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  1. G

    Could someone with OMC engine swap knowledge assist?

    I through a rod in my 1989 4.3L OMC cobra I/O powered 18' galaxie. I have a complete 350 that I was thinking about building and putting in the 4.3's place. I've heard the upper gear is lower in the OMC v6 outdrive. If i install the 350 could I fix this by propping the boat different or will I...
  2. G

    delete

    sorry
  3. G

    4.3L to 5.7L OMC engine swap, is it worth the extra effort?

    As I stated in an earlier post, I through a rod in my 1989 4.3L OMC cobra I/O powered galaxie. I have a complete 350 that I was thinking about building and putting in the 4.3's place. I've heard the upper gear is lower in the OMC v6 outdrive, could I fix this by propping the boat different or...
  4. G

    4.3L blocks and year compatability

    I have a 1989 4.3L OMC cobra io. The engine threw a rod and i am looking for a short block to rebuild. I've been told that any rear wheel drive GM from 1987 to 1991 will have this block. Is this true? and do the auto engines rotate the same? I've found an 84, will it work?
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