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  1. Scott Danforth

    Low Oil Pressure

    You should be using 20w-50, or at least 15w-40 There are 3 spots on the block to take oil pressure. My suggestion is use the one on the back of the block
  2. Scott Danforth

    carter mech fuel pump

    Just spend the $47 on a new pump. Summit Racing has them
  3. Scott Danforth

    Engine stalls when put in gearMy boat is a 1979 27 ft Carver Monterey Mercruiser 228 305 4barrel - Alpha Drive The engine stalls when shifting gear

    you are going to blow up your drive. replace your lower shift cable, adjust the cable correctly and get the RPM's down to below 650 in the water my guess is your thermostat and housing has an issue
  4. Scott Danforth

    Volvo 4.3L GXI-F Cam/Crank not lining up

    if the ECM doesnt see oil pressure, it will try to shut the engine down.
  5. Scott Danforth

    Riser hose water flow pinched

    its not a problem
  6. Scott Danforth

    My 1974 Mercury 150hp Hard Starting Issues

    Matt, have you taken care of the wiring issue you had in your other thread? since this motor sat for a long time, did you clean the carbs and do a link-n-sync?
  7. Scott Danforth

    How would you do this transom?

    $5k is still a project boat. any boat under $10k, or older than 15 years is a project boat. With todays market, the thing is to find the right project
  8. Scott Danforth

    Volvo Penta 5.0 GL-B does not go properly

    do not stick anything metal in the passages other than maybe a piece of soft copper wire. the bowl, metering plate and throttle body are made of zinc and easily damaged. do not use simple green cleaner or bleach for the same reason.
  9. Scott Danforth

    Boat won't go over 3000 RPM no mater what prop I use

    @achris if the ECM doesnt know its in gear, i believe the ECU limits the RPM to 3000. Am i correct? I believe this is why you stated look at the in-gear switch
  10. Scott Danforth

    Waterproof seal on Nautolex clad surfaces

    butyl tape will make a seal, even if it doesnt stick to the nautolex. the top layer of the nautolex is designed so not much sticks to it.
  11. Scott Danforth

    Sx outdrive water pump

    thermostat should be 140F your elbow temp with an IR gun should be about 150-170 if you have that much rust in the t-stat housing, you need to pull the manifolds and elbows to inspect.
  12. Scott Danforth

    2006 Volvo 5.7 osi-d crank no start

    your motor has a 55psi oil pump pressure relief. if you run a good 20W50 oil and the motor was cold, your oil pressure will be a bit higher. 60 psi is not a problem
  13. Scott Danforth

    Engine swap, OMC to mercruiser

    the stringer drives were the OMC drives available from the 60's to 1985. they used a machined splined "button" about the size of a large hockey puck that bolted to the crank. the intermediate housing was the gear box assembly that bolted directly to the flywheel housing flange on the engine...
  14. Scott Danforth

    Volvo Penta 5.0 GL-B does not go properly

    go thru your carb and rebuild it. by your description in post #1, it sat for a while. the fuel that was in there, has now turned to sludge from sitting and gummed up the circuits. its a holley 500 CFM 2300 2-barrel. to do a proper rebuild should take someone experienced about an hour total...
  15. Scott Danforth

    Alpha One Gen II, unknown part

    do a parts search for the proper flappers per your serial number
  16. Scott Danforth

    Outdrive oil leak

    Wix makes some of the best filters. FRAM is some of the worst. the NAPA brand filters are WIX you can also run 15W40 rotella in the motor. however 5W30 is way too light a viscosity
  17. Scott Danforth

    How would you do this transom?

    you need much much much more than a transom. you need a full restoration. especially since your floor is rotten which is always the last thing to go.
  18. Scott Danforth

    Unknown 55hp Johnson boat restoration

    you have a full hull restoration ahead of you. suggest reading the stickies at the top of the forum. specifically this one https://forums.iboats.com/threads/how-tos-and-other-great-information.283508/ and read links 14, 15, 18, 2, 3, 4a, and 4b in that order. if your floor is shot, your...
  19. Scott Danforth

    Sx outdrive water pump

    the thermostat is held in place by a sleeve. with the amount of rust you have there, you may want to look for a new one. I would get some oxalic acid (available on amazon) and soak the thermostat housing in it for about a week to dissolve the rust. I would also suggest you pull your exhaust...
  20. Scott Danforth

    Crest Mooring Cover

    Possibly. However to be guaranteed, most will want to measure themselves Best is contact your local marine canvas upholstery shop
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