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engine nuts and bolts - correct plating?

Discussion in '206/246' started by daviekj, Feb 16, 2009.

  1. daviekj

    daviekj Formula Junior
    Silver Subscribed

    May 9, 2008
    423
    While my engine is out and partially stripped I am cleaning up including replacing/replating some of the nuts and bolts. Should the nuts and bolts be zinc and yellow passivated or just sinc? Looking carfully at some of the protected parts of the nuts and studs that i have removed, they look yellow passivated, but not all.
    eg.
    The large bell housing nuts
    the differential casing
    the numerous studs and nuts.
    Kevin
     
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  3. champtc

    champtc Formula Junior

    Apr 18, 2004
    732
    Dave- did you ever hear back on this? I am in the middle of doing the same thing to my engine and am most curious. I have a long list of questions for OMG that I will post in a few days re his restoration. He will know that is for sure. Thanks
     
  4. daviekj

    daviekj Formula Junior
    Silver Subscribed

    May 9, 2008
    423
    Champtc,
    I did not receive a reply. However, after carefully looking at the inside of the orginal nuts and bolts with an eye glass, it was clear that they were zinc plated and yellow passivated. I have had all the studs, wahers and nuts replated in the same way. They look great.
    Kevin
     

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