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Sea Ray
 BoatUS Boat Groups/Manufacturer Forums>>Sea Ray
Subject Topic: 1986 Sea Ray Seville Repower Post ReplyPost New Topic
 
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gbrooks
"Seaman Recruit"




Joined: April 06 2009
Posts: 2
Posted: April 06 2009 at 15:02 | IP Logged Quote gbrooks

I have a 1986 Sea Ray Seville 22' with a 3.7/470, 170 HP and I am considering a repower to a 4.3 MPI. My main concern is the extra weight and future access to components around the engine such as the batteries, etc. Does anyone have any thoughts or knowledge with this boat / repower?
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Mark CRAY 200cc
"Seaman Recruit"




Joined: October 07 2005
Posts: 5
Posted: April 21 2009 at 18:11 | IP Logged Quote Mark CRAY 200cc

     i have a 1989 Searay 200 cuddy cabin with the 4.3 carbureted Alpha 1
       it has plenty of power and engine access is fine.
    but why would you want to repower?  is the current engine running??
   
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gbrooks
"Seaman Recruit"




Joined: April 06 2009
Posts: 2
Posted: April 23 2009 at 01:42 | IP Logged Quote gbrooks

Well, it was running the last time I came in after running for a couple of hours, but when I checked the oil, the dip stick showed only white foam, and the bilge was also covered in a white foamy sludge.

I had recently changed the starter and there was a lot of oil on the flywheel, so had suspected a possible bad rear main seal. Nevertheless, as I was looking to have to pull the engine and rebuild, the option of doing a repower vs. rebuilding that old block for $4k +- and then putting all the old parts back on did not sound as appealing as a new engine with fuel injection instead of a carb and no more points or old parts.

Yes, itís twice the price, but it will then be all new and have more power.

Since Mercruiser does not make the 3.7/170 hp (over rated hp) any more, and the current 3.0/135 hp, is simply not enough power, doing a repower to the 4.3 mpi (220 hp) seems the better or more apealing option for longevity.

Thanks for the reply. 



Edited by gbrooks on April 23 2009 at 01:45
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