malpassi fuel reg ?
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  1. #1
    Fellow Frogger! bazgti's Avatar
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    Default malpassi fuel reg ?

    my feul reg is suspekt and am looking at the malpassi 0 2g fuel reg that mr rukus bought from mr myt205.
    one or two ?-it seems to have a valve or inlet on the bottom of it,what is this for.
    does it boost the fuel pressure to a toleranses that might not be good for your seals in the fuel line and system.
    kan it run on a standard 205 setup with no alterations.
    are there any adjustments that need to be done after fitting or is it just a matter of taking one off and putting the malpassi in its plase.
    as i need to replase mine is this a good option or should i get a new bosh one.
    does it inrease the pressure from 2.5 ti 3 psa,my mekanik told me to find out this info
    i have pm darren but i have not got an answer and i need to move on this
    thank you and forgive my lak of patiense.and the faKt that the letter see is not working on my keyboard,no i kan spell-BAZZ

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  2. #2
    1000+ Posts tekkie's Avatar
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    See the arrows in the above pic? Thats the fuel flow direction.
    Why 2 inlets? 2 fuel rails, or can be used to install fuel pressure guage, or can be blocked off.

    bottom opening - straight to fueltank return.

    Top opening. Hose to vacum on manifold.

    Top screw. Adjustment screw. You will need to adjust the fuel pressure with an aid of some sort of fuel pressure guage.


    btw.
    I have been advised by a tuner not to install the fuel regs on the engine itself. Vibrations will cause premature wear. How true? No idea. I installed mine on firewall.
    .
    1300cc's of jap buzzbox delivered the times below.

    EC 1:54.6 , Wakefield 1:13.15 , OP (short) 52.00 , OP GP 1:24.40


  3. #3
    Fellow Frogger! bazgti's Avatar
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    Quote Originally Posted by tekkie


    See the arrows in the above pic? Thats the fuel flow direction.
    Why 2 inlets? 2 fuel rails, or can be used to install fuel pressure guage, or can be blocked off.

    bottom opening - straight to fueltank return.

    Top opening. Hose to vacum on manifold.

    Top screw. Adjustment screw. You will need to adjust the fuel pressure with an aid of some sort of fuel pressure guage.


    btw.
    I have been advised by a tuner not to install the fuel regs on the engine itself. Vibrations will
    cause premature wear. How true? No idea. I installed mine on firewall.
    thanks tekkie,concise answer,ill get a mechanic to install it.
    btw ,how do you like yours and why in paticular did you buy it?-BAZZ

  4. #4
    1000+ Posts tekkie's Avatar
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    the one i have is identical to that one in pic.

    Im running mine to up the fuel rail pressure after enlarging the TB and MAF.
    Its a cheap way to run richer mixture.
    .
    1300cc's of jap buzzbox delivered the times below.

    EC 1:54.6 , Wakefield 1:13.15 , OP (short) 52.00 , OP GP 1:24.40


  5. #5
    Fellow Frogger! bazgti's Avatar
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    Quote Originally Posted by tekkie
    the one i have is identical to that one in pic.

    Im running mine to up the fuel rail pressure after enlarging the TB and MAF.



    Its a cheap way to run richer mixture.
    mines the same i think,not sure if the rubber is that thick,ionly had a quick look at it and havnt picked it up yet.
    just a quick question if i may,the standard bosch dosnot run a fuel tank return ,is this correct.
    how do you hook this one up?
    it just seems to have in and out?although my mechanic will be doing it ,i just want to know.
    i was told not to mount to fuel rail but mount on fire wall, but it seems that s what most people do.also what is the correct standard pressure to run it at, is it 2,- 2.5 bar 38-45 psi?,
    im paying $100 second hand is this a fair price?,the seller seems genuine-BAZZ
    Last edited by bazgti; 11th November 2004 at 06:14 PM.

  6. #6
    Fellow Frogger! bazgti's Avatar
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    p.s do you know the actual model number of the one in the foto,i cant find it on their site-BAZZ

  7. #7
    1000+ Posts tekkie's Avatar
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    if you have fuel injection you would in most probability run a return line. Check with PeterT or Parry. If you have a carby model I am not sure if the fuel reg you purchased is ok.

    There are only two models available from malpassi. One for NA and one for Turbo, (deal with different manifold pressure vs vacumm).

    I cannot help you much with my car as it isnt a frog. (suzuki swift).



    --edit--
    $100 is a great price for what is essentially new regulator.
    Last edited by tekkie; 11th November 2004 at 09:45 PM.
    .
    1300cc's of jap buzzbox delivered the times below.

    EC 1:54.6 , Wakefield 1:13.15 , OP (short) 52.00 , OP GP 1:24.40


  8. #8
    Fellow Frogger! bazgti's Avatar
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    yeah its fuel injection and has been taken off another 205 race car,i will pm orig owner[myt205]for the relevant info,ta -BAZZ

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