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    More Spark Plugs (4.3 Cobra)

    Hello All,<br /> I sent my heads out to be done for my Cobra 4.3 and they came back plugless. I have no idea what was in there however I think they where AC plugs. Can someone tell me what I should be running? This would be greatly appreciated. Also,<br />The gasket set that I got had the...
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    Help! 4.3 Lean or hot on #5

    Help please! My OMC cobra 4.3 has been running very hot or :mad: very lean on cylinder # 5. The others look fine. With the heads off the combustion chamber of # 5 looks much lighter in color and the electrode on the plug has burned away. I have honed the cylinders and will replace the rings...
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    Toasted plug

    I have the heads off of my OMC Cobra 4.3 and one plug has the elctrode burnt off plus that cilender has been running a lot hotter / leaner than the others. This is a carberated engine and the mixture looks good on the others. What would cause this one to run very laen or very hot in comparison...
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    OMC 4.3 rings / bearings

    I have my OMC 4.3 V6 apart now and want to ask if there is any difference in the Chevy piston rings and rod bearings in comparison with the OMC parts? In other words, can I pick up piston rings and rod bearings from the local parts place or do I need to get the OMC parts? I know that the heads...
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    OMC 4.3 broken rings?

    I have finaly found time to remove the right side head from my OMC 4.3. I am not sure of the year of the engine but it was installed in "94". prior to this I did a comp. test to find that the rear cyl. on this side had no compression. The others looked okay. Now that I have the head off, I can...
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    no compression in #5 on V6

    Okay,<br /> I have finaly removed my exhaust manifolds on my OMC 4.3 V6 and they look fine. I pulled the plugs to do a compression test and the plug from #5 was missing part of the electrode. So I did a compression test. All of the other cylenders looked good but #5 was very low (10 psi max). I...
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    Outdrive up Cooling ?

    With my OMC Cobra outdrive trimmed all the way up does the engine still recive the cooling water that it needs at idle in neutral? My starter solinoid went bad, so we where out in the boat leaving the engine running while we where anchored in a cove to relax. I trimmed the outdrive all the way...
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    Cracked head or exhaust leak ?

    posted September 20, 2003 07:57 PM <br />--------------------------------------------------------------------------------<br />I was out on the water and noticed that after the boat had been idling for a while when I excelerated hard I heard this sound coming from the right side...
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    noise from right bank OMC 4.3

    I was out on the water today and noticed that after the boat had been idling for a while when I excelerated hard I heard this sound coming from the right side of the engine. It sounded like an exhaust leak. It seemed as if I lost a little bit of power out of the hole. With the out drive...
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    Outdrive Mechanics in Tennessee area

    Can any one hook me up with a good otudrive mechanic in the Knoxville, Tennessee area? I have an "86" Cobra that has never been apart or so I am told. I want someone to go through it this winter so she will be ready to rock next year.
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    86 OMC Outdrive (Rebuild ?)

    Hello Mates,<br /> I have recently bought an 86 Fabuglass Bow Rider. It had a new 4.3 V6 put in in 94 and it runs great. The outdrive has never been apart. The origonal owner has been running Quicksilver gear lube and changing it every season. It is a bit hard to shift back to drive after...
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    86 OMC Outdrive (Rebuild ?)

    Hello Mates,<br /> I have recently bought an 86 Fabuglass Bow Rider. It had a new 4.3 V6 put in in 94 and it runs great. The outdrive has never been apart. The origonal owner has been running Quicksilver gear lube and changing it every season. It is a bit hard to shift back to drive after...
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