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Thread: Synthetic Oil Smell

  1. #1
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    Synthetic Oil Smell

    Since synthetic gear oil is man made, why does it smell just like dino, it looks like that if it is man made they could make it smell a little better.
    Last edited by kskraye; 04-29-2015 at 12:29 AM.

  2. #2
    #13338 PGlaves's Avatar
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    Quote Originally Posted by kskraye View Post
    Since synthetic gear oil is man made, why does it smell just like dino, it looks like that if it is man made they they could make it smell a little better.
    It can be dino molecules modestly rearranged and still be called synthetic. Also, Coke is clear until they add the coloring because people expect Coke to be dark. And people expect gear oil to smell.
    Paul Glaves - "Big Bend", Texas U.S.A
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  3. #3
    Happily Bent dieselyoda's Avatar
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    Sulfur or is it Sulphur...................Calcium Sulfanate(?) is a common additive in gear oils.
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    Registered User lkchris's Avatar
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    The smell of gear oil is artificially added to discourage you from putting it in your motor.

    In addition, although the viscosity is basically the same as motor oil, the viscocity numbering system for gear oil is deliberately different, again to discourage you from putting it in your motor.
    Kent Christensen
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  5. #5
    na1g
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    Castor bean oil smells best.

    p

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    Registered User 36654's Avatar
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    Quote Originally Posted by lkchris View Post
    The smell of gear oil is artificially added to discourage you from putting it in your motor.

    In addition, although the viscosity is basically the same as motor oil, the viscocity numbering system for gear oil is deliberately different, again to discourage you from putting it in your motor.
    20/50 motor oil is the same viscosity as 80/90 gear lube? Or, are BMW bikes using ATF like their cars?
    Cave contents: 99 R11RS, 2013 Toyota Tacoma, 03 Simplicity Legacy, 97 Stihl FS75, Dewalt DW625 & DW744

  7. #7
    Registered User lkchris's Avatar
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    Quote Originally Posted by 36654 View Post
    20/50 motor oil is the same viscosity as 80/90 gear lube? Or, are BMW bikes using ATF like their cars?
    Pretty much. There was a BMW car manual transmission in the 1970s that used 20W-50 motor oil.
    Kent Christensen
    21482
    '12 R1200RT, '02 R1100S, '84 R80G/S

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