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  1. Scott06

    Winterizing a Merc A1-G1 Block Question Antifreeze

    you need to get the water out first That is why when you poured AF in it came out the exhaust- you block is still full. Did you completely remove the petcock from the block ? there are two core [lugs on that side of the block if you cant drain it. they can be knocked in with a drift and...
  2. Scott06

    Frozen Block?

    not sure if all manufacturers do it but I found this for my sea ray https://rnr-marine.com/images/Sea-Ray_200-Sport_2004_Parts-Manual.PDF its hit or miss if it has suppliers part number but at least you can get the sea ray factory part number. For my fuel tank sender it had the manufacturers...
  3. Scott06

    Frozen Block?

    Most of them are made by a company called Taylor. My last two boats on the glass in the corner had a log that said “Taylor Made “ with a number after it. The number is there part number. You may be able to find this from the boat manufacturer as well. i was able to get a parts manual for my 04...
  4. Scott06

    Mercruiser 4.5 versus Chevy vortec Base 4.3

    no as mentioned by Matt not how it works Stroke increases by the crank. what are you trying to do ? Are you trying to increase the displacement on a 4.3? If so take it out and put in a 5.7 ..
  5. Scott06

    Frozen Block?

    If you look on eBay there are a few guys who part out boats and advertise windshields. Probably have to be really lucky to find what you need. if you can find out what Taylor glass number originally was on there may help as windshields can fit several boats
  6. Scott06

    Mercruiser 888

    There a couple things. A marine carb is built to with bowl vents such that if it overflows it dumps the gas down the throttle bores , also does not have a fast idle cam, jetting is likely a tad richer as marine engines run cooler due to open cooling system. The fuel and vapor control on a marine...
  7. Scott06

    Winterizing a Merc A1-G1 Block Question Antifreeze

    No only one block drain and a manifold drain. Other Side of the block has the lifter galley no drains. I had a 3.0 for 20 years, Makes it very easy to winterize. if your drain is plugged on that side get the peacock out and figure out a way to open it so it drains otherwise you will be looking...
  8. Scott06

    Frozen Block?

    These marine engines are basically truck or industrial motors. Not rocket surgery. Biggest thing you need to watch is stringer and transom rot with the age of boats you are working on save your receipts for the machine shop work on the 3.0. Yes it’s worth more than $315. If you have some back...
  9. Scott06

    Frozen Block?

    Yes unusual but not unheard of for a core plug to get pushed out and not crack the block If it was magged and pressure tested I would think it is ok. A neighbor had same issue because he waited until after first freeze to winterize. Put in a core plug in and seeemed like no water was getting...
  10. Scott06

    Mercruiser 888

    Kenny has been around the block maintenance wise. Obviously he would not be suggesting it if he didn’t think it was part of the issue. Likely the carb set up for a universal automotive application is not either sized or jetted correctly for marine loads and the altitude u are running at What...
  11. Scott06

    Mercruiser out drive compatibility

    Oh man I confused myself sorry to the OP and others if you are putting a 6 cyl drive on a 4 cyl engine then yes you need less pitch . I thought you had a 6 cyl engine and 4 cyl drive. …I’ll shut up now
  12. Scott06

    Mercruiser out drive compatibility

    Ok that’s what I was getting at , assuming the original prop hit the correct wot rpm you will need a higher pitch prop to account for the higher gear reduction in the 4 cyl drive. as an example I repowered my current boat.it originally had a 4.3 V6 with a 1.81 ratio drive. I upgraded to a 5.0...
  13. Scott06

    Mercruiser out drive compatibility

    snip
  14. Scott06

    Mercruiser out drive compatibility

    I might be getting stupid but I thought he was not switching engines but rather drives - going from a 6 cylinder drive (1.65 or 1.81) to a 4 cyl drive (1.98) so increasing the gear reduction
  15. Scott06

    Can I use this Y pipe

    Would have the welder face the sealing surface on belt sander etc. If there is a local machine shop that can weld aluminum should be no issue but do as you like
  16. Scott06

    Bravo 1 to Bravo 3 Conversion

    yes you can but depending on the drive ratio you may need to reprop. Best bet would be to see if the 2007 was offered with a 5.7 B3 and what ratio and what props it would have come with to get a good starting point. I would suspect a smaller boat with bigger engine would have a lower...
  17. Scott06

    Can I use this Y pipe

    yeah you probably can use it with a washer to make sure it bites, could also fins a local welder to repair it. If it were mine I would weld it up and not screw around with a seal that could sink a boat
  18. Scott06

    Mercruiser out drive compatibility

    If he is going from a 6 cylinder to a 4 cylinder drive doesn't he need to increase pitch?
  19. Scott06

    Mercruiser 888

    Delta Cams and Powell machine company are two guys who regrind cams if needed. With the general trend to rollers and issues with flat tappet cam and lifter failures (due to offshore junk) not a lot of guys doing HFT but I think they could help especially if you have a good core
  20. Scott06

    Mercruiser 888

    First verify the tach is correct vs a shop tach as a sanity check. Dont care if the tach is new, easy to do rev it up in neutral see what shop tach says vs dash tach. IF you have a prop shop that will let you try before you buy that is the best way to go. I would start with a 15 based on what...
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