Looking to buy a 1976 starcraft holiday 21 ft. With a 165 6 cylinder engine. Engine is locked up,and was wondering if possible to rebuild that engine?

Happyrider

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Looking at a 1976 Starcraft holiday 21 foot boat. Has a straight 6 engine that is locked up, and was wondering a rough ballpark figure on how much would it would be to rebuild that engine?
 

racerone

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Are you doing all the work yourself ?----Or hiring a shop at $100/ hour ?
 

Happyrider

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Doing the work myself. Thinking of rebuilding all parts of the drive train also.
 

jerryjerry05

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It's a Mercruiser drive.
Did a lot of Walleye fishing out of a 21 Islander.
Try to get it unstuck before you buy any parts.
Sometimes a couple days soak in MMO (marvel mystery oil) will help free the pistons.
Worst case, remove the head, 4x4 and a 8# hammer.
Start in the second and then the 5th hole gently using the hammer.
 
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