3.0L outdrive on 4.3L

remalone

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Joined
Oct 24, 2010
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I would like to put an OMC cobra 3.0L upper and lower unit on my 4.3L OMC cobra boat(lower unit is cracked upper unknown no oil). Can this be done mechanically) the manual seems to indicate that the upper units are identical. What will need to be done to make this operational as far as prop or linkages are concerned? 4.3 liter 1986 VIP 19' runabout
 

Bondo

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Apr 17, 2002
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Re: 3.0L outdrive on 4.3L

Ayuh,... I believe you'll find the gear ratios so far apart, you'll never find a prop big enough to make it work...

It'll Rev to the moon, 'n go Nowhere...
 
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