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  1. T

    changing 2.3L to 4.3L???

    I have a 1991 2.3 cobra motor in my boat now and would like to put a 4.3 mercruiser in it,is this possible ??????? Thanks Mike
  2. T

    will a 4.3 be put in inplace of a 2.3??

    I have a 1991 boat with a omc cobra2.3 litre in it and would like to know if a 1985 4.3 V-6 mercruiser would fit? any thoughts would be appreciated thanks.....Mike
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