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  1. Replies
    190
    Views
    23,844

    4-Stroke I have been working on the ski and its almost...

    I have been working on the ski and its almost ready to fire up. All that is left is to put on the exhaust manifold. I am changing some fittings on the oil pressure switch and super charger feed. I...
  2. Replies
    18
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    870

    You should check the valve lash to rule it out. ...

    You should check the valve lash to rule it out. I know its a pain.

    Robert
  3. Replies
    190
    Views
    23,844

    4-Stroke Motor has been primed and dropped in the ski. ...

    Motor has been primed and dropped in the ski. Just need to button everything up and get it ready to be fired up.

    Robert
  4. Replies
    190
    Views
    23,844

    4-Stroke Been a while since I posted, but the ski motor is...

    Been a while since I posted, but the ski motor is ready to prime and drop in. Smoke test was fine. I have some break in oil. I am going to prime the motor out of the ski in case I need to prime...
  5. Replies
    70
    Views
    5,280

    Springs and retainers, injectors and SC wheel. I...

    Springs and retainers, injectors and SC wheel. I would go with a 19 or 20 psi wheel. You may need exhaust also. You will need to spin the ski to 9000 to 9200 rpm. The 13/18 may need to be tweaked...
  6. Replies
    190
    Views
    23,844

    4-Stroke Head, generator cover, starter, coupler, timing...

    Head, generator cover, starter, coupler, timing chain and clutch is on. Modifying crank bolt today. Decided to run stock cams for startup. Cams need to be shim and timed.

    Robert
  7. Replies
    190
    Views
    23,844

    4-Stroke I am going to measure it this week. Its easy to...

    I am going to measure it this week. Its easy to measure. Just measure the lobe to base and base circle by itself. Lift is the difference.

    Robert
  8. Replies
    190
    Views
    23,844

    4-Stroke Head is ready to be picked up. We are going to...

    Head is ready to be picked up. We are going to check spring pressures and probably adjust. I need to get the lift from the RC-3 cams vs stock SVHO cams. He made lots of small improvements in the...
  9. Replies
    190
    Views
    23,844

    4-Stroke Here are the clearances: rod oil clearance...

    Here are the clearances:

    rod oil clearance .002
    main oil clearance .001
    rod side clearance .006
    crankshaft end clearance .005

    The rod clearance was .003 (excessive) as received from other...
  10. I would be careful to watch the balance of the...

    I would be careful to watch the balance of the parts you cut.

    Robert
  11. Replies
    190
    Views
    23,844

    4-Stroke I am not sure what he is looking for, but I can...

    I am not sure what he is looking for, but I can find out what it ends up at.

    Robert
  12. Replies
    61
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    6,909

    You need real data logging of inlet and outlet...

    You need real data logging of inlet and outlet temps, pressure drops across the IC and water feed temps to the IC to know the true performance of an IC. I have logged all this before on twin turbo...
  13. Replies
    1
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    287

    Tuning Lessons Learned

    I had a couple of odd tuning issues this summer. Self inflicted. Thought I would pass on some lessons learned.

    Watch your O2 sensor. Mine was original and started to read lean. I sent Jesus...
  14. The VXR cam upgrade is small and easy to tune to...

    The VXR cam upgrade is small and easy to tune to both Dean and Jesus have Stage 3 tune up. The VXR cams are very mild compared to the RC-2 and RC-3.

    Robert
  15. Replies
    13
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    958

    Press the start and stop together. Lanyard in. ...

    Press the start and stop together. Lanyard in.

    Robert
  16. Deans clutch all the way. I have been beating...

    Deans clutch all the way. I have been beating one to death and it could care less.

    Robert
  17. Here are some comparison pics between my 2016 FX...

    Here are some comparison pics between my 2016 FX cruiser and 2019. Lots of changes in the hull.

    The dash is interesting and no key fob. I wonder if it is hard to read in the sun.

    Robert
  18. I just bought a 2019 FX SVHO Cruiser. I have two...

    I just bought a 2019 FX SVHO Cruiser. I have two 2016 Cruisers. The 2019 ski is much wider. It will not be in the water until May. The hulls are very different. I will take some pics I have both...
  19. Replies
    84
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    9,643

    Bring your 5k and more. You all seem to think...

    Bring your 5k and more. You all seem to think that going fast on these skis is top secret. Well it is not.


    Robert
  20. Replies
    40
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    3,961

    I would recommend a Solas 13/20 or re-pitch if...

    I would recommend a Solas 13/20 or re-pitch if you have a nice prop already. I do not see a SVHO going to 9800 under load with stock cams. My first Stage 3 build went 91 mph in a FX with a full...
  21. Replies
    40
    Views
    3,961

    I would never send a stock rod motor to 9800. ...

    I would never send a stock rod motor to 9800. You are asking for trouble. I have had my FX at 9500 for a few seconds many times on top speed runs. I have 19 psi wheel.

    Forget the tach and afr...
  22. Can you PM me his contant information? Robert

    Can you PM me his contant information?

    Robert
  23. Replies
    34
    Views
    3,005

    I would not put lower octane fuel in it. That...

    I would not put lower octane fuel in it. That tune up would have to limit the rpms significantly to get the booost down and lower the timing which will put more heat in the motor. Which may require...
  24. Replies
    11
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    2,167

    I did a Stage 3 setup 19 psi, 3 bar map on one of...

    I did a Stage 3 setup 19 psi, 3 bar map on one of my FX Cruisers when it was brand new, I have two identical skis. The ski had 9 hours so I felt the stock pump was sufficient. It ran 91 mph with no...
  25. Replies
    11
    Views
    2,167

    I have a 23 psi wheel in my FX Cruiser Stage 3. ...

    I have a 23 psi wheel in my FX Cruiser Stage 3. It is a race gas setup. Just fired motor and am tuning motec this month. Hope to be in the water at the end of the month.
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