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Thread: Caterham CSR260 Fuel Pump

  1. #1
    Join Date
    Feb 2009
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    NYC
    Posts
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    Default Caterham CSR260 Fuel Pump

    With Caterham no longer supplying the fuel pump as a part, this thread is a future memory aid to other CSR owners as they encounter this problem.

    According to both Cosworth and Minster, the CSR260 engine needs fuel pressure of 4.3 bar or 62 psi. Further, the pump needs to produce a fuel flow under load of 1.4 liters per minute.

    The original pump was used in the following vehicles:
    Rover 200 1.4i to 1.9i from 1995 to 1999
    Rover 400 1.4i to 1.6i from 1996 to 2000
    Rover 45 1.4i and 1.6i from 1996 to 2000

    And evil vehicles they were too.
    Mike
    2010 Caterham CSR with Cosworth 2.3 Duratec
    2018 Caterham 420R with 2L Duratec 210hp at Donington UK
    1975 BMW CSL Group 4 (restoration finished - track set up time)
    1977 Holden Torana "A9X" (awaiting restoration)
    1985 Holden Commodore SS Group A (suspension restoration)
    1985 Holden Commodore Group A (suspension set up)
    1982 Ferrari 400i (radiator replacement)
    1965 Ford Mustang Fastback "Holman Moody"
    1992 Ford Escort RS Cosworth WRC (dyno time)
    1990 Range Rover 2 door Classic
    and another project car coming....

  2. #2
    Join Date
    Feb 2009
    Location
    NYC
    Posts
    5,038

    Default

    Photos of in tank pump



    Mike
    2010 Caterham CSR with Cosworth 2.3 Duratec
    2018 Caterham 420R with 2L Duratec 210hp at Donington UK
    1975 BMW CSL Group 4 (restoration finished - track set up time)
    1977 Holden Torana "A9X" (awaiting restoration)
    1985 Holden Commodore SS Group A (suspension restoration)
    1985 Holden Commodore Group A (suspension set up)
    1982 Ferrari 400i (radiator replacement)
    1965 Ford Mustang Fastback "Holman Moody"
    1992 Ford Escort RS Cosworth WRC (dyno time)
    1990 Range Rover 2 door Classic
    and another project car coming....

  3. #3
    Join Date
    Feb 2009
    Location
    NYC
    Posts
    5,038

    Default

    Close up of codes from tank top plate

    Mike
    2010 Caterham CSR with Cosworth 2.3 Duratec
    2018 Caterham 420R with 2L Duratec 210hp at Donington UK
    1975 BMW CSL Group 4 (restoration finished - track set up time)
    1977 Holden Torana "A9X" (awaiting restoration)
    1985 Holden Commodore SS Group A (suspension restoration)
    1985 Holden Commodore Group A (suspension set up)
    1982 Ferrari 400i (radiator replacement)
    1965 Ford Mustang Fastback "Holman Moody"
    1992 Ford Escort RS Cosworth WRC (dyno time)
    1990 Range Rover 2 door Classic
    and another project car coming....

  4. #4
    Join Date
    Feb 2009
    Location
    NYC
    Posts
    5,038

    Default

    Photo of pump mounted on top of tank

    Mike
    2010 Caterham CSR with Cosworth 2.3 Duratec
    2018 Caterham 420R with 2L Duratec 210hp at Donington UK
    1975 BMW CSL Group 4 (restoration finished - track set up time)
    1977 Holden Torana "A9X" (awaiting restoration)
    1985 Holden Commodore SS Group A (suspension restoration)
    1985 Holden Commodore Group A (suspension set up)
    1982 Ferrari 400i (radiator replacement)
    1965 Ford Mustang Fastback "Holman Moody"
    1992 Ford Escort RS Cosworth WRC (dyno time)
    1990 Range Rover 2 door Classic
    and another project car coming....

  5. #5
    Join Date
    Feb 2009
    Location
    NYC
    Posts
    5,038

    Default

    Matching up the part number WFX100631 produces the following part supplier

    https://rimmerbros.com/Item--i-WFX100631


    The fuel tank float is not correct for a Caterham fuel tank but the old one can be swapped over.


    A longer term solution is to open the white plastic housing and replace the internal pump itself should the housing become no longer available by way of this supplier.
    Mike
    2010 Caterham CSR with Cosworth 2.3 Duratec
    2018 Caterham 420R with 2L Duratec 210hp at Donington UK
    1975 BMW CSL Group 4 (restoration finished - track set up time)
    1977 Holden Torana "A9X" (awaiting restoration)
    1985 Holden Commodore SS Group A (suspension restoration)
    1985 Holden Commodore Group A (suspension set up)
    1982 Ferrari 400i (radiator replacement)
    1965 Ford Mustang Fastback "Holman Moody"
    1992 Ford Escort RS Cosworth WRC (dyno time)
    1990 Range Rover 2 door Classic
    and another project car coming....

  6. #6
    Join Date
    Sep 2006
    Location
    Southeastern Pa.
    Posts
    2,853

    Default

    You forgot to mention you fixed your fuel gauge issue too with the swap.
    Mangia bene, Ridi spesso, Ama molto, Guidare veloce

    2000 Caterham Superlight #123
    1.8L VHPD Rover K Series
    2009 Caterham SV
    2.3L Cosworth Duratec

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