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  1. J

    Mercruiser 3.7 470 wont start

    So I have a 1985 mercruiser 470, and I can not get it to start. I have a manual on it and done every check I can find. Coil checks out points and gap are good condenser in distributor good. Spark plugs are good wires good, new cap. It will turn over but can not get it to fire. Pulled a plug and...
  2. J

    Mercruiser 3.7 470 wont start

    So I have a 1985 mercruiser 470, and I can not get it to start. I have a manual on it and done every check I can find. Coil checks out points and gap are good condenser in distributor good. Spark plugs are good wires good, new cap. It will turn over but can not get it to fire. Pulled a plug and...
  3. J

    Sand in gas tank

    Ok so i just completly rebuilt my boat floor and motor. Didnt think anything about checking the inside of my gas tank and come to find out there ios quite a bit of sand in the tank. Seeing how i just put a brand floor and carpet in i really dont want to tear it out to clean the tank. Is there...
  4. J

    mercruiser parts

    Where is a good place to sell my used and new mercruiser parts?
  5. J

    mcm 170 3.7 oil pan gasket

    Im having trouble getting a true accurete part number for my 1986 mcm 170 3.7l. I just need oil pan gasket, any help is appreiceated.
  6. J

    mercruiser 470 timing

    Ok i am finishing up my rebuild and want to make sure i set the cam and crank right. The crank is set with the #1 piston at top dead center, and the cam is set with the valves on #1 being exhaust just befor close and intake just after open. I know after running the timing should be at 4 degrees...
  7. J

    floor rebuild

    I know there are probley already threads answering these questions but I couldn't find what I was looking for. So I am getting ready to redo the floor in my boat. And can not afford marine plywood. What kind of plywood should I use and what should I seal it with? I also am going to replace the...
  8. J

    mercruiser 470 rebuild or swap

    I currently have a mercruiser 470 that has to be rebuilt completly new crank, new cam new every thing. Which that is really expensive and it would be cheeper for me to buy another motor. My question is what is the biggest motor i can replace it with? With out have to change mounts and gear...
  9. J

    1986 thompson rebuild need sugestions on flooring

    I am rebuilding my 1986 18ft thompson, and i am looking for sugestions and tips on what to use for the flooring. Also should i get some kind of paint or spray on plastic to cover the inside of the fiber glass hull?
  10. J

    mercruiser 170 parts

    I am in need of a crank, and cam shaft along with several other parts. Does any one have any suggestions on where i can get them cheap and reliable.
  11. J

    mercruiser crank

    I have an 86 mercruiser 470 and I need a crank and cam. Does any one know where I can find one cheap.
  12. J

    1986 MCM 170 has a ticking/knocking noise?

    Ok i just bought a 1986 thompson deep V with the MCM 170. Was having some fuel delivery problems along with that ticking/ knocking noise. After fixing the fuel delivery i am at a loss on trying to narrow down the noise. It sounds like the old ford rangers that has the tick from lifters but i...
  13. J

    Need help and info on the MCM 170 please

    Ok i recently aquired a 1986 thompson with the mcm 170. i Am having problems getting it to stay running after started and it has a really bad ticking noise almost like it is knocking. Any idea's? For the starting problem this is what i have came up with so far. Carb seems to be getting plenty...
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