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Recent content by Barrett50

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    Noob - Does anyone know the head casting on the 1987 OMC 5.7 GM engine?

    Argh, again. I'll have to make an interposer. I have to use the 400 starter ring and 400 harmonic balancer which are diff than the 5.7(350)
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    Noob - Does anyone know the head casting on the 1987 OMC 5.7 GM engine?

    Well, now I feel even more dumb that 33 min ago. My son, who knows nothing about boat engines put my req into a 'chatGPT' search and it spit out the info about 2 seconds later: Typical specifications: Casting number: 14096217 Combustion chamber: 64 cc Intake valve: 1.94 in Exhaust valve...
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    Noob - Does anyone know the head casting on the 1987 OMC 5.7 GM engine?

    I have inherited at 1987 Glastron-Carlson CVX-23 cruiser and trailer. The engine is locked up, and I don't want to check but almost sure the block is cracked. I have a good rebuilt GM 400 short block, and planning to mate my heads, intake, etc to the existing 400 block, with drilling steam holes...
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