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  • Mako 236 power options

    Here is a question for all of you Mako historians. Was the 236 inboard ever available with a 7.4/454 power option from the factory?

  • #2
    I think the answer was yes. I believe my 236 came from factory with a 454. I'm not the original owner though.

    From what I can tell the the original inboard 23, then the 236 were offered with a 305, 350, 454 and a few maybe had factory Volvo diesels.

    I have seen them with the above and also refits with a cummins 6BT. I have a ford 351 in mine.

    If someone figured out how to shoehorn in a 6BT then just about any engine should fit.

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    • #3
      I think Headcase is correct but you can post in the Mako History Q&A and the son of the founder of Mako, Brett aka TrippleBogey, checks in periodically and answers questions.
      1978 Mako 25 - Blind Hog
      1985 Mako 20c - sold
      Fort Walton Beach, FL
      http://www.classicmako.com/forum/top...TOPIC_ID=42841

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      • #4
        305/350/Ford 351/Chrysler 360 are the only motors I've ever heard of coming from the factory in a 23/236. Never heard of one having come out of the factory with a 454. The fuel burn alone with EFI is insane, never mind with a carb.

        Here's a thread about BB's in the inboards: http://www.classicmako.com/forum/top...TOPIC_ID=51915
        1975 Mako 26 Inboard[br]1976 Mako 23 Inboard[br]1984 Rhodes 19[br]Padanaram, MA

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        • #5
          My 1974 23 Inboard apparently came with a Mercruiser 225hp 302 Ford. It was period correct and RH rotation.

          I recently re-powered with a FWC 302 Ford LH rotation engine using a combination of Mercruiser & PCM equipment.

          A Cummins 6BT would never fit in a 23 Inboard, maybe a 236? It is too long. I didn't even have room for a crank driven raw water pump. The forward bulkhead is in the way. I had seen a 23 Inboard advertised for sale with a 4BT.
          1974 Mako 23IB[br]Pittsgrove, NJ

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          • #6
            quote:


            Originally posted by Fins Up


            My 1974 23 Inboard apparently came with a Mercruiser 225hp 302 Ford. It was period correct and RH rotation.


            I recently re-powered with a FWC 302 Ford LH rotation engine using a combination of Mercruiser & PCM equipment.

            A Cummins 6BT would never fit in a 23 Inboard, maybe a 236? It is too long. I didn't even have room for a crank driven raw water pump. The forward bulkhead is in the way. I had seen a 23 Inboard advertised for sale with a 4BT.


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            • #7
              I have a 1975 23 IB that originally had a Chrysler 318 4 bbr. I repowered last year and was looking at merc's but then I would have had to rewire throughout. Ultimately I stuck with the Chrysler and had a 440 built from ground up. Since I went from approximately 225 hp to 330 hp I had to also swap out the running gear. The quote to for a 383 stoker in the boat was like $20k. Approximately $10k for the engine and $10k for the installation which included a complete rewire. It's new technology but ultimately I went with the Chrysler which was like $12K in the boat. But to answer you question on the first generation 23 IB's there were only 3 engine choices 185, 225 or 250 hp by Chrysler.
              quote:


              Originally posted by southport tommy


              quote:


              Originally posted by Fins Up


              My 1974 23 Inboard apparently came with a Mercruiser 225hp 302 Ford. It was period correct and RH rotation.


              I recently re-powered with a FWC 302 Ford LH rotation engine using a combination of Mercruiser & PCM equipment.

              A Cummins 6BT would never fit in a 23 Inboard, maybe a 236? It is too long. I didn't even have room for a crank driven raw water pump. The forward bulkhead is in the way. I had seen a 23 Inboard advertised for sale with a 4BT.



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