Fuel cell question
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Fuel cell question

  1. #1
    Living in a cage of fear thatguy's Avatar
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    Default Fuel cell question

    I am replacing the "buggy" tank in the Hydro. It was 10 gallon, but with only a single 1/4"NPT bung in the bottom. Was going to weld in a 1/2" NPT bung for a 10AN feed as well as a top one for 8AN return, but found some repairs on tank I am not keen on. To replace that tank, and weld in new bungs is over $250.00. To me, it makes more sense to replace it with a cell w/foam and do it right fo the same, more or less.

    Here are my questions.

    I am looking at the Summit 10 gallon red aluminum cell. It has a sump and 2 8AN fittings for outlet, 8AN return and vent. I want the 10 gallon because I do not race and we actually do drive it around in short "sessions".
    Here it is:
    http://www.summitracing.com/parts/SUM-291210B/

    All the 10 gallon have 2 ea. 8AN outlets. My new system is 10 AN from tank to 4 way regulator. (Magnafuel)



    1) Is it OK to "Y" the 8AN outlets to a single 10AN feed to pump?
    My plan is to use the Magnafuel Y block between tank and filter/pump inlet.
    Right here:http://www.summitracing.com/parts/MRF-MP-6208/

    2) Do these cells mount with the outlets facing the rear of the boat, or the front? Seems silly to ask, but I have never ran one before.

    3) Does this cell have a "core" in the foam at the filler to dip the tank level with?

    This cell will fit smartly right in the back, but I will have to use 90* 8AN hose ends at the tank outlets if the face the rear. Should be able to run pretty much straight from there.
    Tommy
    Quote Originally Posted by Rexone View Post
    Tommy please remove all Jimsplace quotes from your sig and don't put more back. He doesn't like it and it is against the rules. Thank you.
    "So as through a glass, and darkly
    The age long strife I see
    Where I fought in many guises,
    Many names, but always me."

    Gen. George S Patton

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  3. #2
    gn7
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    Quote Originally Posted by thatguy View Post


    1) Is it OK to "Y" the 8AN outlets to a single 10AN feed to pump?
    My plan is to use the Magnafuel Y block between tank and filter/pump inlet.
    Right here:http://www.summitracing.com/parts/MRF-MP-6208/

    2) Do these cells mount with the outlets facing the rear of the boat, or the front? Seems silly to ask, but I have never ran one before.

    3) Does this cell have a "core" in the foam at the filler to dip the tank level with?

    .
    1)You can tee them together. When the tank gets low and you turn the boat, if either uncovers, the pump stops pumping. Other than that, it will work fine.
    2)Face them to the rear or the pump will starve on accel with a low tank.
    3)There no core hole for a dipstick in the foam. Put you can take an exacto knive and make one. You don't really need to remove foam. Just make a slit in it all the way to the bottom.



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  4. #3
    Living in a cage of fear thatguy's Avatar
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    Quote Originally Posted by gn7 View Post
    1)You can tee them together. When the tank gets low and you turn the boat, if either uncovers, the pump stops pumping. Other than that, it will work fine.
    2)Face them to the rear or the pump will starve on accel with a low tank.
    3)There no core hole for a dipstick in the foam. Put you can take an exacto knive and make one. You don't really need to remove foam. Just make a slit in it all the way to the bottom.
    Thank you sir!

    Although we do drive it around, it is really just back and forth, more or less!
    Not a lot of turning at any speed.
    Tommy
    Quote Originally Posted by Rexone View Post
    Tommy please remove all Jimsplace quotes from your sig and don't put more back. He doesn't like it and it is against the rules. Thank you.
    "So as through a glass, and darkly
    The age long strife I see
    Where I fought in many guises,
    Many names, but always me."

    Gen. George S Patton

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  6. #4
    Boat Nut sleekcrafter's Avatar
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    Be prepaired for the day the foam starts coming apart, that will cause havoc with the fuel system.
    Upper Midwest Power Boat Association
    DRAG BOAT RACING UMPBA #926


  7. #5
    Living in a cage of fear thatguy's Avatar
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    Quote Originally Posted by sleekcrafter View Post
    Be prepaired for the day the foam starts coming apart, that will cause havoc with the fuel system.
    Do you suggest a non-foam cell?
    Tommy
    Quote Originally Posted by Rexone View Post
    Tommy please remove all Jimsplace quotes from your sig and don't put more back. He doesn't like it and it is against the rules. Thank you.
    "So as through a glass, and darkly
    The age long strife I see
    Where I fought in many guises,
    Many names, but always me."

    Gen. George S Patton

  8. #6
    gn7
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    As small as that tank is, you could just remove it. Also, regarding the dual lines out the bottom, there is a chance that one of the lines extends to the back of the tank. If thats the case, you could just extend the other one, and then be able to face the tank foward. The foam will fail in time, and when it does, it time to take it all out or you'll be chansing it for ever. I would just remove it, and you pick up alittle capapcity in the bargain.



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    Distinguished Member David 519's Avatar
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    We ran a tank with foam in our race car. Over 10 years and no issues with it breaking down using VP C-12 or C-14. If the foam was designed for fuel cells, it shouldn't break down. Most cell foams are not compatible with alcohol so if you plan on using it or fuel with alcohol added, definitely go with with a tank with no foam.
    Also, you can buy the fuel cell bungs in -10 or -12 and just upsize one of the -8's and save yourself some plumbing....
    Quote Originally Posted by gn7 View Post
    ....... David 519 is 100% correct........

    Quote Originally Posted by fuelinmyveins82 View Post
    .....I think people forget that racing is supposed to fun. Losing shouldn't be discouraging it should motivate you work on your pile to make it faster.....

  10. #8
    gn7
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    Quote Originally Posted by David 519 View Post
    We ran a tank with foam in our race car. Over 10 years and no issues with it breaking down using VP C-12 or C-14. If the foam was designed for fuel cells, it shouldn't break down. Most cell foams are not compatible with alcohol so if you plan on using it or fuel with alcohol added, definitely go with with a tank with no foam.
    Also, you can buy the fuel cell bungs in -10 or -12 and just upsize one of the -8's and save yourself some plumbing....
    Race fuelis way, way easier on the foam than pump gas. Pump gas has gotten to be some pretty ugly stuff when comes to fuel lines and foam etc. If your running pump and you leave the foam, keep an eye on the filter. David is correct, it may actually be easier to just change the bulkhead fittings out to the size you need.



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  11. #9
    Living in a cage of fear thatguy's Avatar
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    I run 110 race fuel. Normally VP.
    The tank is aluminum, so I'll see what the bungs are, if I can I will just change one to a 10AN.
    Thanks guys.
    Tommy
    Quote Originally Posted by Rexone View Post
    Tommy please remove all Jimsplace quotes from your sig and don't put more back. He doesn't like it and it is against the rules. Thank you.
    "So as through a glass, and darkly
    The age long strife I see
    Where I fought in many guises,
    Many names, but always me."

    Gen. George S Patton

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