Null


rhino

  • Karma: +2/-0
Fuel Problem???
« on: December 03, 2014, 07:57:24 pm »
My buddy has a 21ft eliminator daytona with a blown 482 bbc that has dual holley 750s. He ran it labor day weekend and it ran perfect. The next time he took it out it ran fine at idle and on the trailer, but as soon as it got on plane it craps out and dies. It will fire right back up and as soon as you get on plane, same thing again. He replaced a bunch of ignition stuff, plugs wires, msd box, cap and rotor, and the battery thinking it was that, but it still does it. Hes not computer savvy and I told him I would see if any of the experts wanted to chime in or if anyone has had this problem before. Thanks Fellas.
  • Like
    Dislike
    Love
    HaHa
    Angry
    Surprise
    Sad
    Party

angermgmt

  • Karma: +8/-0
Re: Fuel Problem???
« Reply #1 on: December 03, 2014, 08:09:43 pm »
Electric or mechanical fuel pump?


Sent from my iPhone using SoCal Jet Boats
  • Like
    Dislike
    Love
    HaHa
    Angry
    Surprise
    Sad
    Party

jyeager

  • Karma: +62/-0
Re: Fuel Problem???
« Reply #2 on: December 03, 2014, 08:14:59 pm »
My buddy has a 21ft eliminator daytona with a blown 482 bbc that has dual holley 750s. He ran it labor day weekend and it ran perfect. The next time he took it out it ran fine at idle and on the trailer, but as soon as it got on plane it craps out and dies. It will fire right back up and as soon as you get on plane, same thing again. He replaced a bunch of ignition stuff, plugs wires, msd box, cap and rotor, and the battery thinking it was that, but it still does it. Hes not computer savvy and I told him I would see if any of the experts wanted to chime in or if anyone has had this problem before. Thanks Fellas.

Sounds like water in the gas to me.  :thumbup: :thumbup:
  • Boat #1: Southwind Tunnel Dragster 19
  • Boat #2: DiMarco18 V-Bottom
  • Like
    Dislike
    Love
    HaHa
    Angry
    Surprise
    Sad
    Party

rhino

  • Karma: +2/-0
Re: Fuel Problem???
« Reply #3 on: December 03, 2014, 09:29:03 pm »
Sounds like water in the gas to me.  :thumbup: :thumbup:

I'll tell him to drain the tanks and the lines. He has a separator and he said he changed the filter too but I don't think he did anything else. Thanks jake
« Last Edit: December 03, 2014, 09:31:08 pm by rhino »
  • Like
    Dislike
    Love
    HaHa
    Angry
    Surprise
    Sad
    Party

rhino

  • Karma: +2/-0
Re: Fuel Problem???
« Reply #4 on: December 03, 2014, 09:31:40 pm »
Electric or mechanical fuel pump?


Sent from my iPhone using SoCal Jet Boats

I think it's electric.
  • Like
    Dislike
    Love
    HaHa
    Angry
    Surprise
    Sad
    Party

angermgmt

  • Karma: +8/-0
Re: Fuel Problem???
« Reply #5 on: December 04, 2014, 05:24:55 am »
If he changed all his electronics already check to ensure his fuel psi is correct and carbs adjusted correctly.


Sent from my iPhone using SoCal Jet Boats
  • Like
    Dislike
    Love
    HaHa
    Angry
    Surprise
    Sad
    Party

GT Jets

  • Karma: +192/-0
Re: Fuel Problem???
« Reply #6 on: December 04, 2014, 07:39:51 am »
What kind of ignition coil? Sounds like a coil is dropping.

Might try a spare coil.

Water was my first thought, or a collapsing fuel line on the intake side of the fuel pump.

GT
  • Boat #1: 1992 Carrera 20.5 Elite (I/O bitches)
  • Boat #2: 19' Bubble deck Jet BBC Berkeley
  • Like
    Dislike
    Love
    HaHa
    Angry
    Surprise
    Sad
    Party
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

crewchief22

  • Karma: +66/-0
Re: Fuel Problem???
« Reply #7 on: December 05, 2014, 06:14:51 am »
What kind of ignition coil? Sounds like a coil is dropping.

Might try a spare coil.

GT

Sounds like a coil issue I've had before.
  • Boat #1: '77 Hondo Pantera GT Jet
  • Like
    Dislike
    Love
    HaHa
    Angry
    Surprise
    Sad
    Party
"Racing is life!  Anything that happens before or after, is just waiting"    Steve McQueen

The problem with America is stupidity. I'm not saying there should be a capital punishment for stupidity, but why don't we just take the safety labels off of everything and let the problem solve itself?

rhino

  • Karma: +2/-0
Re: Fuel Problem???
« Reply #8 on: December 05, 2014, 06:18:58 am »
He's running a mechanical fuel pump, not an electric. And we are going to mess with it today so we will see. Gonna probably drain the gas and start fresh there and I'll tell him about the coil.
  • Like
    Dislike
    Love
    HaHa
    Angry
    Surprise
    Sad
    Party

pthomas

  • Karma: +0/-0
Re: Fuel Problem???
« Reply #9 on: December 05, 2014, 08:03:19 am »
Have the carbs been recently rebuilt?
  • Like
    Dislike
    Love
    HaHa
    Angry
    Surprise
    Sad
    Party

rhino

  • Karma: +2/-0
Re: Fuel Problem???
« Reply #10 on: December 05, 2014, 02:52:56 pm »
What kind of ignition coil? Sounds like a coil is dropping.

Might try a spare coil.

Water was my first thought, or a collapsing fuel line on the intake side of the fuel pump.

GT

He's running an msd blaster ss coil.

He's also checking the fuel lines today.
  • Like
    Dislike
    Love
    HaHa
    Angry
    Surprise
    Sad
    Party

Beaveretriever

  • Karma: +34/-0
Re: Fuel Problem???
« Reply #11 on: December 05, 2014, 04:32:36 pm »
He's running an msd blaster ss coil.

He's also checking the fuel lines today.

I to would say coil. When the coil gets a load on it and they are bad they shit the bed. Change the coil and run it 
  • Boat #1: 1981 Eliminator Daytona 19' Jet
  • Boat #2: 2003 22' Placecraft Deck boat
  • Like
    Dislike
    Love
    HaHa
    Angry
    Surprise
    Sad
    Party

lonndog

  • Karma: +0/-0
Re: Fuel Problem???
« Reply #12 on: June 24, 2022, 10:40:52 am »
Was this problem ever fixed? Im having the same issue, but my fuel pressure drops as well.
  • Boat #1: 1978 Crusader
  • Like
    Dislike
    Love
    HaHa
    Angry
    Surprise
    Sad
    Party

 


Null

SMFPacks CMS 1.0.3 © 2022