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Old 04-19-2010, 12:14 PM   #1
sixbangr
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Mercrusier

is the 250 the same engine as a Chevy 250?
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Old 04-19-2010, 06:27 PM   #2
Shaky
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Re: Mercrusier

Curious about this myself. My buddy had one in his boat and a lot of the parts looked the same to me...
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Old 04-19-2010, 07:38 PM   #3
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Re: Mercrusier

same motor differant cam and some other stuff
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Old 04-19-2010, 07:42 PM   #4
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Re: Mercrusier

I had heard years ago that Mercury Outboard had built the engine for the first ZR-1 Corvette.
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Old 04-19-2010, 08:18 PM   #5
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Re: Mercrusier

One thing about boat motors, if you had twins,, one turned clockwise the other counterclockwise. Had 2 409's out of a boat many years ago. The cam as mentioned before was all for torque at low RPM. Had to find automotive exhaust manifolds, Air cleaner and that was about it. Would change the cam though.
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Old 04-19-2010, 09:06 PM   #6
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Re: Mercrusier

Sometimes the rotation was changed in the gear and sometimes it was in the motor itself.
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