Recent content by rmarlow

  1. R

    mercruiser 250 6 cyl. interchangable with ?....

    I have a mercruiser 250 straight 6 in a 82'Mark twain. It has a cracked block. Will an automotive GM 250 6 cyl. interchange? If not, is there something that will? Thanks for your time!
  2. R

    mercruiser 250 6 cyl. interchangable with ?....

    I have a mercruiser 250 straight 6 in a 82'Mark twain. It has a cracked block. Will an automotive GM 250 6 cyl. interchange? If not, is there something that will? Thanks for your time!
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