1977 Skipjack 24' OMC 800 Conversion/Swap Out

Sportfish IV is a 1977 24' Skipjack currently being restored.

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Bob Fisher
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1977 Skipjack 24' OMC 800 Conversion/Swap Out

Post by Bob Fisher » Sun Jul 01, 2007 12:55 am

Join the forum and discuss your success/problems with your older model Skipjack. Have you successfully retrofitted a pod and outboards or converted to a Mercruiser? Have you rebuilt the existing outdrive? Let's pool our resources and help each other out!


Here are some companies that make outboard pods (brackets):

Armstrong Nautical Products
http://www.armstrongnautical.com/brackets.htm

D & D Marine
http://www.dadmarine.com/picturelnk.htm

Rebuilding an OMC Model 800 Stern Drive:

From the SELOC Manual 1964-1986

Electromagnetic gearcases were used on all OMC sterndrive installations between 1964 and 1977. From 1978 through 1981 OMC used a mechanical assisted power shift unit with propeller exhaust. Since 1982 the shifting has been by mechanical linkage only. Each drive contains an upper and lower unit.

From looking at the pictures and schematic diagrams in the manual it appears that the OMC Model 800 sterndrives all appear very similar (externally). They all have a Pivot Trunion, Ball Gear and Tilt Quadrant. I am going to research if my 1976 sterndrive (sterndrive = outdrive: same thing) can be replaced with a 1978-1986 unit with mechanical shift and thru-the-prop exhaust. Obviously I will have to change the shift control and the intermediate housing too.

Converting OMC to Mercruiser:

OUTDRIVES.COM used to make a transom hole adapter plate but no longer do. From what I have read the only option now is to cut out the stern section of the boat and fiberglass in a new marine-ply transom, then cut a new hole using a Mercruiser template.

http://www.outdrives.com/plates.html



And of course, if you don't already know, I have photos from day one in my Project Boat Photo Gallery:

http://www.sportfishworld.com/Project_Fishing_Boats.php
Capt. Aussie Bob Fisher
SportfishWorld, LLC.

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