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Thread: Defeating 15 % ethanol

  1. #61
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    Quote Originally Posted by Fastjeff57 View Post
    Trivia question: Who developed knock sensors, when and why?

    Jeff
    I'd be guessing saying Bosch
    piezo crystals have been around a long time

  2. #62
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    The Buick Motor Division developed them (and distributor-less ignition) for their turbo V-6 Grand National cars in the mid-70s.

    Jeff

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    I was gonna say around 80-81 by GM but I didn't know the GNX was the test bed for it. I do know that was right around the time that the RON numbers dropped quite a bit in the fuels available though.

  4. #64
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    Quote Originally Posted by Powerabout View Post
    My father worked on the mustang line in oz doing the pre flights before delivery
    We built 200 mustangs
    Per online abbreviations - would 'oz' be Australia?
    " Three may keep a secret if two of them are dead" Ben Franklin
    " ------- well Doctor what have we got a Republic or Monarchy? A Republic he replies if you can keep it"
    Benjamin Franklin, 1787 Constitutional Convention, as recorded by signer James McHenry's in his diary at the Library of Congress

    Location: SW Orlando, Fl

  5. #65
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    Apparently Buick was desperate to keep their turbo motors from detonating (and becoming warrantee nightmares). They found that, with knock sensors, much more boost could be tolerated, which produced a spectacular car for that period.

    Jeff

  6. #66
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    Yeah they were running pretty decent boost numbers especially for the time. It's crazy that the quickest thing on the road back then averaged about 200hp throughout it's glory years with 245 being the most it ever came with in 1987.

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