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    4.3 thermostat housing: 6 hoses or 4 hoses? 1 or 2 sensors?

    Re: 4.3 thermostat housing: 6 hoses or 4 hoses? 1 or 2 sensors? Update on converting a 2011 Silverado 4.3 truck engine with 234 casting for marine use. Work is complete and engine is running smoothly: 1. could not find a Mercruiser timing cover that fitted, even the Model Number provided...
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    replace 4.3 in kind or upgrade to vortec with ramifications/problems?

    Re: replace 4.3 in kind or upgrade to vortec with ramifications/problems? Update on converting a 2011 Silverado 4.3 truck engine with 234 casting for marine use. Job is complete and engine is running well: 1. Could not find a Mercruiser timing cover that fitted, as the hole pattern were...
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    4.3L Oil pan torque sequence and torque, tech info needed.

    Any tech info on the torquing sequence and torquing required for this 2011 Chevy Silverado 4.3L that I am marinizing? I believe that the equivalent Mercruiser engine serial number is 1A1A063240 (2007) ? CURRENT Thank you!
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    4.3 thermostat housing: 6 hoses or 4 hoses? 1 or 2 sensors?

    :confused::confused: I'm upgrading my Mercruiser engine and intake manifold from a 1992 4.3 V6 to a 2011 4.3. I am reusing my 1992 electrical harness, my 1992 carb, and all other accessories. I got a new 8 bolt manifold to fit the 2011 4.3L Research and dealers of remanufactured and new...
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    replace 4.3 in kind or upgrade to vortec with ramifications/problems?

    Re: replace 4.3 in kind or upgrade to vortec with ramifications/problems? Thank you matt167 1st pix shows the thingamajig where my 92 distributor fits perfectly. My new cast iron marine manifold fits. 2nd pix show 2 electrical sensors next to harmonic balancer where my thumb and middle...
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    need Mercruiser serial # for 4.3L Truck engine to be marinized casting #12600234

    Just bought a 2011 4.3L V6 Vortec truck engine with 10k miles that I bought on ebay for $800 with delivery. Engine has casting #12600234 This Chevy#234 casting number is used as a Mercruiser, see casting number in heading and at bottom: http://engineguy.com/general-motors/...e-atkdmx1.html...
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    replace 4.3 in kind or upgrade to vortec with ramifications/problems?

    Re: replace 4.3 in kind or upgrade to vortec with ramifications/problems? f Thanks for the help. so here is a pix of the 2011 4.3L V6 from a truck. Questions: 1. What Mercruiser serial numbers should I be using when looking for parts? I found out that my 1992 circulating pump in the front of...
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    replace 4.3 in kind or upgrade to vortec with ramifications/problems?

    I have a 1993 Bayliner Cuddy Capri 2052 with 4.3 Liter LX, 4 barrels carb. The current engine is a 756 casting. Non-balanced shaft, external electric fuel pump. Long story short, I never replaced the manifolds and risers since 1993, water got in the cylinders, they got pitted after a year of...
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