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88CARRERA

  • Karma: +6/-0
gear drive in a jet boat
« on: June 15, 2011, 02:36:01 PM »
any reason not to run a gear drive in a jet boat?
i have always run them (quiet ones, still noisy) in all my motors never had any failures. they are pretty bullet proof. opinions?
chris.
  • Boat #1: 88 carrera eclipse
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ka0tyk

  • Karma: +30/-0
Re: gear drive in a jet boat
« Reply #1 on: June 15, 2011, 02:50:46 PM »
too loud.   :banghead:
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obnoxious001

  • Karma: +4/-1
Re: gear drive in a jet boat
« Reply #2 on: June 15, 2011, 06:03:09 PM »
any reason not to run a gear drive in a jet boat?
i have always run them (quiet ones, still noisy) in all my motors never had any failures. they are pretty bullet proof. opinions?
chris.

I guess be careful of the "cheapy" ones,, I am putting a Milodon on a 621 cubic inch all aluminum engine that I am assembling (that will be turbocharged on E85 fuel). 
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LakesOnly

  • Karma: +15/-0
Re: gear drive in a jet boat
« Reply #3 on: June 15, 2011, 06:34:14 PM »
any reason not to run a gear drive in a jet boat?
i have always run them (quiet ones, still noisy) in all my motors never had any failures. they are pretty bullet proof. opinions?
chris.
Do you intend to be making quick cam timing changes or complete camshaft changes between rounds at the racetrack?  If not, then why would you need a gear drive?

LO
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We're on the web; click below:
High Flow Dynamics

GT Jets

  • Karma: +192/-0
Re: gear drive in a jet boat
« Reply #4 on: June 15, 2011, 07:21:32 PM »
any reason not to run a gear drive in a jet boat?
i have always run them (quiet ones, still noisy) in all my motors never had any failures. they are pretty bullet proof. opinions?
chris.


Hmmmm...Never had a double roller fail either and you can't here them whine while they work....Had a Cloyes gear drive in my LS7 powered  '75 3/4 ton 4X4 Chevy and the chicks hated it.... :screwy:

IMHO, not much advantage to be had over a standard timing set...The valve timing is a tiny bit more accurate, but on a jet that needs to be under throttle to move at all, I don't think the accuracy will ever come into play...

They whine like, well....They whine. :o




GT
  • Boat #1: 1992 Carrera 20.5 Elite (I/O bitches)
  • Boat #2: 19' Bubble deck Jet BBC Berkeley
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If i get some free time tonight at work, ill play with it and post it for everyone to see.

Time to man up and yank it John!  :banghead:
Ray

88CARRERA

  • Karma: +6/-0
Re: gear drive in a jet boat
« Reply #5 on: June 15, 2011, 09:34:00 PM »
Cool thanks guys, looks like double roller it is.
  • Boat #1: 88 carrera eclipse
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