1931 Pierce-Arrow information needed

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  • May 6, 2025 at 6:22 am #480948
    Author nameAuthor names are only available to PAS members.

    Hello David,
    Thanks for your time to post and share information on lubricating the 1931 Model 42 Pierce-Arrow. Your information is most informative. I would like to learn a bit more about what ZDDP is and how it affects engines and reliability. As I am a very new Model 42 owner, what is to be done regarding engine oil filtration?
    Al

    May 8, 2025 at 12:30 pm #480950
    Author nameAuthor names are only available to PAS members.

    Here is yet another question. This question involves what is correct and proper for the horn on a 1931 Model 42 Pierce-Arrow. I have seen some Model 42’s, in picture, with double chrome plated Bosch horns each mounted under the front park lamps, more like what a 1934-35 would look like. I have a horn bracket mounted to the top of the cylinder head on the Black Model 42 which is the subject of this chat. The horn that is fitted to the horn bracket on the cylinder head is a large Klaxon. I assume that the Klaxon is correct? But….are the twin Bosch horns also correct?

    Al

     

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