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    1972 Chrysler 85 HP Impeller question

    Opps, sorry. Numbers are 115, 118 and 125 PSI. And I am not 6" above the impeller. That'll be next. Thank you.
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    1972 Chrysler 85 HP Impeller question

    Hi, A little back ground first. I just got a new project boat. The boat is a 1984 Cajun bass boat. It has a 1972 Chrysler 85 hp engine. I took compression readings and they were 15, 18, 25, top to bottom. appears to be a good engine. It was running pretty rough when I got it. So far I've...
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    1980 Mercruiser 470, 3.7L Engine rebuild

    Hi, I'm wondering if I need to rebuild my engine, or there are other issues that I'm not seeing, here's the history: I have 120, 115, 110, 110 compression in the cylinders. I used an Autozone loaner compression tester which looked well worn, I'm willing to bet the compression is a little better...
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    1980 Mercruiser 470, 3.7L Engine alignment

    I pulled the out drive to replace all the seals, O rings, bellows and gimble bearing. I will next pull the engine to rebuild it. My questions is can I use the drive shaft, which is currently out of the upper drive to properly align the engine, or I have to spent the $80.00 on an alignment tool...
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    1980 Mercruiser 470, 3.7L Drive shaft oil seal removal

    Hello again, I need to replace the oil seal around the short drive shaft in the out drive, I've taken off the BIG castle nut, but that is apperently not whats holding the shaft in. Looks like the nut on the inside of the shaft is holding it all in. (I guess). Please tell me how to remove the...
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    Thoughts on OEM parts VS. non OEM

    Hi, I just bought my first boat and like every other toy I've bought, it's a total fixer-upper. It has a 1980 Mercruiser 470 3.7L, 170 HP. It will be our family boat, so it must be safe, dependable.....and safe. I'm not taking any short cuts to do something that's cheap for now, but will be a...
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    1980 Mercruiser-Milky oil in the upper outdrive.

    Hi, I took off my upper and lower out drive yesterday and saw a lot of milky oil pour out from the upper drive from where the U joints are. I'm assuming there is not suppose to be oil there. Questions: Where are the seals that Keep water out of outdrive oil and where is the seal that keeps oil...
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    Can't remove Mercruiser outdrive

    Hello, I just joined this site. I'm trying to remove the outdrive from a 1980 Mercruiser 470. I know the tranny has to be in forward, but the outdrive only comes out about an inch and gets stuck on something. Any thoughs would be greatly appreciated. The shifter cable is frayed where it goes in...
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