Recent content by fvshawn

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    Many prop questions wrapped into one

    :cool: Hey guys, need to put some myths to rest, and answer some questions I have about selecting a prop. I have a 1991 Chris Craft Concept 207 , so it is 20' 7" and weighs in just over 3200 lbs dry. The boat has an OMC Cobra 5.0 H.O.Ford Block with 300 original hours on it, somewhere around...
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    Cobra shifting issue

    I have a 91 OMC cobra, 5.0 liter and ever so often when I go from nutral to foreward, the boat will go foreward for a few seconds then "clunk" and keeps going. It is like the foreward gear was not fully engaged or something at the time. It doesn't always happen, but will usually do it while I...
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    Removed shift rod and can't install

    Was helping a friend change water pump on his 1990 Yamaha 60 enduro and we took the shift rod out of the lower unit to inspect it. With the oil removed, and tons of tries, we can not get the shift rod to go back into the lovew gearcase. There is a cam or something that has moved and won't allow...
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    OMC Cobra Backfires

    I have a 1991 Chris Craft with a 5 liter OMC Cobra HO ford block with only 380 hrs , never looked at any numbers on the engine before it got dark tonight, and my manual is MIA. Here is my issue: I have a 12 volt accessory plug that only works with the key in the run possition, and left it...
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    Merc 4.3 Keeps stalling

    Finially convinced a buddy to join the boating world. We tested a boat out and bought it. NOw that we have done some play with it on the water , a problem has developed. The boat keeps stalling in the lower rpm stages. You can be going at a steady slow speed and it will just die, or any sudden...
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    Swap Merc 4.3 for 5.7 ?

    Hello everyone, Got my friend into boating, now they want one too. We found a nice Donzi, but owner has swapped the original 4.3 for a 5.7 and retained the original Alpha One leg. My worries is that it may not take the power of this engine for long without failure. Things like lighter...
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