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Fueling issues; Surge tank or fuel cell?

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    #1

    Fueling issues; Surge tank or fuel cell?

    Tired of having fueling issues on track on my e46 m3. Already have two internal pumps inside the oem tank. Does help but its not a total fix.. Thinking of taking the next step and installing a surge tank or maybe a fuel cell as i dont drive my car on the street. It is more race car than street car. For those of you who have fuel cells or surge tanks, please chime in and specify the brand/model you recommend.
    thanks!
    Tags: None
    #2
    I have the bimmerworld dual pump setup, on slicks, pulling impressive lap times out of the car and have run the thing down to damn near empty on this setup. I had a big issue previously as well. Changing the stock tank's fuel pickup sock/mat with a brand new one was the biggest contributor to resolving the issue. The dual pump setup won't help for shit if the stock pickup isn't doing it's job properly. Change that filter/sock out for a new one. Your issues may be resolved for $10.

    Referencing a post from my build thread:

    Originally posted by pMak26 View Post
    Ah, in case anyone was wondering if my fueling issues were solved by the bimmerworld dual pump setup, plus new main pump screen/pickup...

    Click image for larger version Name: IMG_20210907_113010.jpg Views: 404 Size: 85.7 KB ID: 125564

    I was still pushing and never had a fuel cut. This was the level as I came off track and rolled it right onto the trailer.


    ​
    Last edited by pMak26; 10-09-2024, 07:26 PM.
    '02 e46m3 - fully caged track car
    many others

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      #3
      I'll check that out see if that helps.
      thanks

      Comment

        #4
        Originally posted by pMak26 View Post
        I have the bimmerworld dual pump setup, on slicks, pulling impressive lap times out of the car and have run the thing down to damn near empty on this setup. I had a big issue previously as well. Changing the stock tank's fuel pickup sock/mat with a brand new one was the biggest contributor to resolving the issue. The dual pump setup won't help for shit if the stock pickup isn't doing it's job properly. Change that filter/sock out for a new one. Your issues may be resolved for $10.

        Referencing a post from my build thread:

        ​
        Is there a part number for the sock?

        I have a radium bosch conversion and it goes down to about 10l and then I'll get starvation on long fast right handers. One track I go over a steep hill and into a right hand 180 and I will fuel starve there as well.

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          #5
          looked it up. And Could not find a part number.

          Comment

            #6
            I would try to post on the WRL Facebook group and see what setups the E46's are using. I believe my buddies team is using a Radium setup but I'm not sure on the details.

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              #7
              Originally posted by CrookedCommie View Post
              I would try to post on the WRL Facebook group and see what setups the E46's are using. I believe my buddies team is using a Radium setup but I'm not sure on the details.
              i had a friend at the WRL event in Watkins Glenn last weekend. He took a look at some e46s but they are mostly running fuel cells

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                #8
                guess im gonna go with Radium engineering

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                  #9
                  Maybe look into a Holley hydromat

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