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  1. Replies
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    yep your right, I would bet one of them is wrong?

    yep your right, I would bet one of them is wrong?
  2. Replies
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    On boats.net you get different carb part number....

    On boats.net you get different carb part number.
    I did notice the 5 digits are the same in the middle of the part number but prefix and suffix different.
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    Never heard of blocking exhaust to restrict hp....

    Never heard of blocking exhaust to restrict hp.
    Normally carb venturi size so carbs are different part number.
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    362

    are the blocks the same part number?

    are the blocks the same part number?
  5. Replies
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    I have been hearing boring stuff up for 40 years,...

    I have been hearing boring stuff up for 40 years,
    just tell them the finish size of the hole and thats what you are paying for.
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    Al Stokers 9 pages doc has dimensiions. I will...

    Al Stokers 9 pages doc has dimensiions.
    I will post it in a few days when i get home.
  7. Replies
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    e-tec?

    e-tec?
  8. Replies
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    Sticky: Where did this end up, are you still making them?

    Where did this end up, are you still making them?
  9. Perhaps rebuilding an OMC 49ci powerhead and buy...

    Perhaps rebuilding an OMC 49ci powerhead and buy mid+trim and lower from Seaway is the way to go?
    Carbs are the only thing that might to hard to find or use flat tops?
  10. did the 55 small case have the tall ratio gears...

    did the 55 small case have the tall ratio gears like the 70 ces?
  11. Can you buy a new carby 15" for a T850 from anyone?

    Can you buy a new carby 15" for a T850 from anyone?
    or is it 20" and make a new mid etc
    or try to fit a 60-70 onto to a 50D mid but what about the trim?
  12. Replies
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    wow didnt know that you have gold in your hands...

    wow didnt know that
    you have gold in your hands if you have those pistons as they must be legal
    What does the original 60 hp parts book say? Your book says 87 which is after the 45 came out so...
  13. Replies
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    The old 60hp pistons had a different cut are you...

    The old 60hp pistons had a different cut are you sure his 45 pistons were not 60 ones?
  14. Yes hard to believe the shaved head and custom...

    Yes hard to believe the shaved head and custom megaphone will add 10 hp and lift the peak power up to 7000
    Al Stoker told me he has had many on his dyno and thats where they all are
  15. Hi Hounddog Was there ever a spec sheet for the...

    Hi Hounddog
    Was there ever a spec sheet for the omc 45ci for t 750?
    They are 70hp at 7000 in sst45 spec which is stock porting which is faster?

    Did you get your carbon boat running?
  16. Replies
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    The future is bright for T750

    After a successful https://apachampionship.com/ T750 race in Singapore a deal was done between the APA and our club the SPBA, to allow 2 of the race boats to remain in Singapore which will allow our...
  17. Replies
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    Sticky: it makes more power but having the piston flat...

    it makes more power but having the piston flat against the exhaust port rather then cocked over
  18. Replies
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    Sticky: custom 49ci race engine from OMC

    custom 49ci race engine from OMC
  19. Replies
    865
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    Sticky: no good I'll give ya $100 to take it away...lol...

    no good I'll give ya $100 to take it away...lol
    31M race engine
  20. Replies
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    great offer, love to do that

    great offer, love to do that
  21. Replies
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    Hi Ron from teh PArker thread on S&F The Div. II...

    Hi Ron from teh PArker thread on S&F
    The Div. II 2.0 liter rules say V-4 and inline 6 motors are called alternate motors and are exempt of the aforementioned rules. How much freedom are we talking...
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    yes 12 T750 boats with stock 50 3cyl tohatsu's...

    yes 12 T750 boats with stock 50 3cyl tohatsu's will be in Singapore Dec 6,7,8
  23. Replies
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    Thanks Ron yes still in Singapore The question...

    Thanks Ron yes still in Singapore
    The question is for us here from the Port Authority, simple question but its not on any UIM or APBA doc I can find.
    We are 99% there to have T750 race on the east...
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    Race course setup info - need help

    Hi Guys

    can anyone point me to a specification for the safety clearance from race track to spectator boats?
    Has there ever been a specification posted like how fast how far type of thing?
    ...
  25. Replies
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    if pistons are stock you add 030 to original bore...

    if pistons are stock you add 030 to original bore size
  26. Replies
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    is the hull smooth underneath in the middle or...

    is the hull smooth underneath in the middle or does it have the join seam protruding?
    Thats an issue when raising the engine height
  27. Replies
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    You need to check what the piston uncovers. So...

    You need to check what the piston uncovers.
    So you need to crank in a block with piston and rod
  28. Replies
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    good question, thats very important. lots of...

    good question, thats very important.
    lots of dyno time and egt monitoring required there
    typically you lower the angle to shift the powerband up
  29. Replies
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    are you taking of ports above the piston or below?

    are you taking of ports above the piston or below?
  30. Replies
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    how do the ports in the piston line up? There is...

    how do the ports in the piston line up?
    There is a simple mod and thats to make a late 45 piston cut look like the old 60hp one
  31. Replies
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    yes but only in East Malaysia

    yes but only in East Malaysia
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    where is that?

    where is that?
  33. 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
  34. 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
  35. to stop the engine the black yellow must be...

    to stop the engine the black yellow must be grounded
  36. 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
  37. Replies
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    what powerhead is that?

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

    so it still starts and idles?
  39. 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...
  40. 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...
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    del

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

    Racing any class with those engines always make a great class
  43. 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...
  45. Replies
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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...
  46. 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
  47. 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)
  48. 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...
  49. propshaft height is another way to slow boats...

    propshaft height is another way to slow boats down and helps safety re spins
  50. 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?
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