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  1. Thread: 4 degree wedge

    by DaveF
    Replies
    14
    Views
    1,691

    Chill out X-man

    Skip was just trying to keep things organized. Who would think to look for information on a BOV in a thread titled "4 degree wedge"? No one.

    There is no reason to be intimidated here. Especially...
  2. Replies
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    2,401

    I have always done it with the caps on. It seems...

    I have always done it with the caps on. It seems very tricky and risky to do it with them off and risk too much torque to install them after crimping.
  3. Replies
    22
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    2,401

    Keeping plug caps tight

    The trick we use on racing karts is to get a good pair of dykes (the wire cutter type) and FIRMLY crimp the cap in the middle where the diameter is smallest. They never move again. You can practice...
  4. Thread: Blown Motor.

    by DaveF
    Replies
    72
    Views
    8,065

    Earthshaker: The 26.8 psi you calculated is...

    Earthshaker: The 26.8 psi you calculated is absolute (psia) not gauge (psig). The difference is atmospheric pressure of 14.7. Take your over 26.8 and subtract 14.7 and you get over 12.1 psig.
    ...
  5. Replies
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    UPDATE

    Sorry for the long delay. It turns out I had only removed a small amount of the hook. It was a result of old, bad eyes and switching to a 12 inch straight edge during sanding and then not rechecking...
  6. Replies
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    Yes. A 3 foot straight edge placed with one...

    Yes.

    A 3 foot straight edge placed with one end at the rear of the ski showed about a big gap caused by the gelcoat hooking downward in the last foot of the ski. There is a slight gap if a...
  7. Replies
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    3,114

    Removed Hook In Hull - Results Below

    I removed the hook at the rear of the hull.

    I hand sanded using a 12 inch sanding block. The gap that was present under the straight edge is gone. I never got through the gel coat. It took a long...
  8. BOV Vent Ramblings

    I think the BOV vents should return to the intake. I do not think it is a big deal either way due to the relatively small volume of air from the BOV vents compared to the total air requirement.
    ...
  9. Replies
    86
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    12,678

    I rode yesterday with the reset BOV. My stock...

    I rode yesterday with the reset BOV. My stock boost gauge now has one additional bar of boost showing. My previous best speed was 66.1 (205 pound rider 7 hours on ski, 70 degree air 65 degree water)....
  10. Replies
    86
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    12,678

    View Post

    Isnít this argument moot in light of the IJSBA rule requiring an IJSBA-approved BOV set to 110% of the stock boost level? I think they are even going to be required in stock class. IJSBA said the...
  11. Replies
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    688

    View Post

    I made a test fixture. Start with a ĺĒ galvanized pipe flange. Sand the bottom flat. Drill 2 new holes 2.25Ē apart on opposite sides of the flange. Cut a gasket from inner tube or maybe cork to match...
  12. Replies
    86
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    12,678

    Cool by me. Dave

    Cool by me.

    Dave
  13. Replies
    86
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    12,678

    RRated - I was not smart enoigh to check the BOV...

    RRated - I was not smart enoigh to check the BOV price before I took it apart!

    Thanks to Creativepuzzle for the manual reference to 12.18 psi. I will set mine at 12.2. I do not have a manual and...
  14. Replies
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    12,678

    I have not tested yet. But I am 100% certain we...

    I have not tested yet. But I am 100% certain we can get well over the 11.5 psi setting needed for stock and likely well over the setting needed for any over-boost condition created from aftermarket...
  15. Thread: OIL LEVEL

    by DaveF
    Replies
    68
    Views
    6,985

    Livin: Do the board a favor and remove the...

    Livin:

    Do the board a favor and remove the hose that goes from the oil catch can (aluminum - about 7 inches tall and 3 inched diameter. Mounted to the intercooler.) to the airbox near the clear...
  16. Thread: OIL LEVEL

    by DaveF
    Replies
    68
    Views
    6,985

    I pulled 2 1/4 quarts to get to 1/4 of the way...

    I pulled 2 1/4 quarts to get to 1/4 of the way into the crosshatched area - cold. For clarity that is 1/2 way between the bottom of the crosshatch and the top hole which is in the middle of the...
  17. Replies
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    12,678

    Upon further review/inspection and with the...

    Upon further review/inspection and with the clarity only a couple of self-congratulatory cocktails can bring, I think it is black silicone and that the small glob I thought ran out when heated (it...
  18. Replies
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    12,678

    Breakthrough! Adjustable Blow-Off Valve

    Adjustable BOVís to get from the stock boost level of about 10 psi to 11.3/11.4 range that Kawi advertised are now available. Price: $0.

    The only catch? A bit of work is required.

    First...
  19. Replies
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    2,772

    Way Over-filled

    I leveled the ski and then had to pull out 2 1/4 quarts of oil to get to about 1/2 way between the bottom of the crosshatch and the top hole (in the middle of the crosshatch). This likely means I'll...
  20. Replies
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    2,321

    Skip

    Skip:
    I'd love to see the settings. Got my Powershot with R&D program pre-loaded but will not get to try until Sunday, April 1.
    e-mail dave@performancespeedtech.com
  21. Replies
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    R-Rated

    Try "rratedperformance.com". Or search for "r-rated watercraft" - it is the first entry on Google for me when I search that term.
  22. Replies
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    2,321

    Texas at 700 foot elev. I should be set a bit...

    Texas at 700 foot elev. I should be set a bit leaner than FL generally but not alot - especially supercharged. Your settings should be safe for higher elevation riders - if a bit rich.

    There are...
  23. Replies
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    No pulley. I will buy future stuff from people...

    No pulley. I will buy future stuff from people like R-rated who support this board and share info. The only reason I bought the Powershot from R&D is they were the only site showing it available.
  24. Replies
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    Sorry Skip - my previous post was being typed...

    Sorry Skip - my previous post was being typed when you posted.

    They are available now - I've got one sitting here that I ordered from R&D for my 250X last weekend.

    Have you or others...
  25. Replies
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    I feel the same way about being cautious Richard...

    I feel the same way about being cautious Richard - that is why I'm asking for others' experience.

    The unit is alleged to ONLY ADD fuel. If true (big if), the unit is designed safe. Now, if it...
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