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Thread: X20XEV manifold gaskets + manifold studs

  
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    X20XEV manifold gaskets + manifold studs

    Just wondering if there was a revision on the exhaust manifold gasket and studs.

    I am goi to be fittig the Lexmaul manifold and 200 cell sports CAT with custom section to mate witht he lexamul manifold and rets of the stainless exhaust system in the next week but I am sure I read somwhere that Vauxhall revised the gasket and studs due to the common stud shearing problem.

    Can anyone confirm this

    Also as the trade club discount has not come into effect does anyone have trade club discoutn status that could help me get the parts I need.

    Thanks

    Mark
    Hey YOU See Oooour Reeegin Noooo ! Toss Yer Caber Here


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    Mark, it looks like there was because the part numbers changed - and not just a case of superseded PNs either..

    Manifold Gasket (early XEV models & all XER) 90411887 (still available as far as I know)
    Manifold Gasket (later XEV models) 24443291
    **Assuming this is the revision as both appear to be still available**

    M8 x 39 Manifold Studs - Original Part Number was 90412195 but then changed to 90106924 - unsure if this was just natural superseded numbers or indeed a revision.

    Self Locking Copper M8 Nuts - again another superseded part number....original 9129415 but since replaced with 11082413

    Cant confirm if any of the above are revisions but maybe Vauxhall will know for certain...

    I can get u a trade price on these if u wish - but would rather have someone confirm they are indeed stronger revised components.

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    Thank you kind sir..... How do you reckon I could confrim if the revisions are for a better item - where is Dave Dempsey when you need him
    Hey YOU See Oooour Reeegin Noooo ! Toss Yer Caber Here


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    ive been told to do the swap when the engine is a little hot to avoid the studs snapping
    Drives - Phase 2 Astra Mk3 Gsi = 139.56 BHP with 138.81 Torque

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    Strange as I would have thought the colder the engine the better, can anyone confirm....?

    Last time i did them the engine was still warm, as arrive at my parents to do the job. Just fed up that around 35k later they have sheared again hence the question on the stud revision. Hopfully the Lexmaul should dissipate the heat better and reduce this problem as don't wnat to ahve to replace the studs again at 80k

    I am presuming this is the later revise manifold gasket



    As oppose to



    I am sure i fitted the top one the last time i did it.
    Hey YOU See Oooour Reeegin Noooo ! Toss Yer Caber Here


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    from what i was told as there COLD they are more likely to split as there brittle, but as there warm they will have more give in them! my mate does manifolds etc all the time & thats the method he uses!

    so whats needed to change the manifold gasket wise?
    Drives - Phase 2 Astra Mk3 Gsi = 139.56 BHP with 138.81 Torque

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    Will give it a go and see how I get on.

    I need the gasket between the manifold and the head and also the gasket between the manifold and downpipe.

    One of these. But if you have bought a lexamul manifoold for your C18XE it won't need this as your Lexmaul is on piece

    Hey YOU See Oooour Reeegin Noooo ! Toss Yer Caber Here


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    Well I got a replacement gasket for the manifod and its different again to the ones picture in terms of its construction (layout is the same), it looks like a 3 layer metal stamped gasket, is the revised version?

    I stipped off the manifold and down pipe + cat section yesterday, so I will be takign them and the Lexmaul manifold and sports cat to get a new CAT section made up to bolt up the the Lexmaul manifold then its puttig it all back together and hopfully gaining a few extra ponies
    Hey YOU See Oooour Reeegin Noooo ! Toss Yer Caber Here


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    Which manifold gasket would you say is better...?

    The one I got from Vauxhall is a 3 layer metal stamped wafer type as oppse to the other 2 pictured....
    Hey YOU See Oooour Reeegin Noooo ! Toss Yer Caber Here


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