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    1992 Mercruiser 4.3 w/ balance shaft and 1 piece rear main seal swap to newer year Vortec.

    My boat is a 1992 Bayliner 2252 cabin cruiser. I was wondering about a motor swap and wanted to know what Mercruiser is best to fit my current 1992 Mercruiser 4.3 w/ balance shaft and 1 piece rear main seal. I would like to use all the current accessories because they are new. Trying to get...
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    1992 Mercruiser 4.3 w/ balance shaft and 1 piece rear main seal swap to newer year Vortec.

    Will the distributor as well?
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    1992 Mercruiser 4.3 w/ balance shaft and 1 piece rear main seal swap to newer year Vortec.

    Will my current manifolds be able to swap to the new Vortec heads? Will my Mercarb 2 bbl work on the Vortec heads too?
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    Where to get 1992 Mercruiser 4.3 solenoid plastic cover?

    Thank you!
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    Where to get 1992 Mercruiser 4.3 solenoid plastic cover?

    It's black, semi hard plastic, and rectangle shaped.
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    Where to get 1992 Mercruiser 4.3 solenoid plastic cover?

    Does anybody know where I can get the plastic part that covers the solenoid wirings mounted on the starboard side manifold?
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    1992 Mercruiser 4.3 Alpha One Gen II has water in oil after rebuild.

    Thank you for all your replies. I contacted the machine shop that rebuilt the heads for me and they were able to get me a replacement.
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    1992 Mercruiser 4.3 Alpha One Gen II has water in oil after rebuild.

    Found out today the starboard sided head on the the #6 cylinder had a crack between the valves. Can't seem to find a replacement for head w/ casting #10144103. I was able to find one on Ebay w/ casting # 10238181 but not sure if it will fit. Please advise if it will work because it looks the...
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    1992 Mercruiser 4.3 Alpha One Gen II has water in oil after rebuild.

    Same marine.
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    1992 Mercruiser 4.3 Alpha One Gen II has water in oil after rebuild.

    Bought new exhaust manifolds and risers at the time of rebuild.
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    1992 Mercruiser 4.3 Alpha One Gen II has water in oil after rebuild.

    Motor was not at TDC.
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    1992 Mercruiser 4.3 Alpha One Gen II has water in oil after rebuild.

    My apology. I did the following for the pressure test: Drained water from exhaust manifolds Could not drain the block because the drain plug was hard to get to Drained oil from pan Plugged the hoses that connects to the exhaust manifolds and risers Blew air in to the water intake hose at the...
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    1992 Mercruiser 4.3 Alpha One Gen II has water in oil after rebuild.

    Locked up.
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    1992 Mercruiser 4.3 Alpha One Gen II has water in oil after rebuild.

    Thank you for your reply. I had replaced all the gaskets and got mew exhaust manifolds and elbows too.. However, during the install for the intake manifold gaskets, I had them backward. I had them where the water that comes from the thermostat housing enters heads were blocked by the blanked...
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    4.3 mercruiser water in oil! Am i paranoid?

    I have the same problem and trying to do a pressure test. Does the motor have to be at TDC for the test?
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    1992 Mercruiser 4.3 Alpha One Gen II has water in oil after rebuild.

    The boat is 1992 Bayliner Classic 2252 that has 1992 Mercruiser 4.3 with 1 piece rear main seal. I got water in oil after rebuild. Changed oil 4 times and still has water. Motor was frozen when I got the boat. Tore down the motor and there was water in cylinder #4 & #6. Had a machine shop...
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    1992 Mercruiser 4.3L 262 CID Pre-Vortex Back Fires

    Thank you Lou! I was guessing it was the valves adjustment too because when I did them, all I did was bottom them out and backed out a little. I thought they were the torque type for the year of my boat (1992 Mercruiser 4.3L). Had a hard time starting so I backed out more until it was able to...
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    1992 Mercruiser 4.3L 262 CID Pre-Vortex Back Fires

    Backfires through the carb.
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    1992 Mercruiser 4.3L 262 CID Pre-Vortex Back Fires

    1992 Bayliner 2252 w/ 1992 Mercrusier 4.3L keeps on backfiring. Just rebuilt the motor. Could be valve adjustment too tight or timing is off? Please assist w/ troubleshooting.
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    Can't find 1992 Mercruiser 4.3 Pre-Vortex intake manifold

    JB Weld it?
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