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MID-LAKE-CRISIS

  • Karma: +3/-0
Tanks not draining equal ?
« on: August 11, 2013, 09:23:25 PM »

 I know this has been asked before....
 
 first go after motor swap and right (passenger) tank won't drain?

 only thing different from before,

 fuel lines run over tt exhaust to tee then down to fuel pump,   thx

 
  • Boat #1: 1982 Haskell 17ft
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flatlanderjet

ka0tyk

  • Karma: +30/-0
Re: Tanks not draining equal ?
« Reply #1 on: August 11, 2013, 10:09:36 PM »
put ball valves on the pickups and turn the other side off.  tanks will always pull from the easiest side.  an extra bend, inch longer hose, etc. 
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MID-LAKE-CRISIS

  • Karma: +3/-0
Re: Tanks not draining equal ?
« Reply #2 on: August 11, 2013, 10:18:19 PM »
put ball valves on the pickups and turn the other side off.  tanks will always pull from the easiest side.  an extra bend, inch longer hose, etc.

 easy fix, thx

 just can't understand problem (hydraulics) , left side empty/right side full ??

 air locked ?
  • Boat #1: 1982 Haskell 17ft
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flatlanderjet

GT Jets

  • Karma: +192/-0
Re: Tanks not draining equal ?
« Reply #3 on: August 11, 2013, 10:27:36 PM »
I know this has been asked before....
 
 first go after motor swap and right (passenger) tank won't drain?

 only thing different from before,

 fuel lines run over tt exhaust to tee then down to fuel pump,   thx

 


Whichever tank starts out with a higher level, or is higher because of a list, that tank will drain faster, simple physics.

Drawing from both tanks at the same time can be risky, if one of the tanks is allowed to run dry, the fuel pump can aerate the fuel and run the motor stupid lean....

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

MID-LAKE-CRISIS

  • Karma: +3/-0
Re: Tanks not draining equal ?
« Reply #4 on: August 11, 2013, 10:38:20 PM »

Whichever tank starts out with a higher level, or is higher because of a list, that tank will drain faster, simple physics.

Drawing from both tanks at the same time can be risky, if one of the tanks is allowed to run dry, the fuel pump can aerate the fuel and run the motor stupid lean....

GT

 k ,  so shut-offs it is.  thx's guys
  • Boat #1: 1982 Haskell 17ft
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flatlanderjet

MID-LAKE-CRISIS

  • Karma: +3/-0
Re: Tanks not draining equal ?
« Reply #5 on: September 01, 2013, 08:09:39 PM »

 kaOtyk & GT, here we go...see how this works 2morrow,

 will let u know     thx

  • Boat #1: 1982 Haskell 17ft
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MID-LAKE-CRISIS

  • Karma: +3/-0
Re: Tanks not draining equal ?
« Reply #6 on: September 02, 2013, 08:58:47 PM »

fuel problems ....  what fuel problems ??   ;)
what a difference a couple ball valves make
ran an hour , reach under , run another.

 thx for spreadin the wisdom   :beer: :beer:
  • Boat #1: 1982 Haskell 17ft
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ka0tyk

  • Karma: +30/-0
Re: Tanks not draining equal ?
« Reply #7 on: September 02, 2013, 11:53:46 PM »
good job, glad it all worked out for ya.  get some cushion clamps on those lines to tidy things up so they're not flopping around. 



zip ties can pinch and cut rubber hose, these are nice and when they're tightened down they dont pinch fuel lines shut.  you can grab them at home depot. 

http://www.homedepot.com/p/1-in-Rubber-Insulated-Metal-Clamps-67795/
« Last Edit: September 02, 2013, 11:56:25 PM by ka0tyk »
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MID-LAKE-CRISIS

  • Karma: +3/-0
Re: Tanks not draining equal ?
« Reply #8 on: September 03, 2013, 06:45:22 PM »
good job, glad it all worked out for ya.  get some cushion clamps on those lines to tidy things up so they're not flopping around. 



zip ties can pinch and cut rubber hose, these are nice and when they're tightened down they dont pinch fuel lines shut.  you can grab them at home depot. 

http://www.homedepot.com/p/1-in-Rubber-Insulated-Metal-Clamps-67795/



  agreed.... using existing fuel lines dictated location.
  would you suggest glueing a backing mount on transom,
  then lengthen lines to secure  ?

  • Boat #1: 1982 Haskell 17ft
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