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I don't doubt you that they exist I'm just unaware that such high mileage examples belong to anyone who posts here. Why would the 5-cylinder wear pattern be much different from the 6-cylinder? I've read posts from several 850-70 owners with excessive oil consumption, notwithstanding claims of careful service and frequent oil changes. So here we have anecdotal evidence with no 850 posters here with ultra-high mileage, several with excessive oil consumption and a very few with broken motors. Maybe it depends on the luck of the draw. Mine uses not a drop of oil between changes. In terms of service mine's been treated as well as Tom's 960 plus I know exactly what happened to mine since day #1. In any case, we'll all find out "in the fullness of time". Until a larger number of ultra-high mileage white motors accumulate, like B230FTs, it's all a question mark. We have an ongoing experiment. If mine makes it to 300,000 miles on the original engine block, I'll buy you a cyber-beer, Yannis!
-Phil Punxsutawney, '98 V70T5m, 88k Mobil-1 always, Sunoco Ultra always, Volvo Blue antifreeze only
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