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  1. Eric 3.7LX Alpha 1

    U joint shaft

  2. Eric 3.7LX Alpha 1

    Hole in rear of head on 3.7l 1988 Mercury Marine motor

    I believe that's a core plug hole/ freeze plug. A quick search says: Ford part# is DOZZ-6026-B or 17mm Napa P/N 219-2188 or Clevite EPC 224A
  3. Eric 3.7LX Alpha 1

    Do i need the stator?

    Yeah, and that last previous post may have had some other issue causing his vibration.. Here is a link to that other thread: https://forums.iboats.com/threads/3-7-470-harmonic-damper.747655/
  4. Eric 3.7LX Alpha 1

    Do i need the stator?

    You can remove the stator if you'd like, the wires should already be disconnected if your running a belt driven alternator. I would strongly recommend not removing the magnets attached to the inside of the balancer. Someone did that a month or two on here and then had an engine vibration. I...
  5. Eric 3.7LX Alpha 1

    470 coil problems

    I have a UEI DM383 and a Klein clamp style which reads up to 400amps. I prefer the UEI for what I use it for.
  6. Eric 3.7LX Alpha 1

    Mercruiser 470

    Even if the cylinder is scored it's a sleeved cylinder. With an aluminum block, the cylinders are sleeved. Meaning the pistons rings aren't riding on aluminum but steel sleeves pressed in the bores them honed to the correct diameter. Sleeves can be pressed out and the block re sleeved if necessary
  7. Eric 3.7LX Alpha 1

    Mercruiser 470

    The 4.3 is the closest replacement, I wouldn't call it a direct replacement. Your going from an inline 4 with a single front engine mount to a V6 with two front mounts. There's going to be some measuring and fabrication possibly involved.
  8. Eric 3.7LX Alpha 1

    470 coil problems

    Yes, it happens to quite a few. It seems like so many change to Pertronix to get rid of the points, but I've never really had an issue with the points ever failing while out on the water. Here is a link to another with the same issue, he was going to try something at the end but never reported...
  9. Eric 3.7LX Alpha 1

    starter lockout with rams full out

    Having the drive fully up and running the engine wouldn't change the clearances on the upper gears or damage them. I'd be more afraid of damaging the u joints, or inner bell housing from the u joints hitting them or damage to the u joint bellows from being hit, but I couldn't say what would be...
  10. Eric 3.7LX Alpha 1

    starter lockout with rams full out

    You shouldn't be trying to start the engine with the drive fully up also.
  11. Eric 3.7LX Alpha 1

    Does anyone know what this part is?

    I was thinking the same thing. I have a smaller similar one in my tool box from replacing Poulan cauel lines.
  12. Eric 3.7LX Alpha 1

    3.0 pistons squeaking... doesn't sound good.

    You should have replaced the entire water pump kit in the drive including the base since it overheated. Those other parts can get damaged also from the lack of water, also should have looked at the water pocket cover while the drive was in two pieces. It's plastic and in the engine's exhaust in...
  13. Eric 3.7LX Alpha 1

    470 3.7L Misfire

    With the cap and new wires installed, you covered everything electrically. You could try an inline spark tester on the plug boot and run it. If sparks cut's out, you will see it as it happens.
  14. Eric 3.7LX Alpha 1

    Info on Mercruiser 0A494867 170Hp engine.

    The factory service manual covers more than a Clymer or Seloc manual. He may have the paper version I don't know.... Years ago the PDF versions were available here but were shut down due to copyright. Boatinfo.no has them also but no longer work as you need Flashplayer to open it and it's no...
  15. Eric 3.7LX Alpha 1

    Engine Hesitation/Fuel Issue - 1995 Crownline BR202

    There's probably chunks of sediment in the tank from when the gas went bad, that occasionally make it to the pick up tube in the tank. and cause a restriction. I don't think the gas in the tank is bad, you have all good new gas in there, but when the gas did go bad from sitting, the corrosion...
  16. Eric 3.7LX Alpha 1

    Info on Mercruiser 0A494867 170Hp engine.

    Don't replace the fuel pump yet. They very rarely go. I agree on the full tune up. If it doesn't have a fuel water separator, you should add one in between the tank and fuel pump. Once you get the tune up done and you confirm you have spark. You can run the engine off a portable gas container...
  17. Eric 3.7LX Alpha 1

    Need help with sterndrive parts

    Yes, you have to remove the drive off the boat to inspect the gimbal bearing. You should also check engine alignment using an alignment tool, and while it is off, you can grease the gimbal bearing and universal joints.
  18. Eric 3.7LX Alpha 1

    3.0 liter 4 cylinder engine does not turn over

    I agree, pull the drive off and try it again, and then with the plugs out.
  19. Eric 3.7LX Alpha 1

    1983 Four Winns mercruiser 488 3.7L overheating HELP

    You replaced the entire drive with different one and a new impeller. Did you open the old one up and look at the condition of the impeller to see if any pieces were missing? They may be blocking flow to the heat exchanger. These 470 based motors are very sensitive to overheating usually...
  20. Eric 3.7LX Alpha 1

    Help needed: merCruiser 898 won’t go into gear.

    When you mate the two halves of the drive back together, you have to have the lower half in forward gear the whole time. To do that, you rotate the splined shift shaft on the lower half CW while rotating the prop by hand CCW until it locks. You keep pressure on the prop to keep in forward either...
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