was a message I remember seeing on the back of cars years ago, each time my dad had major work done on the engine, or a brand new car, you had to "run the engine in" i.e. take it slow and let the new engine bed in.
never see it anymore, just wondered why you no longer have to "run in"?? |
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By (user no longer on site)
over a year ago
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Running in was necessary when manufacturing tolerences were less than they are today. Engines were run in gently to make them last longer.
It is no longer done these days as engines are not built to last as long, and the manufacturing tolerances have got better, as has oil technology, so engines wear less anyway. |
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By *iewMan
over a year ago
Forum Mod Angus & Findhorn |
i remember a work colleague driving from Glasgow to Inverness in his first company car, he could remmeber his dad speaking about running in his car.
He never went over 50 the whole road in his brand new BMW |
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By (user no longer on site)
over a year ago
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Probably more to using only Plain White Metal bearings, everywhere - as well as poor tolerancing - tolerance too big, not too small. Small tolerance, means accuracy...! Rolling Element bearings are much more tolerant - they only need a bit of oil....  |
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By (user no longer on site)
over a year ago
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Gawd!! I struggled in the days before power steering! Trying to do a 3point turn or u-turn was a nightmare!!
My wrists seem to be a lot stronger since joining fab though - no idea why!!  |
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