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  1. Replies
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    Any updates?

    Any updates?
  2. Replies
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    Did you ever get the motor complete and running?

    Did you ever get the motor complete and running?
  3. GOOD NEWS!.....from OPBRA It's official!!! ...

    GOOD NEWS!.....from OPBRA

    It's official!!!

    We are proud to announce that COGECO has signed on as out Title Sponsor for the 2019 race season.

    They, along with YourTV will be filming at all...
  4. We actually have tried something even...

    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...
  5. Any ideas to help develop interest in opc boat racing??

    I really got off topic on my other thread, so I thought it best to start this thread.
    Over the last few years there has been a major decline in interest in OPC type racing in our area. We have tried...
  6. Solid motor are part of the current T rules so...

    Solid motor are part of the current T rules so Hobby Class could use them. The idea in Hobby Class is for the person who just wants to try T racing. They are not going to rebuild the motor, they will...
  7. Here in Ontario, Canada we have a shorter boating...

    Here in Ontario, Canada we have a shorter boating season and all fresh water so motors last longer and are in better condition compared to most areas. The 75 cent Canadian Dollar hurts when buying...
  8. We tried the 49-big foot-15 inch for several...

    We tried the 49-big foot-15 inch for several reasons. One was to compare the performance to the VP75 class which only allows long shaft motors. We had tried the long shaft version with a Checkmate a...
  9. The T750 boats are 55 to 67 hp. The T850 altered...

    The T750 boats are 55 to 67 hp. The T850 altered 56 OMC s are 100 hp plus. Speed wise the T750 record is over 65 mph. Our best T850 recorded speed is 80 mph while the UIM T850 record is 68 mph....
  10. We currently have a prop shaft UIM...

    We currently have a prop shaft UIM rule.....basically it must be below the bottom of the boat and we allow nose cones but not low water pick up nose cones or remote transom water pick-ups. We put the...
  11. There is a big difference between running in a...

    There is a big difference between running in a oval boat race and seeing the best top speed. The oval boat race is about the fastest lap time not the fastest speed. Tom runs against stock 2 stroke...
  12. I just noticed on the TORC......Toronto Outboard...

    I just noticed on the TORC......Toronto Outboard Race Club..site that the link to the rule book is a link to the 2019 UIM Rule Book....T Class starts on page 194. There is no change in the T750...
  13. T Class is a UIM World Class...the weights for...

    T Class is a UIM World Class...the weights for both T750 and T850 came from those rules. APBA similar classes were DE for T750 and EP for T850...I am not sure about the DE weight but APBA EP was 850...
  14. I still think we can help Tom and other current...

    I still think we can help Tom and other current and new racers in T750 class if we increased the minimum weight from 500 lbs to 625 lbs. Unlike our T850 class which has a surplus of horsepower that...
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    Currently on eBay there are mid 1990 55 hp lower...

    Currently on eBay there are mid 1990 55 hp lower units and they are both 2 bar units. My 1994 70CES lower unit is a 2 bar only the first bar is cut out a bit. These lower units were used with the 6F0...
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    You likely are not running the short shaft...

    You likely are not running the short shaft muffler. That is the reason for the noise. The muffler is still available. The 70CES model had no muffler. The 50G and 70B short shafts had the muffler. You...
  17. It is impressive how the 3 cylinder 42 cubic inch...

    It is impressive how the 3 cylinder 42 cubic inch Yamaha and especially the 50 hp Tohatsu have broken many of the speed records in the last few years.
    In 2013 a 50 hp Tohatsu raised the speed record...
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    How have you made out with the rebuild? Were you...

    How have you made out with the rebuild? Were you able to find new parts and gaskets for the motor? Were you able to confirm that the motor is 750 cc?
  19. Replies
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    Here's is what WE know about the twin Yamahas. -...

    Here's is what WE know about the twin Yamahas.
    - in the late 1970's to early 1980's Yamaha made the displacement larger
    - the block was the 6F0 ....60C Yamaha....60E Mariner
    - it was still 60 hp...
  20. Replies
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    IF? Yours is an original 60de you already have...

    IF? Yours is an original 60de you already have the best model. Your motor has all the good parts. Please post pictures and port measurements. We have never seen the inside of an 6f1 powerhead. Thanks...
  21. THE DT65 TWIN CYLINDER 65 HP SUZUKI......EARLY 1980's

    This motor is a legal motor for our T750 class here in Ontario. No body has raced one yet and most know nothing about them.
    I believe Ron Hill's wife set the world record for hard bottom inflatable...
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    Have you built any MKX boats?

    Have you built any MKX boats?
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    http://www.boatracingfacts.com/forums/showthread.p...

    http://www.boatracingfacts.com/forums/showthread.php?18347-Any-up-date-on-high-compression-pistons-in-59-cu-In-Mercury
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    Thank you for the reply. Would this be a MK8...

    Thank you for the reply.
    Would this be a MK8 hull?
    http://baatplassen.no/bildearkiv/21/21666/5655.jpg
    Will you be showing a picture of the MKX model?
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    There is not a lot to work with because of the...

    There is not a lot to work with because of the design of that motor. A better choice in my view of a similar size motor would be the yamaha/mariner 40 hp 2 cylinder.
    I don't know if anyone has tried...
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    Ron, with the new interest in small boats, did...

    Ron, with the new interest in small boats, did Geoff ever get the original Danny Critchfield molds delivered to him back in 2012? Last post back then was they were on there way. That hull with a...
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    Any new GT30 Hulls appear in 2017?

    Povvat Race Boats purchased the Winrace MK 9 molds a few years ago. I noticed those hulls finished first and second in the European Championship in 2017. In some pictures the hull looks wider...
  28. Ron, I am sure there is a class for that boat up...

    Ron, I am sure there is a class for that boat up here. It would not be a T class boat . T class and EP are and we're fibreglass 13 foot Production V hulls. Both classes had the same 4 foot hull rule....
  29. I think what happened with EP in the 1980's was...

    I think what happened with EP in the 1980's was racers and inspectors not noticing the different pad widths on the same make and model hull. The clever racers like Joe always look for the advantage...
  30. Ron, over the years we have made some changes to...

    Ron, over the years we have made some changes to our rules as we moved from FE-EP-FV and T class. The original rule book was APBA. Rules state that this is what you can do and in the case of the hull...
  31. Clearing up some old 1980's APBA EP Rules and Boat History

    Some Questions:
    (1) When did the rule change in EP class that allowed you to modify the last 3 to 4 feet of the bottom?
    I have seen many hulls especially 13 foot Allisons where the pad has been...
  32. At the 2018 APBA convention coming next year they...

    At the 2018 APBA convention coming next year they have set times to discuss New Classes. In my view the key to success is junior grass roots classes. Make it easy to start a new class. Any UIM or...
  33. Spoke with them a few weeks ago. It would be too...

    Spoke with them a few weeks ago. It would be too much work for a 1 time event. The new boats would need to be built. I would want the session group to be in both clubs. The clubs may not want all the...
  34. One of our race clubs here is a Drag Event Club....

    One of our race clubs here is a Drag Event Club. They have drag and circle races plus interesting side shows as part of the event. They have been very successful and have attracted new fans and...
  35. Thanks Ron for the props offer. There are several...

    Thanks Ron for the props offer. There are several reasons for not scoring.
    - many young people are not competitive and this will encourage them to try our sport.
    - its is called a group session...
  36. New ideas, current classes and new classes in Ontario Canada

    I have continued to offer ideas to the race group up here. I still find it strange that our governing body and most of our race clubs operate backwards compared to other organizations. Other...
  37. I have not seen any mod 2 cylinder 40 hp (40 cu....

    I have not seen any mod 2 cylinder 40 hp (40 cu. in.) Mercurys here. There were a few fellows playing with them on the east coast. From what 1 have been told the 30 and 40 hp are the same block. The...
  38. On the world stage there is a NEW market for your...

    On the world stage there is a NEW market for your sleeve and piston.

    Many countries love and race MOD 30 hp motors.
    They run flat bottom hulls, V hulls, tunnels and aluminum dinghy hulls.

    The...
  39. The stock 40 hp would be a good entry level motor...

    The stock 40 hp would be a good entry level motor for our drag class up here in Ontario Canada. We have a 40 hp rule for early teens. If the drag group here had both T classes and allowed this motor...
  40. What would the outfit weigh boat, motor and...

    What would the outfit weigh boat, motor and driver?
    For comparison would you know how fast a pure stock 40 hp 59 cubic inch motor runs on the same boat?
  41. Sam, your message box is full. Please clear some...

    Sam, your message box is full. Please clear some space.
  42. Thank -you, I sent you a message.

    Thank -you, I sent you a message.
  43. I am guessing your outfit is a tiller mod 40...

    I am guessing your outfit is a tiller mod 40 Mercury. In the rules of our T850 class we allow the 60 hp 59 cubic inch Mercury. The motor has to be stock however they would be allowed to use an...
  44. Now that is interesting. That fellow has invested...

    Now that is interesting. That fellow has invested a lot of time and money into the motor and prop to run mid 60's. There have been several bone stock 52 cubic inch Mercurys race in our FV class a few...
  45. Thank you.. I found Jeff on S & F he is a major...

    Thank you.. I found Jeff on S & F he is a major player in southern drag racing and has built some very fast tiller boats. One runs 73 mph with a mod 59 cu. in. Mercury. We hope to run T850 boats in...
  46. Any up-date on high compression pistons in 59 cu. In. Mercury?

    Awhile ago there was a thread on performance improvements for the 40 and 60 horsepower 59 cubic inch Mercury. A fellow had manufactured replacement pistons that increased the compression. Were the...
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    Rob Scythes reworked the last two feet of the...

    Rob Scythes reworked the last two feet of the tunnel with the panel to compress the air. It did not extend outside the boat. It was done so clean that you could not tell it was added.
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    Having Mike Wienandt add posts to this thread...

    Having Mike Wienandt add posts to this thread has confirmed most of the findings posted on other threads about the 3 cylinder 56 cubic inch OMC. The SST 60 is a spec motor and you must use original...
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    I would not be surprised if I was. That was...

    I would not be surprised if I was. That was several years ago and the complete process took about an hour. The owner had the outfit there for a bad cdi box. They had the motor on the dyno to test the...
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    Provided the 1987 70 hp is a 56 cubic inch...it...

    Provided the 1987 70 hp is a 56 cubic inch...it will have the big carbs...most likely they have a 69 main jet. The oval port loves fuel so I would run a 75 or larger jet with those carbs to start...
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