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82daytona

  • Karma: +7/-0
pump info needed
« on: May 21, 2008, 08:20:07 AM »
jet away or pop off and why
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hotrod56cars

  • Karma: +1/-8
Re: pump info needed
« Reply #1 on: May 21, 2008, 10:36:38 AM »
Re: Jetaway
Quote from: Brad @ SoCalJetBoats.com on January 15, 2008, 02:26:52 PM
they serve 2 purposes....

First...they allow you to disconnect the drive line from the pump so you can run it on the trailer without worrying about burning up your pump....

second, they have a ratchet system on them to allow the pump to continue to spin and allow water to pass through in the event of an unplanned shutdown. in a tunnel/cat like your daytona....i dont think you have much to worry about. but in a v bottom or gullwing style boat, you will see violent bow steering. I got a small taste of it when my rogers blew.

The pop off relieves the pressure inside the pump if the engine indavertantly dies while the boat is at high speeds to help allieviate bow steer. Pop off's can be automatic or manually controlled by many different ways, or both.
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NO REGRET$ ... Arguing on the internet is like competing in the Special Olympics / no matter how good you do you're still retarded!!!!!

                                                          1978  19' Mach 1 Tunnel jet

Jetaholic

  • Karma: +3/-0
Re: pump info needed
« Reply #2 on: May 21, 2008, 09:12:53 PM »
For a popoff you have to set your pump back far enough to where the hand hole cleanout is outside of the transom. That's basically what the popoff does...opens up the handhole cleanout to relieve pump pressure in the event of an engine shutdown at high speed.

With the Jet-A-Way you have two options...either set the pump back 5 inches or move the motor forward 5 inches.
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To err is human, to forgive divine...except for running Fords ;D

F - Found
O - On
R - River
D - Dead

82daytona

  • Karma: +7/-0
Re: pump info needed
« Reply #3 on: May 22, 2008, 07:35:03 AM »
so my pump is being set back about 8" when ever they decide to finish  :banghead: what would be my best option then 
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ryanbrindle

  • Karma: +2/-8
Re: pump info needed
« Reply #4 on: May 22, 2008, 09:26:36 AM »
Quote from: 82daytona on May 22, 2008, 07:35:03 AM
so my pump is being set back about 8" when ever they decide to finish  :banghead: what would be my best option then 

Man are you still focking around with Mark and those crackheads he has working for him?  I went in there the other day and the guy is a total dick!  I saw your pump sitting on a shelf collecting dust.
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I'll make ya famous!!

82daytona

  • Karma: +7/-0
Re: pump info needed
« Reply #5 on: May 22, 2008, 11:09:09 AM »
Quote from: ryanbrindle on May 22, 2008, 09:26:36 AM
Man are you still focking around with Mark and those crackheads he has working for him?  I went in there the other day and the guy is a total dick!  I saw your pump sitting on a shelf collecting dust.
yup he still has my boat
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GAWnCA

  • Karma: +1/-1
Re: pump info needed
« Reply #6 on: May 22, 2008, 11:36:46 AM »
Quote from: 82daytona on May 22, 2008, 11:09:09 AM
yup he still has my boat

Maybe it's time to go get it back or kick some butt!!!   :mad:
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~Greg
Forgive your enemies.  It messes up their heads.

hotrod56cars

  • Karma: +1/-8
Re: pump info needed
« Reply #7 on: May 22, 2008, 12:58:34 PM »
Quote from: 82daytona on May 22, 2008, 07:35:03 AM
so my pump is being set back about 8" when ever they decide to finish  :banghead: what would be my best option then 

both   :D
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Quote
NO REGRET$ ... Arguing on the internet is like competing in the Special Olympics / no matter how good you do you're still retarded!!!!!

                                                          1978  19' Mach 1 Tunnel jet
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