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  1. C

    MC-1 Pre-Alpha Bottom gear housing install 1977 165 HP 250 CI GM inline 6

    Hi All Happy Spring I removed the old one in neutral instead of forward can i install the newer one in neutral. Thanks
  2. C

    Electronic Ignition for a 77 GM 250 I6 165 HP Mercuriser

    Hi All, I need help understanding which way to go. 1) When it comes to doing a conversion or buying an HEI complete distributer can i shop for parts for a 77 chevy C10 truck engine or do i need special marine parts. 2) what is the difference between installing a conversion kit or a HEI...
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    1977 Glassmaster Gulfstream 900 ESD

    top half in good shape
  4. C

    1977 Glassmaster Gulfstream 900 ESD

    I only removed the bottom part of the stern drive with the water pump in it. I did it in neutral is that okay? What is the little spline gear for that is behind the water pump is that what drives it or is it a speedo drive? How do you think the PO broke off my caviation fins with wood while...
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    1977 Glassmaster Gulfstream 900 ESD

    Thanks for the reply. I will be picking up the boat this Saturday. It has a 1977 GM inline 6 250 cu in 165 HP engine. That is what I thought a MC-1, but after looking an index of the year they started calling them MC-165 after the HP of the engine. But im confused about that info. The out drive...
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    1977 Glassmaster Gulfstream 900 ESD

    Hi All, What stern drive do I have on a 1977 250 Cu In inline 6 GM engine? Is it called a MC-165? What pitch and size prop? Thanks
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