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Thread: Bosch Fuel Pump Flow Rates

  1. #1
    Toymods Vice President Chief Engine Builder TheToyman75's Avatar
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    Default Bosch Fuel Pump Flow Rates

    There seems to be allot of mis-information around about what fuel pumps do and don't flow and which pump is the one to choose. Flow rates (In litres per hour) for the Bosch pumps are near on impossible to find online so here are the figures on the more common ones (As quoted by Bosch at 12V running voltage) Part numbers, flow rates and maximum opperating pressures.

    0 580 254 040 = 102 lph (6.5 bar) - (Note - Intank pump)

    B 261 205 413 = 200 lph (8 bar)
    0 580 254 044 = 200 lph (5 bar)
    0 580 254 975 = 165 lph (5 bar)
    0 580 254 910 = 130 lph (5 bar)
    1971 2T-B Celica TA22 ST.
    1973 2T-G Celica TA22, aka "The Unicorn".
    1975 2T-G Celica TA27 GT
    1976 2T-G Celica TA23, aka "The Colonel".
    1985 3F Auto FJ62 Landcruiser
    1989 7M-GTE MA70 Supra, aka "The Poopra"

    History: Rods Classic Celica Sampler thread.

  2. #2
    Forum Sponsor Conversion King
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    Default Re: Bosch Fuel Pump Flow Rates

    did you get them for 13.8v also? that would change their flow/pressure rating but hey im just being picky
    Quote Originally Posted by WHITCHY
    Prefer someone around the Sydney area but will travel a few hours for a good box!

  3. #3
    Junior Member Too Much Toyota oldcorollas's Avatar
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    Default Re: Bosch Fuel Pump Flow Rates

    at what pressure are those flow rates??

    there is a page (was a page?) with a guy with (some car) who did flow testing on a whole bunch of pumps.. will try to find...

    this one? http://www.stealth316.com/2-fuelpumpguide.htm

    hmm, not much bosch info there, sorry
    "I'm a Teaspoon, not a mechanic"
    "There is hardly anything in the world that a man can not make a little worse and sell a little cheaper" - John Ruskin (1819 - 1900)

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  4. #4
    Forum Sponsor Conversion King
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    Default Re: Bosch Fuel Pump Flow Rates

    they are quoted flow figures @ that pressure

    ie 200lph@8bar rail pressure (but at 12v)

    cheers
    linden
    Quote Originally Posted by WHITCHY
    Prefer someone around the Sydney area but will travel a few hours for a good box!

  5. #5
    Junior Member Too Much Toyota oldcorollas's Avatar
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    Default Re: Bosch Fuel Pump Flow Rates

    ahh k.. they are pretty impressive flow figures then at those pressures, esp the B (for big bugger?)
    "I'm a Teaspoon, not a mechanic"
    "There is hardly anything in the world that a man can not make a little worse and sell a little cheaper" - John Ruskin (1819 - 1900)

    AU$TRALIA... come and stay and PAY and PAY!!! The moral high horse of the world!

  6. #6
    Toymods Vice President Chief Engine Builder TheToyman75's Avatar
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    Default Re: Bosch Fuel Pump Flow Rates

    Linden,

    I have some plotted graphs for a couple of those pumps at 13.5v and accross the pressure range but they are tatty and I can't be bothered scanning them They ae also not as reliably accurate as they are not from Bosch but from a reseller we use.
    1971 2T-B Celica TA22 ST.
    1973 2T-G Celica TA22, aka "The Unicorn".
    1975 2T-G Celica TA27 GT
    1976 2T-G Celica TA23, aka "The Colonel".
    1985 3F Auto FJ62 Landcruiser
    1989 7M-GTE MA70 Supra, aka "The Poopra"

    History: Rods Classic Celica Sampler thread.

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