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  1. #31
    Join Date
    Mar 2021
    Location
    South Georgia
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    1,961

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    Quote Originally Posted by larry_arizona View Post
    False, it’s not a GM block. Mercruiser made their own engine.

    It’s a 6.2 liter v8 block that shares rods,pistons with their 4.5 liter V6.

    4.0” bore and 3.75” stroke

    GM 6.2l is 4.065 bore and 3.66 stroke

    Sent from my iPhone using Tapatalk
    I was referring to the Volvo block.

    Sent from my SM-G781V using Tapatalk
    2021 Moomba Makai
    Black Cherry Metal Flake & Fire Red
    Nibral OJ 15.5x15 Altitude/Wake prop w/1.76 trans v-drive
    Wet Sounds bow speakers & 10's on the Tower & ported sub

  2. #32
    Join Date
    Jun 2008
    Location
    Henderson, NV
    Posts
    7,028

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    Quote Originally Posted by larry_arizona View Post
    Or Mercruiser goggles as they are neither ford or Chevy.
    true but the mercruiser is a chevy knockoff. I know it's "different" but after using chevy products for years and years, they knew enough where to start and changed the bore/stoke enough to avoid patent lawsuits and removed all the emissions/direct injection crap that's not needed. guessing it also made them more profit not paying gm upcharge for blocks anymore.
    '06 Supra Launch 20SSV-gone but never forgotten

  3. #33

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    Don't forget about Ilmore which makes some of MC's engines. GM based inboards.
    2023 Moomba Max
    5,550lbs ballast | 1,000lbs lead = 6,650lbs
    2014 Moomba Mojo 2.5- SOLD
    Tow- 2002 F-350 Super Duty 7.3L PSD

  4. #34
    Join Date
    Dec 2020
    Location
    Boone NC
    Posts
    334

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    Could this not mean a stalemate in motor improvements though?
    PCM vs Indmar were the main competitors. I feel like maybe not at first but after some years there will be no need to improve they have the market fairly locked down.
    I don't see mercruiser coming out with a 600Hp motor unless it is that 8.2L V8 but MPG would be laughable I would guess

    The only advantage I could see is if you could option Indmar or PCM in your boat but I don't see that happening either
    Josh
    2021 Mojo, Sold 7/15/22
    2023 Supreme S240, on order

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