504 ti injection information
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  1. #1
    Tadpole
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    Default 504 ti injection information

    I recently got a 504 ti and I am interested in anything that people know about the system eg. Common faults, can brand new injectors be obtained? what is the correct oil to use in the injector pump (I think its a kf6) everyone seems to say a different thing. I understand the basics on how the system works but anything that anyone could tell me would be greatly appreciated.

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  2. #2
    Fellow Frogger!
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    Quote Originally Posted by wicked504
    I recently got a 504 ti and I am interested in anything that people know about the system eg. Common faults, can brand new injectors be obtained? what is the correct oil to use in the injector pump (I think its a kf6) everyone seems to say a different thing. I understand the basics on how the system works but anything that anyone could tell me would be greatly appreciated.
    Factory manual calls for 10W motor oil in the pump. It is a good idea to fill it and empty it a couple of times if you just got it. Make sure you also vent the oil line going to the bottom of the pump (that line has your engine's oil going through it) with the engine running at idle. Check the fuel pressure of your system. Go to www.504.org and download all manuals on acrobat. If you need the detailed KF manual, I can e-mail it to you in a few sections (it is several MB's) if you send me your address. What I would do if I were you is put the car on the exhaust analyzer and take it through the rev range. If all is well, you belong to a very exclusive club and YOU SHOULD NOT TOUCH THE INJECTION SYSTEM! Add a couple of bottles of injector cleaner to your tank, but that should be it. Welcome aboard!

    Thanos

  3. #3
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    Quote Originally Posted by wicked504
    I recently got a 504 ti and I am interested in anything that people know about the system eg. Common faults, can brand new injectors be obtained? what is the correct oil to use in the injector pump (I think its a kf6) everyone seems to say a different thing. I understand the basics on how the system works but anything that anyone could tell me would be greatly appreciated.
    You would most likely have a KF5/XN2 the KF6 is the 1800 cc version not sold here. The XN2 uses manifold vacuum to determine load whereas the KF6 uses throttle position.
    Use auto transmission fluid in the pump, this is the recommendation of injection specialists Morassi and Williams.
    Graham

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    Congratulations on your 504 TI!
    I am in the process sadly of wrecking one - a 1976 LTI.
    You would be wise to get yourself a spare fuel pump - they are becoming hard to find.
    Re the injection pump - 10W oil is the factory recommendation, but you won't be able to get it. However, Penrite make a 10W/30 Classic Polar oil which is quite o.k.
    New injectors can no longer be sourced - get them cleaned if it is really required.
    Check the nylon belt that drives the injection pump [can still buy them $50] - they do stretch & it does seem to improve the performance if you replace it if stretched.
    Best of luck,

  5. #5
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    Quote Originally Posted by John505
    Congratulations on your 504 TI!
    I am in the process sadly of wrecking one - a 1976 LTI.
    You would be wise to get yourself a spare fuel pump - they are becoming hard to find.
    Re the injection pump - 10W oil is the factory recommendation, but you won't be able to get it. However, Penrite make a 10W/30 Classic Polar oil which is quite o.k.
    New injectors can no longer be sourced - get them cleaned if it is really required.
    Check the nylon belt that drives the injection pump [can still buy them $50] - they do stretch & it does seem to improve the performance if you replace it if stretched.
    Best of luck,
    Do you want to sell the inlet manifold seperately?
    Graham

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    Budding Architect ???? pugrambo's Avatar
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    Quote Originally Posted by John505
    Congratulations on your 504 TI!
    I am in the process sadly of wrecking one - a 1976 LTI.
    You would be wise to get yourself a spare fuel pump - they are becoming hard to find.
    Re the injection pump - 10W oil is the factory recommendation, but you won't be able to get it. However, Penrite make a 10W/30 Classic Polar oil which is quite o.k.
    New injectors can no longer be sourced - get them cleaned if it is really required.
    Check the nylon belt that drives the injection pump [can still buy them $50] - they do stretch & it does seem to improve the performance if you replace it if stretched.
    Best of luck,

    castrol still make the oil for these pumps

    be sure that if you ever pull a TI system down that you keep the altimeter and pump together as they are mated for life from the factory
    3 x '78 604 SL

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    Fellow Frogger! John505's Avatar
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    Graham,
    Not at this stage Graham, sorry!
    John

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    Graham, are you after a ti manifold? What do you need? The bit on the head, the chamber or both? I should have some, let me know and I'll have a look next weekend.

    Cheers

    Jim





    Quote Originally Posted by John505
    Graham,
    Not at this stage Graham, sorry!
    John

  9. #9
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    Quote Originally Posted by pug303
    Graham, are you after a ti manifold? What do you need? The bit on the head, the chamber or both? I should have some, let me know and I'll have a look next weekend.

    Cheers

    Jim
    Jim,
    There is a person I know who is about to fit EFI to a Ti and wants an LTI manifold so that the throttle position sensor can be mounted where the transmission kickdown would normally be connected.
    Graham

  10. #10
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    Hi, I'll have a look next weekend. I'm not sure if I still have an LTI one. Will let you know.

    Cheers

    Jim




    Quote Originally Posted by GRAHAM WALLIS
    Jim,
    There is a person I know who is about to fit EFI to a Ti and wants an LTI manifold so that the throttle position sensor can be mounted where the transmission kickdown would normally be connected.
    Graham

  11. #11
    Tadpole
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    Default hi all, thank you everyone for all your help

    i am in the process of replacing the boot floor in the ti i am about 80% done,
    i am replaceing the currant car i drive (which is an xe falcon) with the ti, what a stark contrast in handleing it will be. my name is david chisholm if i didnt already say. im also intending to join the PCCV when the ti is on the road.
    again thankyou all for your help.

    regards david
    Last edited by wicked504; 29th September 2005 at 11:28 PM.

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    [QUOTE=wicked504]i am in the process of replacing the boot floor in the ti i am about 80% done,
    i am replaceing the currant car i drive (which is an xe falcon) with the ti, what a stark contrast in handleing it will be. my name is david chisholm if i didnt already say. im also intending to join the PCCV when the ti is on the road.
    again thankyou all for your help.
    Hi David A few of us will be at the Euroa Show and Shine on Sunday. Drop in and say geday if you get a chance. Regards Hank.

  13. #13
    Tadpole
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    [QUOTE=BigH]
    Quote Originally Posted by wicked504
    i am in the process of replacing the boot floor in the ti i am about 80% done,
    i am replaceing the currant car i drive (which is an xe falcon) with the ti, what a stark contrast in handleing it will be. my name is david chisholm if i didnt already say. im also intending to join the PCCV when the ti is on the road.
    again thankyou all for your help.
    Hi David A few of us will be at the Euroa Show and Shine on Sunday. Drop in and say geday if you get a chance. Regards Hank.
    Hi hank i will be at the show and shine too, i hope to see more french cars there this year, are you entering a car in the show and shine?
    regards David

  14. #14
    Fellow Frogger! BigH's Avatar
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    Look for the car in the avatar. See you there

  15. #15
    Tadpole
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    i notice that most people seem to say that the KF injection system dosent like engine mods like lumpy cams ect. i was thinking that it mite be because the system is tuned to have a certain fuel curve, or is this true only when you modifiy the hell out of the engine?

  16. #16
    1000+ Posts robmac's Avatar
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    Default Kf Injection

    Quote Originally Posted by wicked504
    i notice that most people seem to say that the KF injection system dosent like engine mods like lumpy cams ect. i was thinking that it mite be because the system is tuned to have a certain fuel curve, or is this true only when you modifiy the hell out of the engine?
    The cam is optimised for engine vacuum to operate the Injection system.


    I would give it a dose of megasquirt !

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