, they are the norm. It doesn't make crazy power in stock form, but it can be turned up to the power of a stock 6.0 or 6.4 VERY easily, and at that power level will be far more likely to provide excellent service day in and day out, truck after truck. The others are very hit and miss. And when they miss, they seem to miss pretty hard. Like, new longblock kind of hard. [/QUOTE]