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    "Clattering" noise in Alpha One Outdrive.

    Pulled the outdrive off my Mercruiser 470 to determine if noise was from engine or outdrive. As soon as it separated, rusty water ran out of the u-joint bellows. Ran it with outdrive off with hose water. No "clacking" noise. As soon as I saw the rusty water I felt pretty sure it was an outdrive...
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    Running Mercruiser 470 without outdrive

    I know I can run my 470 without the outdrive by supplying water with some pressure by a couple of different methods. I'm trying to find if the noise I have been hearing is from the outdrive or the engine. From what I have been observing I will need to run it about 1 to 2 minutes. Is this just...
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    Running Mercruiser without rotor on it?

    I just replaced the cam seals on my 170 HP Mercruiser 470. After replacing the cover, I have thought about running it on muffs and bringing it up to temp without the rotor on it to check things out. Reason being, if I find some problem with the job I just did, or possibly another problem I don't...
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    Need info - Installing new cam seals in 170 HP Mercruiser 470

    Hello all & thanks. Been using this forum for years to find info. It's wonderful, but I can't find the answer for this. When installing new cam seals in the front water pump, what do you press them in with? Reading the instructions and looking at my new seals, I assumed I would be pressing them...
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