205GTI plastic inlet manifold
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  1. #1
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    Default 205GTI plastic inlet manifold

    Dose anyone know the different between the plastic manifolds and the metal ones? Apart from the fact that plastic is much more brittle and brakes, which has happened to mine. I have a spare metal one from a series 1, dose anyone know if it will be a direct replacement for the broken plastic one from my series 3?

    Thanks Josh

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  2. #2
    1000+ Posts schlitzaugen's Avatar
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    Never seen a plastic one in person, but glad to hear they're crap, because I was pondering getting one.

    I think the only thing you might want to check is if you have the coil mounting points drilled and tapped on the alloy one you have, because the plastic one mounts the coil on top of it. The early ones don't have the holes drilled and tapped. Not a big deal, the cast bosses are there, but you need to drill and tap yourself.
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  3. #3
    1000+ Posts PeterT's Avatar
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    There are three different manifolds, ie
    Jetronic aluminium (no coil mounts)
    Motronic aluminium (coil mounts)
    Motronic plastic (coil mounts)

    '92 205 Mi16
    '90 Mi16x4

  4. #4
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    Peter, the transition to the manifold mounted ignition coil occurred around 12/89, so there was also
    Jetronic aluminium (coil mounts)

    The plastic manifold came in sometime during 1993.

    I'm not sure if there is a difference between the later aluminium manifold (with coil mounts) fitted to the Jetronic and Motronic.

    Certainly the plastic one required a difference gasket.



    Quote Originally Posted by PeterT View Post
    There are three different manifolds, ie
    Jetronic aluminium (no coil mounts)
    Motronic aluminium (coil mounts)
    Motronic plastic (coil mounts)

  5. #5
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    Thanks all. The aluminium one I have is a Jetronic as it's off a series 1 (87 I think) so I will need to drill and tap the mounts for the coil. But the rest is the same? If there is a different gasket is the shape different?

    I would compare them but I will have to go pick up the metal spare form my parts car and would save myself a few hours driving if they are different.


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  6. #6
    1000+ Posts BIGRR's Avatar
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    Quote Originally Posted by ng850 View Post
    Peter, the transition to the manifold mounted ignition coil occurred around 12/89, so there was also
    Jetronic aluminium (coil mounts)

    The plastic manifold came in sometime during 1993.

    I'm not sure if there is a difference between the later aluminium manifold (with coil mounts) fitted to the Jetronic and Motronic.

    Certainly the plastic one required a difference gasket.
    My 1st near new 1992 205GTi (VF320CDK224970030) had a black plastic inlet.
    Present fleet:-
    Peugeot 93' 205 Gti 16v
    Peugeot 73' 504 Ti from new
    Peugeot 08' 407 Hdi Coupe from new

    Previous fleet:-
    Peugeot 95' 605 Sv
    Peugeot 92' 205 Gti
    Renault 72' 16TS from new
    Renault 69' 10
    Renault 71' 10s
    Renault 68' 10 from new

    "Be reasonable do it my way!"


  7. #7
    1000+ Posts PeterT's Avatar
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    Quote Originally Posted by BIGRR View Post
    My 1st near new 1992 205GTi (VF320CDK224970030) had a black plastic inlet.
    is that the one I repaired? So long ago.......

    '92 205 Mi16
    '90 Mi16x4

  8. #8
    1000+ Posts BIGRR's Avatar
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    No Peter, the Sorrento 92 model only had 28,000km on it when I bought it 1996 and I sold it 1998 at 50,000km. Never had any problems.
    Wish I still had it!!!
    Present fleet:-
    Peugeot 93' 205 Gti 16v
    Peugeot 73' 504 Ti from new
    Peugeot 08' 407 Hdi Coupe from new

    Previous fleet:-
    Peugeot 95' 605 Sv
    Peugeot 92' 205 Gti
    Renault 72' 16TS from new
    Renault 69' 10
    Renault 71' 10s
    Renault 68' 10 from new

    "Be reasonable do it my way!"


  9. #9
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    Thanks for that factoid BIGRR.

    This is one of many change points I have been trying to track down... still not quite there.

    Any other S3 owners want to fess up what type of manifold (ali vs plastic) they have :-)


    Quote Originally Posted by BIGRR View Post
    My 1st near new 1992 205GTi (VF320CDK224970030) had a black plastic inlet.
    Last edited by ng850; 17th November 2017 at 08:00 PM.

  10. #10
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    February 1990 build cars still had coil on inner guard.

  11. #11
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    Interesting. I have a pic of a Jun 90 UK Spec D6B with the coil on the manifold.

    205GTI plastic inlet manifold-d6b-coil.jpg

    I wonder if this is due to the DFZ engine of the AU spec S1/S2 vehicles?

    Were all of our DFZ GTi's fitted with coils bolted to the inner guard?

    Although all our DFZs were 1CW75 spec engines, I don't know whether this is a short engine or complete engine designation so whether a change in coil position would change the designation.

    Quote Originally Posted by neilc View Post
    February 1990 build cars still had coil on inner guard.

  12. #12
    1000+ Posts pug-life's Avatar
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    I had one on my 1993 GTi. But i put it on a car I sold after i swapped an Mi16 in.

    They have a plastic fuel rail as well with the coil mount.

    I tried also tried looking for one. Posted ad on Facebook and on here. NO luck.

  13. #13
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    The plastic intake manifolds were introduced at the 'fag end' of production so you won't see too many over here.

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