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Posted by Jaybyrd76, May 9, 2018

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  1. Jaybyrd76

    Jaybyrd76 Probationary Member

    11
    0
    Joined May 9, 2018
    Marietta, Georgia
    I have a 99 Eclipse RS that I have turned into a race car at the local dirt track in the Stinger division. 3 races under my belt now first and third race's coming out of turn 1 into 2 or coming out of Turn 3 into 4 starts skipping and sputtering losing power. power does not come back until quarter way down the straightaway front and back. new distributor wires plugs cam sensor unable to drive on the streets is no longer street legal any help would be appreciated
     

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  2. twicks69

    twicks69 DSM Wiseman

    3,162
    563
    Joined Mar 12, 2004
    Milwaukee, Wisconsin
    How do you have your fuel cell baffling and pickup placed? Are you running a surge tank? Or are you running the stock tank and pickup assembly? You could try a clunk in the tank or a hydramat. You could easily be cavitating the fuel pump.
     
    My DSM:
    1999 Mitsubishi Eclipse GSX

    Drag Race Build

    9.499 @ 155.00 MPH
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  3. Jaybyrd76

    Jaybyrd76 Probationary Member

    11
    0
    Joined May 9, 2018
    Marietta, Georgia
    I thought about that as well. We are not allowed to run fuel cells has to be stock style fuel system I had less gas in Race 2 then I did in race 1 or 3 and did not have the problem in Race 2. Is there a baffle I can install in a factory fuel tank?
     
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  4. twicks69

    twicks69 DSM Wiseman

    3,162
    563
    Joined Mar 12, 2004
    Milwaukee, Wisconsin
    Well, if you are running a stock tank, you could try a clunk or a hydramat then. The stock tank completely sucks. You could make baffling for it.

    Are you going fast and turning right or going fast and turning left? (being honest, not funny; fuel pump pickup is on right side of tank)

    Can you run an external fuel pump or a surge tank?

    If you could run an external fuel pump then you can simply run 2 clunks with some gates 27093 5/16" hose and a couple aluminum or brass clunks. OR run a Holley Hydramat fuel pickup. The clunks are cheaper, and you can get a Walbro 255HP GSL392 external pump for cheap. Or make a surge tank.
     
    Last edited: May 9, 2018
    My DSM:
    1999 Mitsubishi Eclipse GSX

    Drag Race Build

    9.499 @ 155.00 MPH
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  5. Jaybyrd76

    Jaybyrd76 Probationary Member

    11
    0
    Joined May 9, 2018
    Marietta, Georgia
    I
    I am topped out in 2nd automatic and turning left tap brakes just before the corner to slide rear end out and then back on throttle full pulling through corner. So that should be throwing all the fuel to the passenger side of the car I need to check the rule books to see if I can run an external fuel pump I do not think that I'm able to.
     
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  6. twicks69

    twicks69 DSM Wiseman

    3,162
    563
    Joined Mar 12, 2004
    Milwaukee, Wisconsin
    Ok, it still sounds like maybe it is a slosh issue though. Take a look at the rule book to see if you can run a surge tank or an external electric pump.
     
    My DSM:
    1999 Mitsubishi Eclipse GSX

    Drag Race Build

    9.499 @ 155.00 MPH
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  7. Jaybyrd76

    Jaybyrd76 Probationary Member

    11
    0
    Joined May 9, 2018
    Marietta, Georgia
    Will do. I will let you know.
     
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  8. Jaybyrd76

    Jaybyrd76 Probationary Member

    11
    0
    Joined May 9, 2018
    Marietta, Georgia
    Is dose not say i can not run either one of these I am taxon a copy of the rules thank you for all the help you've given me
     

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  9. Murdertalon

    Murdertalon Proven Member

    213
    41
    Joined Jul 7, 2016
    East side, Washington
    Also check grounds to block and head. I have had weird issues and power loss from grounding issues on cars. I had a ground strap break on my gen1 neon and the head wasnt grounded well.. so much resistance it was causing sensors to freak out.
     
    My DSM:
    1995 Eagle Talon TSi AWD

    Street Build

    15.9 @ MPH
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  10. Jaybyrd76

    Jaybyrd76 Probationary Member

    11
    0
    Joined May 9, 2018
    Marietta, Georgia
    I have had grounding issues on cars before that was one of the first things I checked I even added an extra ground strap. But thank you for your input. All help and advice is welcome.
     
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  11. Jaybyrd76

    Jaybyrd76 Probationary Member

    11
    0
    Joined May 9, 2018
    Marietta, Georgia
    It is not the tank, fule pump or filter. This last race about 11 laps in it started spitting sputtering and cutting out almost did not complete the race. I have replaced the camshaft sensor could the crankshaft sensor be faulty when the car gets hot and cause this issue?
     
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  12. twicks69

    twicks69 DSM Wiseman

    3,162
    563
    Joined Mar 12, 2004
    Milwaukee, Wisconsin
    I don't see why you would have issues with a crank sensor as temperature increases. Are you sure it isn't a fuel pump that is getting overloaded and not working optimally? Have you already rewired the fuel pump assembly with better wiring?
     
    My DSM:
    1999 Mitsubishi Eclipse GSX

    Drag Race Build

    9.499 @ 155.00 MPH
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  13. tametalon92

    tametalon92 Proven Member

    1,412
    272
    Joined Jan 5, 2012
    Rathdrum, Idaho
    I had a buddies 98 gs spit and sputter, then it started dying all together. Turned out the CKP was getting oil inside the housing once it warmed up, then once we let it sit and cool it would work fine for a bit.
     
    My DSM:
    1992 Eagle Talon TSi AWD

    Street Build

      manual
    1992 Eagle Talon TSi AWD

    Street Build

    14b   manual
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    Jaybyrd76 likes this.
  14. twicks69

    twicks69 DSM Wiseman

    3,162
    563
    Joined Mar 12, 2004
    Milwaukee, Wisconsin
    My DSM:
    1999 Mitsubishi Eclipse GSX

    Drag Race Build

    9.499 @ 155.00 MPH
    Loading...
    Jaybyrd76 likes this.
  15. Jaybyrd76

    Jaybyrd76 Probationary Member

    11
    0
    Joined May 9, 2018
    Marietta, Georgia
    Thank you all for your input.. I ordered a new one will put it on and run it Saturday. I will let y'all know if it works...
     
    My DSM:
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