1990 4.3L OMC Outdrive gone bad

Gary H NC

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Re: 1990 4.3L OMC Outdrive gone bad

The one in TN sold for 965.....someone got a good deal. The winning bidder got it in the last 30 seconds.
 

asdasc

Senior Chief Petty Officer
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Aug 28, 2008
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Re: 1990 4.3L OMC Outdrive gone bad

Sorry, bad news, it wasn't me. I had another commitment, kids singing in a school thing and missed it all.

I am watching the other two yet. The other one in Wisconsin sold for even less. The next two don't come up for a couple days. I will get one of them, hopefully.
 

Gary H NC

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Re: 1990 4.3L OMC Outdrive gone bad

Maybe the one in Ohio will sell cheep! Good luck!
 

Boatin Bob

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Sep 24, 2001
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1,858
Re: 1990 4.3L OMC Outdrive gone bad

985685 is for a 1989 4.3, would be perfect for you. Be leary of the one that has that model # and lists it for a 5.0/5.7, either he is wrong or the upper has been rebuilt with different gears or someone did something crazy with a different prop but the gear ratio is quite different. The 983844 is for a 1986 5.7 big dfference in the gears.
 

asdasc

Senior Chief Petty Officer
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Re: 1990 4.3L OMC Outdrive gone bad

Thanks Bob, I appreciate the help. Where did you find that info? Will it be covered in the service manual when it arrives, or only for 1990? (it is a 1990 service manual)

Thanks again.
 

Boatin Bob

Lieutenant Commander
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1,858
Re: 1990 4.3L OMC Outdrive gone bad

OMC only puts relevant info for that year in their manuals. This info comes from one of the aftermarket manuals (actually on CD), one of the few things these manuals are any good for :rolleyes:
 

asdasc

Senior Chief Petty Officer
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Messages
680
Re: 1990 4.3L OMC Outdrive gone bad

Hi Gary,

The manual came in today. I have spent about 5 hours just pouring thru it. Interesting, learning all the names for things. I have gotten pretty good at rebuilding lower units for older outboards, but this sterndrive is amazing in it's complexity.

I also learned that there isn't much you can do without a truck full of special tools. :(

I am really curious now to pull the sterndrive and get it home to take a look at it. Maybe this weekend. Maybe it is just the upper gears (but I don't think so...!)
 

loosechange

Cadet
Joined
Oct 16, 2004
Messages
26
Re: 1990 4.3L OMC Outdrive gone bad

I have a set (2) cobra drives 1 is a counter rotater, have the complete 4.3 package ....just upgraded to mercs will sell you the whole assembly CHEEP! got to get them out of the yard! make me a reasonable offer and they are yours
 

Gary H NC

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Messages
8,972
Re: 1990 4.3L OMC Outdrive gone bad

I have a set (2) cobra drives 1 is a counter rotater, have the complete 4.3 package ....just upgraded to mercs will sell you the whole assembly CHEEP! got to get them out of the yard! make me a reasonable offer and they are yours

You may want to PM him because offering sales on the forum is not allowed but in a PM its ok...;)
 

Gary H NC

Fleet Admiral
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Messages
8,972
Re: 1990 4.3L OMC Outdrive gone bad

Hi Gary,

The manual came in today. I have spent about 5 hours just pouring thru it. Interesting, learning all the names for things. I have gotten pretty good at rebuilding lower units for older outboards, but this sterndrive is amazing in it's complexity.

I also learned that there isn't much you can do without a truck full of special tools. :(

I am really curious now to pull the sterndrive and get it home to take a look at it. Maybe this weekend. Maybe it is just the upper gears (but I don't think so...!)

Pulling it is a 20 minute job unless the input shaft is rusted to the coupler.

That manual is great huh?:D

Take it home and pull the cover off the upper and take a look.(4 bolts)
Keep us posted and have fun reading...lol!
 

loosechange

Cadet
Joined
Oct 16, 2004
Messages
26
Re: 1990 4.3L OMC Outdrive gone bad

sorry about breaking the rules just got excited trying to help out another boater. you guys have helped me tremendously and thought i could share. sent a pm . sorry
 

asdasc

Senior Chief Petty Officer
Joined
Aug 28, 2008
Messages
680
Re: 1990 4.3L OMC Outdrive gone bad

Thanks guys!

Loosechange, got your PM and will call in the morning.
 

Gary H NC

Fleet Admiral
Joined
Dec 1, 2005
Messages
8,972
Re: 1990 4.3L OMC Outdrive gone bad

sorry about breaking the rules just got excited trying to help out another boater. you guys have helped me tremendously and thought i could share. sent a pm . sorry

Hey,You fixed it so no problem!:)
A bunch of us have helped each other out with parts and its great to help fellow Iboaters..(just gotta be hush,hush about it)......or the forum gods will get us...:p
 
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