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  1. Scott06

    Can the base of engine work? Two to bolts under engine are rusted and can

    And not just a kit for Mecruiser - get the OEM merc or quicksilver part. Their impeller last much longer than the cheap aftermarket ones
  2. Scott06

    Fuel Carburater Question

    In addition to other comments what are you working on? year or preferably serial number on engine ? What carb was put on - was this originally a 2 bbl carb and you converted it or you just put a new or reman carb on it to replace origi 4 bbl? Why did you replace carb- assuming if it was working...
  3. Scott06

    Picture of my prop - what’s going on here?

    The newer flo torq hubs have only a short brass splined section that clocks the propshaft to the plastic hub.
  4. Scott06

    Quick hub question

    Pretty sure the hub kits are the same. There have been a couple different length hub inserts over the years The thrust washer on both has a detent that fits inside prop hub, the hubs on new props may nit be pushed in all the way. Post a pic if still in question. the vengance is not really a...
  5. Scott06

    Changing props

    This ! Ive done with a life jacket on in middle of lake , dont loose the thrust washer… sticks with grease to prop hub… always good to keep a spare hub, thrust washer etc on the boat
  6. Scott06

    First time winterizing 4.3 mercruiser, alpha one.

    Without draining water out first you risk nit completely getting enough AF through block to prevent freeze damage. marinas will do this on alrgers boats but they have huge tanks with large amounts of af that they run the engine in to ensure complete replacement of water with topped off AF. big...
  7. Scott06

    Winterizing my boat

    Drain water side of heat exchanger and water pump as likely lowest point. Depends on exactly what closed cooling system you have verify strength of AF on engine side is ok for lowest temps. stabilize fuel some will run a mix of 20% 2 cycle oil and fuel to fog engine change engine oil change...
  8. Scott06

    mercruiser engine turn over does not start

    100 psi is basically dead cylinder or in this case a dead engine do you spark and is there gas from accelerator pump when you stab the throttle?
  9. Scott06

    350 mag mpi manifold/elbow temp

    Yes there is a gasket that will not survive taking apart- oem ones have a rivet in them to ensure continuity between housing and manifold so temp gauge works.... You can also pull the hoses off the outlet and look in the ports. Merc has a flow test you do by taking water supply hose (from...
  10. Scott06

    mercruiser engine turn over does not start

    Fuel Spark Compression test for all - which one is missing ?
  11. Scott06

    Is this a reasonable quote?

    Looks like this is the result of lack of maintenance as other have suggested. If drive is never removed and it is in salt water things don't like to come apart. I'm not a professional mechanic, but well experienced industrial and home mechanic, it took me 2 weekends to get through my bellows...
  12. Scott06

    Glastron SX 175 Gas Smell

    I don't know about your exact boat on mine there is an access handhole threaded into a fitting in the floor above the sender and pick up tube. the entire glass floor above the tank unscrews to access complete tank and remove it if needed. I suspect you have a cracked fill or vent hose . No...
  13. Scott06

    350 mag mpi manifold/elbow temp

    They will be hot to the touch, you can put your hand on them but you dont want to leave it there long. If you just replaced manis and elbiws you are prob fine. to give yourself some piece of mind have you verified the flow to thermostat housing ? If you have the poppet valves feeding elbows they...
  14. Scott06

    350 mag mpi manifold/elbow temp

    Is this a salt or fresh water boat? The one side is getting on the edge of hot might be worth taking off elbows to see what passages look like in terms of scale and corrosion
  15. Scott06

    Time to chuck the 470

    Correct but depends on how he uses it. My typical use is 6-8 people doing watersports… cant have enough hp. If its him spouse and a friend or two cruising stop for a swim, get a low pitch prop and a 3.0 will putz along just fine and be real easy to maintain… didnt know that for sure then yes it...
  16. Scott06

    Time to chuck the 470

    Absolutely when compared to fueling up the car, but when you put the fuel costs vs other family pastimes it seems cheap compared to other things.
  17. Scott06

    Time to chuck the 470

    I would do the swap get it in the water then play with prop pitch and gear ratios in that order. usual fuel line, linakge, shift plate mounting. Biggest concern is the exhaust down pipe not sure if the 3.0 and 3.7 use the same down pipe and if it can be finagled to fit or modified by using...
  18. Scott06

    Mercruiser 3.0 to Mercruiser 4.3 swap

    Yes you can also probably use the 3.0 drive by increasing prop pitch. I did a 4.3=>5.0 swap that should have also ‘required’ a 1.81=>1.62 drive swap. Went from a 19” pitch to a 21” pitch and hit wot rpm perfectly.
  19. Scott06

    Swapped Thunderbolt IV for Delco EST

    We all knew that because we have done the same … many times ..,
  20. Scott06

    Time to chuck the 470

    you are not going fast enough ...
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