Reply To: Merc 4hp FW puller bolt size….

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January 4, 2022 at 1:35 pm #252343
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    My 1977 Chevrolet Caprice was all metric…I have an early 60s Lightwin made in Belgium. Conversion to metric began longer ago than you might believe.
    Spark Plugs and Zenith Model A Ford carburetor gas adjustment screw are metric because Albert Champion was French as was Zenith company.
    Lighttwin had an opening that did not seem to be metric or a US thread. Had to pay thru nose at OMC
    parts counter for correct part. The right thread screwed in easily. Everything else (metric or US
    would not.
    Mercurys are said to be weird, OMC seems to have
    some hard to understand aspects as well.
    Louis