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  1. 17mattc1998

    4.3 Vortec Swap

    Yep everything swapped right over to the new motor I was able to use all the old accessories from the motor that was in the boat on the new motor. I just made sure the block casting numbers were the same
  2. 17mattc1998

    4.3 Vortec Swap

    Well I did some of that I actually have it in the boat running now I bought it in the spring thinking I could get it done in time to get it on the water this summer but I couldn’t and now I just finished it up and got it running. I ended up using the heads still on it and just replaced the...
  3. 17mattc1998

    4.3 Vortec Swap

    I’m trying to post on my phone and it doesn’t work the greatest. The picture I posted is of the original engine, it was cracked in the valley and the intake was also cracked. I ended up pulling a motor out of a 2002 Astro van.
  4. 17mattc1998

    4.3 Vortec Swap

    I’ve gotten a lot of great help off of this forum and wanted to share what I’ve been working on, a 4.3 MerCruiser to 4.3 be Vortec swap. I finally got the timing right and it runs great.
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