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  1. T

    Manifolds (Trying to figure out what I am looking at)

    Buy some acetone and make a jig or block to seal off ports and pour acetone into both exhaust and then risers. The riser blocks will be the most difficult to build, but if I could fabricate a device, you can too. I suspect y pipe worn shutters are allowing some steam back into head ports. Easy...
  2. T

    Slop in steering / power steering control

    depending on the degree of deadrise, Deep V boats don't handle as well holding on a specific fishing spot or trolling Stright at slow speeds, compared to modified V hulls.
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    Bellows replacement

    I have never had problems with Sierra, but I have only had 8 MC motor/HDs since the 1980s.
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    Inaccurate Compression readings due to low battery?

    I had a compression tester's Shrader valve loosen, which caused inconstant readings. I luckily discovered loose valve before pulling heads.
  5. T

    Vinyl curtain shrinking.

    It seems that makers would have added material for this issue.
  6. T

    Vinyl curtain shrinking.

    I cover my boat with a Big tarp. Unfortunately, due to health issues, I have not been able to work on it much as I would like. However, I notice recently that my curtains seem to have shrunk which is making zippers difficult to close curtains. One zipper broke. Doest clear vinyl do this over time???
  7. T

    Lifespan of 4.3 V6?

    if salt used maybe 10 years. something will rot or rust out.
  8. T

    Where can this water be coming from?

    and if salt used, pitch motor!!!!
  9. T

    Where can this water be coming from?

    It appears to be a freeze plug.
  10. T

    Blown head gasket

    If salt used block, pitch it. Insides will be crap too. You may be able to salvage if fresh water used, but I wouldn't chance it.
  11. T

    Another prop slipping thread

    water over damn... With OD installed, and with a buddy and a vice grip, stop motor from turning (best way) while you attempt to move prop with a 2x4" If anything moves, pull prop and take to shop and pray it needs repairs and not coupler. I had similar problem with a MC/Proline
  12. T

    Water leak into bilge

    get some mirrors and look. You may a y pipe seal gone. Look for rust! Pray it is not a rotten transom.
  13. T

    Water in u joint bellows

    Is your boat a wet deck boat? Water may drip onto drive shaft from hatch and enter via a worn seal. Trust me!
  14. T

    454 vibrating and breaking starter bolts

    MC have very strong motor mounts that do not allow vibrations to be seen unless something is very bad. I suggest pulling plug wire and listening to drop in RPMs. Just an idea...
  15. T

    Alarm Sounds when batteries switched on and no key in ignition

    Somewhere + is getting to alarm. Back track!!!!!!
  16. T

    Need ideas on problem with 5.7L Mercruiser shutting down

    while friend at helm and in the dark with muffs on or at dock, start wiggling wires. I suspect coil wire grounding out.
  17. T

    Pumping out oil from dipstick

    Real pain. Consider purchasing a kit that replaced oil drain plug that has long hose and brass end cap. Mine works great.
  18. T

    Alarm Sounds when batteries switched on and no key in ignition

    Take sensors out of the loop one at a time. I disconnected my reservoir due to crud. I cleaned out crude and reconnected.
  19. T

    For those thinking about an engine swap...

    I am surprised that old of a boat didn't have transom rot.
  20. T

    Click No Start

    I'd bet that you have some green corrosion somewhere. Jump starter directly and see what happens.
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