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  1. Replies
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    Sticky: when you have a strange problem with a Merc, swap...

    when you have a strange problem with a Merc, swap out the stator
  2. Replies
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    Sticky: its a great effort and it will be an engine...

    its a great effort and it will be an engine remembered for a very long time
  3. to stop the engine the black yellow must be...

    to stop the engine the black yellow must be grounded
  4. You can see why it went nowhere in the usa when a...

    You can see why it went nowhere in the usa when a 45ci sst45 craps all over it
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    what powerhead is that?

    what powerhead is that?
  6. so it still starts and idles?

    so it still starts and idles?
  7. wow, it has slowed down.... Have you got a few...

    We actually have tried something even better.....prior to the race season we would have a Saturday get together and invited everybody with a T boat and those interested in T boats to attend. We had a...
  8. How about having a boat available for a test...

    How about having a boat available for a test drive so the punters can try before buy?
    You market a race with that and have a quick orientation and some driver training then a drive and see who...
  9. Replies
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    Sticky: del

    del
  10. Racing any class with those engines always make a...

    Racing any class with those engines always make a great class
  11. Replies
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    The bore has never changed, pistons and rods got...

    The bore has never changed, pistons and rods got better over the years. In the 70's
    They are a great engine
    The sst45 is just a 60hp with a different exhaust and shaved head, 60hp sleeve so same...
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    72 has old electric shift lower unit, I would...

    72 has old electric shift lower unit, I would imagine very hard to find parts
    I would have thought the powerhead rebuild parts are still available?
    If you can move up to a later engine 1980+ they...
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    IMHO lots of carby OMC's are on the limit re...

    IMHO lots of carby OMC's are on the limit re reeds hence if you mod them to produce more power increasing the reed area will help.
    I think of it as the low pressure from the piston going up happens...
  14. solid mounts? I have watched a few videos of...

    solid mounts?
    I have watched a few videos of that long shaft stock class and its a bit dodgy
  15. thanks Hounddog sounds like there are lots of...

    thanks Hounddog
    sounds like there are lots of options and sustainable/easy to find parts
    I thought about a new mid for the 56 so it bolts up, 15" and solid mounts, go racing ( cut drive shaft)
  16. Wow, large gearcase with propshaft just under and...

    Wow, large gearcase with propshaft just under and very low ratio was fast??
    What caused that do you think, more diameter with low ratio would get you out of the corners I guess?
    How many seconds in...
  17. propshaft height is another way to slow boats...

    propshaft height is another way to slow boats down and helps safety re spins
  18. Replies
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    Sticky: what is that 3 cyl engine with the bendix looking...

    what is that 3 cyl engine with the bendix looking injection?
  19. Replies
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    Thanks John I watched some guys do it on RJ's...

    Thanks John
    I watched some guys do it on RJ's engine at Port Neches a few years ago, simple enough, they had go no go gauges.
    I imagine a stock OMC has 1/2" radius, perhaps they dont care or it has...
  20. Replies
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    Hi John reading the detail I cant see a...

    Hi John
    reading the detail I cant see a specification for the any port radius, got height, width and exhaust chamfer but not the corners?
    Even the exhaust is eyebrow style so has a large radius top...
  21. Merc still building small engine carby 2 strokes...

    Merc still building small engine carby 2 strokes but not for sale in the USA
  22. How about the sound, a modded v8 merc will sound...

    How about the sound, a modded v8 merc will sound good, but the rest, yuk!
    Look what happened in FIA F1 when they dropped the v8
    Nascar with a v6?
  23. I think the issue might be most of the engines...

    I think the issue might be most of the engines are highly optimized to do the job they were designed for hence as light as possible.
    Its not a LS3 where GM knows they will be getting a hard time....
  24. but you had gears....

    but you had gears....
  25. If they want to spend money get them to make EFI...

    If they want to spend money get them to make EFI kits for old 2 strokes
    create a new EFI controller for etec injectors now ya talking
  26. I heard Merc tried to mod that 4s60hp lump on...

    I heard Merc tried to mod that 4s60hp lump on the European F4, it kept blowing up so it went back to stock?
    Goes into gardian mode just getting off the dock and maybe down the straight, dont know...
  27. Replies
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    thanks John, that has some more updates from my...

    thanks John, that has some more updates from my 2015 version

    whats new is the pistons, the docs says;
    Pistons/Rings:
    There is only one model of SST45 piston available in standard bore and 0.030...
  28. Replies
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    Hi Dean Been there, its in the index but it has...

    Hi Dean
    Been there, its in the index but it has been removed from that document the page says;

    Stock Outboard Technical Manual
    35
    45SS CLASS
    OMC 45SS ENGINE SPECIFICATIONS (45SS CLASS)
    FOR...
  29. Replies
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    just the Caddy shack joke..

    just the Caddy shack joke..
  30. Replies
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    SST 45 OPC engine spec

    can anyone point me to the page on the apba site where this doc is?
    thanks

    I emailed them and no answer
    why is it so hard????
    APBA Resources

    Browse our library of resources for helpful...
  31. Replies
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    I drove under a boat or somebody drove over me??

    I drove under a boat or somebody drove over me??
  32. Replies
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    Another race in Macau done....

    Another race in Macau done.
    https://www.powerboatracingworld.com/category/asia-powerboat-race/

    After provisional pole it all went down hill for me then my helmet scratched somebodies anchor...
  33. Replies
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    SST45 sleeve?

    Can anyone confirm that the LA Sleeve L0120B is the legal sleeve for a 45?

    PS Ron, can you bring the sst45 thread back?
  34. Replies
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    When the reeds are too big fuel puddles so for...

    When the reeds are too big fuel puddles so for carby engine they idle bad.
    You can see on e-tec engine some models have doulbe the reed area than when it was a carby engine or engine of same hp....
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    I had a problem when i had a business in London,...

    I had a problem when i had a business in London, all the spam came from Holland so I blocked all the ip address ranges, that was as easy fix
  36. Replies
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    not familiar with it but do you have a peak...

    not familiar with it but
    do you have a peak voltmeter, if so I would put the flywheel on a then find out what voltage comes from those wires when cranking.
    Do those covers come off the coils
    Is it...
  37. same engine as the Mariner 55/60? I think that...

    same engine as the Mariner 55/60?
    I think that launched the Merc Yam partnership
  38. Replies
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    same for any outboard, you raise the engine till...

    same for any outboard, you raise the engine till you run out of water pressure, then down a bit when you have to run stock
  39. Replies
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    2 scoops on the hull to shoot water to the stock...

    2 scoops on the hull to shoot water to the stock inlet
  40. Replies
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    Happy new year Ron and all the gang

    Happy new year Ron and all the gang
  41. Replies
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    was the engine a dog due to the larger crankcase...

    was the engine a dog due to the larger crankcase volume?
  42. Replies
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    Sticky: whats the yellow material?

    whats the yellow material?
  43. Replies
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    [QUOTE=Powerabout;156084] Guys will be...

    [QUOTE=Powerabout;156084]

    Guys will be contacting you Ron, let me know if you dont hear from them
  44. Replies
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    They are using the UIM T750 although the engines...

    They are using the UIM T750 although the engines are not 70hp at this stage so there has been some customization
    All the officials are experienced UK racers, officials and ex racers.
    The aim is to...
  45. Replies
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    [QUOTE=Ron Hill;156081]I like this little boat. ...

    [QUOTE=Ron Hill;156081]I like this little boat. Are they for sale?[/QUOTE
    I am sure they are.
    I will email you with the contacts
  46. Replies
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    50ish at a guess?

    50ish at a guess?
  47. Replies
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    Racing in Hong Kong

    Just went and raced in Hong Kong
    New design T750 50 Tohatsu
    Forgot how much fun you can have in a small boat.
    Had a blast as did all, very successful weekend

    Hopefully the start of an Asian...
  48. Replies
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    I am sure the Carsons know how to mod the cage...

    I am sure the Carsons know how to mod the cage for your particular use and have reeds to suit that application
  49. Replies
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    squared off reeds flow more but on a carby engine...

    squared off reeds flow more but on a carby engine they might not idle as well as they will cause fuel puddling
  50. Replies
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    very tight to get wider reed block into the 45...

    very tight to get wider reed block into the 45 crankcase, or was there some grinding and welding?
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