1958 35hp sea horse long to short conversion

Suggestions, concerns, and what is the correct power plant for your Thompson.

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vernonfarmer
Posts: 106
Joined: Wed Jul 19, 2006 6:59 pm
Location: Vernon, WI

1958 35hp sea horse long to short conversion

Post by vernonfarmer »

I've got a Johnson RDSL-20 long shaft motor I'd like to put on a 14' Cruisers Inc Holiday. The boat has a 15" transom. I have a short drive shaft but wonder about the water tubes and the shift rod. Taking the 5" spacer out...does that mean I need to cut 5" off the water tubes and shift rod? Can I file a notch in the shift rod for the coupler screw? Anyone out there accomplished this feat?
Thanks for any help.

John
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JoeCB
Posts: 241
Joined: Fri Dec 30, 2005 5:17 pm
Location: Farmington Hills , MI

Post by JoeCB »

I believe that what you will find is the both the shift rod and the water tubes have extentions that mearly have to be removed to get you back to the short tower. No cutting or fileing required.
Joe B
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JALL
Posts: 113
Joined: Tue Aug 24, 2010 4:39 am
Location: WISCONSIN

parts swap

Post by JALL »

Drive shaft and shift linkage are more than likely different. They have different part numbers on the 1957 35HP. AOMCI has a site for antique outboards, they know the specifics and the P/N.
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thegammas
Posts: 566
Joined: Sat Nov 25, 2006 2:10 pm
Location: Wilmington, Delaware. peterstransky@verizon.net - put wooden boat in the subject

Post by thegammas »

go to fiberglassics.com - lots of great help there
Peter Stransky
1962 Cortland Custom Sea Lancer
Wilmington, Delaware
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JoeCB
Posts: 241
Joined: Fri Dec 30, 2005 5:17 pm
Location: Farmington Hills , MI

Post by JoeCB »

The best place for help with classic outboards is www.aomci.org
.....just my opinion !
Joe B
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