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  1. J

    90hp v4 crossflow to 140hp build

    Where these carbs any better or worse than the normal carbs?
  2. J

    90hp v4 crossflow to 140hp build

    Wow thanks. You learn something new everyday. Then I will put them back.
  3. J

    90hp v4 crossflow to 140hp build

    I have been all across the interwebs, and it seems to be a hot debate with regards to the bubble back exhaust system. Some say cut the web out, some say don't. Some say the stuffers are a nessety and some say it will give a little more rpm. Still on the fence about wich way to go. As for my...
  4. J

    90hp v4 crossflow to 140hp build

    Thanks for the info. Finding these engines here in SA is a roll of an expensive dice. Most have been butchered and or beaten on. Part of why I am in my current state with my engine. Used parts are also crazy expensive if you can find them. I will check my Reeds measurements this evening and if...
  5. J

    90hp v4 crossflow to 140hp build

  6. J

    90hp v4 crossflow to 140hp build

    Thank you Jimmbo. I appreciate you're imput. Weirdly enough my 90 had the bigger carbs and intake stuffers in it. As for the year on the 140 I don't know either. I am aware of the ports needing to be modified to get to 140 spec. How ever since the hole shot will suffer I don't think this is the...
  7. J

    90hp v4 crossflow to 140hp build

    Hi All. Just found and joined iboats. I hoping to find some info from the guru's. I am from sunny South Africa. Where anything boat related comes at the cost of a house. That said I got a fiberglass bass boat and had to rebuild it from the hull up. Got a johnson v4 crossflow 90hp on it and...
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