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Power Strokes
7.3 Tech
Is Rotella really bad on a 7.3?
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[QUOTE="Malyfarms, post: 1435802, member: 24115"] Used to run rottella in my 97 7.3 right after I bought the truck. Started great when I bought it. First oil change with rottella and it started hard all the time. Would also smoke white and grey on start ups. I checked glow plugs relay and everything tested perfect. I kept running that way thinking nothing of the oil. About a year later my cousin mentioned the rottella myth going around. So not having anything else to try I went to Deere plus 50 15/40 because that's what we had at the shop and a day later it was noticeably better. Ran mobile 1300 in it after that for the rest of the time I had the pickup and it started perfect just like it did when I bought it. Something in the high pressure oil system didn't like it. Never heard much else about problems with rottella though... [/QUOTE]
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Is Rotella really bad on a 7.3?
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