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Just picked up a used mid 80s alpha drive for my 3.0 merc due to the fact that my upper unit is smoked. The input shaft wont turn. I opened the cover and everything looks good, just a little rust from sitting. I was wondering if i should take the lower off and see if the input shaft turns then...
I own a 1977 Glassmaster 18 ft. bowrider with a 140 hp i/o. It currently has a 15x17p prop on it. The boat planes out quickly but has a very low top speed, about 30 mph at 4400 rpm which is within max operating range according to the owners manual. What size prop would I use to get a little more...
