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jet boat performance

  • Karma: +25/-0
Re: Couple tech questions.. posted pic of boat
« Reply #25 on: November 12, 2010, 10:10:44 PM »

A jet drive in good operational condition along with an accurate Tach tells the story of actual power being produced , kind of like a "water dyno" of sorts   ;) not unlike an equation when you have several factors (eg RPM, Impeller cut,etc)  the other become obvious, jet drive operation is pretty predictable  Tom


« Last Edit: November 12, 2010, 10:15:02 PM by jet boat performance »
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kachina 22

  • Karma: +0/-0
Re: Couple tech questions.. posted pic of boat
« Reply #26 on: November 13, 2010, 06:33:53 AM »
Hey GT, i can get the numbers on the cam, i got the cam from Merc through a speed shop and what they recommended, that cam they dont list cus i guess merc puts them in there off shore boats and dont want the public to accualy know what it is according to Gordys speed shop in Yuma, AZ.  Ill call and get it, thanks.
  • Boat #2: 1995
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jet boat performance

  • Karma: +25/-0
Re: Couple tech questions.. posted pic of boat
« Reply #27 on: November 13, 2010, 03:26:16 PM »
Curious to know what the actual cam specs aside from  lift and lobe center are , also what the compression ratio and do the Kodiacs still equipt with the original cast risers , is the exaust 4" from the risers to tips might have some ideas for ya Tom
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kachina 22

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Re: Couple tech questions.. posted pic of boat
« Reply #28 on: November 13, 2010, 10:05:36 PM »
Compression 10:5.1, the kodiacs ar aluminum including the risers and are 4 inch.
  • Boat #2: 1995
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jet boat performance

  • Karma: +25/-0
Re: Couple tech questions.. posted pic of boat
« Reply #29 on: November 14, 2010, 09:11:07 AM »
Compression 10:5.1, the kodiacs ar aluminum including the risers and are 4 inch.
any cam specs ? pump gas?  Tom
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kachina 22

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Re: Couple tech questions.. posted pic of boat
« Reply #30 on: November 14, 2010, 06:30:05 PM »
634 lift, or 643 cant recall, 115 separation, yes pump gas.
  • Boat #2: 1995
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