Posted by jdemaris on June 13, 2009 at 17:22:44 from (67.142.130.35):
In Reply to: Ford 7.3 Longevity? posted by John Harmon on June 13, 2009 at 16:42:53:
The 7.3 diesel has a "B-10" rating of 210,000 miles. That means that under hard use, 10% need major work at that mileage point, and 90% do not. It also has a B-50 rating of 375,000 miles (50% fail and 50% don't)." Keep in mind the "B" rating is for heavy use, not for a truck used like a passenger car.
My 85 Ford 6.9 diesel has 380,000 miles and it's never been apart. My 94 7.3 has 280,000 and never been apart. My 82 Chevy K10 with a 6.2 diesel has 260,000 and has never been opened up. I'll add that my 87 Chevy Suburban with a 6.2 diesel made it to 520,000 miles before it blew to pieces. Up to that point, it ran perfect and the engine had never been part. Had a few injector-nozzle changes, water pumps, etc. When I stripped it for parts, the crank journals, pistons, bearings, still looked unworn. But, the block was cracked at the main bearing webs and the crank broke into three pieces.
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Today's Featured Article - Good As New - by Bill Goodwin. In the summer of 1995, my father, Russ Goodwin, and I acquired the 1945 Farmall B that my grandfather used as an overseer on a farm in Waynesboro, Georgia. After my grandfather’s death in 1955, J.P. Rollins, son of the landowner, used the tractor. In the winter 1985, while in his possession the engine block cracked and was unrepairable. He had told my father
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