Originally Posted By: G35_TX
Anyone here who says using a High Mileage oil is a load of crock or waste of money has no clue what they are talking about. ...
Yeah, High Mileage (Defy) oil stopped the weeping seals on my father's Taurus. If extra seal conditioners are a "crock", then tell API that since they upped the seal conditioners in SN-rated oils...
Originally Posted By: jongies3
I personally believe High Mileage oils are a load of crock.
Specifically, why? They DON'T have extra seal conditioners? Aren't mostly syn-blends? You're entitled to your opinion but something tells me you haven't thought it out...
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If you want to spend that kinda money on High Mileage you might as well just keep using synthetic.
Or use a fully synthetic high mileage oil? Again, what is "that kind of money on High Mileage"? How much more is High Mileage oil costing? A $1 more for a 5qt. jug over conventional? Most have good rebates of $5-$10 (Defy and MaxLife) available making them LESS expensive for a syn-blend over a conventional...
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High Mileage oils are marketed at vehicles with over 75k miles, 75k miles isn't even considered high mileage anymore in modern engines! That was back in the day when the average engine only lasted 100k miles and was shot. Now, engines are lasting 300k or better.
Of course it isn't, but the 75K marketing thing came out in the mid-90's with the first High Mileage oil, MaxLife, when people still thought going past 50,000 miles on an engine was a bit iffy. It was the happy medium between the marketing people at Ashland that wanted to put 50K on the bottle and those that thought 100K was more realistic as "high mileage". They've continued with it ever since. I agree that anything before 100,000 miles is not really High Mileage. But Silly marketing and hype doesn't make an oil product-lineup or choice a "crock" or else ALL oils would be a crock!