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  1. Scott06

    4.3 Alpha One - Gimball bearing issue

    As others have mentioned yes you will need an alignment tool. You can get one that presses on the gimbal bearing but I have used a 1” wooden dowel on the outer race and also a 3” sch 40 pvc pipe section left over from a plumbing job. quad ring comes with outdrive gasket kit and bets glued into...
  2. Scott06

    Hole shot, Mercruiser 4.3L

    Pretty sure the thrust washer between pressed hub and replaceable hub I believe is different. If the 19" Michigan 3 blade worked reasonably well try an 18" michigan vortex 4 blade. I ran a two on my old boat (17 ft /3.0) 18" for tubing and cruising, 16" for skiing and boarding. I am pretty...
  3. Scott06

    Original prop size for 1976 starcraft chieftain mk Iv 25 foot with 165 merc

    Also would verify the tach is accurate vs shop tach so you don't make pitch changes off a bad rpm number.
  4. Scott06

    2007 glasstron185 GT

    Buy the fill hose in bulk from a marine retailer and replace it… no easy way to do it because you have to snake it in most likely a pita probably something this size or similar https://www.hardin-marine.com/p-103-1-12-marine-fuel-fill-hose.aspx local marina will likely have it as well
  5. Scott06

    1998 Mercruiser 5.0 Intake manifold gasket mismatch issues

    If you have an 8 bolt vortec intake these should be gasket you need https://www.michiganmotorz.com/intake-gasket-gm-v-8-5-0l-5-7l-vortec-1996-current prob wrong gaskets were in your box
  6. Scott06

    4.3 Alpha One - Gimball bearing issue

    Not uncommon but usually there will be corrosion in thee locking gimbal brg to shaft. Replace the gimbal making sure it is seated properly, moog 315g or equivalent u joints will fit your gen one drive and are cheap make sure quad ring is properly glued in bellhousing before drive reinstall
  7. Scott06

    Hole shot, Mercruiser 4.3L

    Agreed. I bought mine used off ebay $300 was the most I paid for perfect condition props. Best prices are in January
  8. Scott06

    Mercruiser Alpha One Gen I Winterization

    On my grandfathers Penn Yan - you removed the seat cushions on the rear seats to access the battery and trim pump. On the vertical wall of the seat base there were 4-5" holes cut to access the oil filter and the plug for the boat as it was in the hull bottom not the transom. couldn't see...
  9. Scott06

    Mercruiser 3.0 diagnosis / serial number decode

    i had that exact same symptom on my 3.0, a vane off the impeller ripped off and blocked the water flow out of the pump. Vane was laying flat on bottom of impeller housing
  10. Scott06

    NEW GM 5.7 MOTOR SERVICE MANUAL

    Here is the delco EST instructions if you dont have them http://marineengines4less.com/images/companies/1/EST Ignition Instructions - ME4L.pdf?1431462059320 Carb tuning guide. Look at the detailed page for 1409 tuning , very helpful in dialing in and understanding operation...
  11. Scott06

    Mercruiser Alpha One Gen I Winterization

    Unless you have a several hundred gallon tank and the correct AF to do this like big marinas do , dont. Drain it first. you have to get to either oil pan rail to drain the block, under each exhaust manifold to drain them, and the big J shaped hose on circ pump in front of block. Some hoses have...
  12. Scott06

    Whats wrong with my boat?

    First guess would be as recommended carb strip down and rebuild. Would also do a compression test to make sure no valves are hung up and engine is still in god shape . Also sitting would not ignore the ignition system. Would check cap and rotor may have corroded. Verify you have good strong...
  13. Scott06

    Carburetor Issues, Dripping Carbs...

    This was in a new sierra Mercarb replacement right? Mike's carbs sells brass replacements for mercarbs or at least used to last time I rebuilt a mercarb...
  14. Scott06

    Newer 3.0L in place of an Older 3.0 QUESTIONS

    https://www.summitracing.com/search/part-type/cylinder-sleeves?SortBy=Default&SortOrder=Ascending&keyword=cylinder%20sleeves&kr=cylinder%20sleeves Yes this 12&3/4" flywheel plus the coupler will adapt it to the old style flywheel cover. The MC1 uses a different rear motor mount spacing until I...
  15. Scott06

    2004 Volvo Penta 3.0L engine knocking

    You need to tear it doen to see what is damaged. Low road take it local machine shop , as outlined quite likely turn the crank and resize the rods do a valve job , may need new pistons if bores are out of round and require boring. high road, get a reman or new base engine swap the components...
  16. Scott06

    Rebuilt 5.7 vortec wil not turn over

    On the intake stroke it will pull air in via a spark plug hole same as it would via the intake valve. on compression stroke it will expel air out the spark plug hole… so yes normal
  17. Scott06

    Rebuilt 5.7 vortec wil not turn over

    Who rebuilt it ? Had an issue with a rebuild years ago machinist resized the big end of the rods incorrectly (at a slight angle) so rod bearings were binding on crank … wouldn’t turn over with starter
  18. Scott06

    Slow plane at high altitude 5.0L MPI, please help

    No not that speed at 2800 rpm I think you just want to know the prop is such that you can get to the upper end of the wot rpm range for both of your altitude situations likely u will need different props for different situations F lmk
  19. Scott06

    Engine Bogging Down When Cold

    Would think probably temp sensor. Seems like it isnt thinking its cold and needs to richen mixture . also would check two common mpi issues IAC valve and the crab style dist cap may be contributing .
  20. Scott06

    New valve cover gaskets and still leaking V6 4.3

    Agreed, a light coating of oil keeps corrosion at bay…
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