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Convertible Conversion

Discussion in '365 GT4 2+2/400/412' started by larryg, Aug 24, 2015.

  1. larryg

    larryg Karting

    Jun 30, 2004
    222
    Louisville, KY
    Full Name:
    Larryg
    Mount detail

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  2. larryg

    larryg Karting

    Jun 30, 2004
    222
    Louisville, KY
    Full Name:
    Larryg
    Disassembly begins


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  3. larryg

    larryg Karting

    Jun 30, 2004
    222
    Louisville, KY
    Full Name:
    Larryg
    The oil pan has to come off so you can remove the oil and water pumps before you can remove the front cover.


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  4. larryg

    larryg Karting

    Jun 30, 2004
    222
    Louisville, KY
    Full Name:
    Larryg
    Finally the front cover is off.


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  5. larryg

    larryg Karting

    Jun 30, 2004
    222
    Louisville, KY
    Full Name:
    Larryg
    Left cylinder head came off relatively easy. You can clearly see that cylinder #10 has been burning coolant. No obvious source other than possibly the head gasket.


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  6. larryg

    larryg Karting

    Jun 30, 2004
    222
    Louisville, KY
    Full Name:
    Larryg
    Picked up a new distraction at the end of November...


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  7. larryg

    larryg Karting

    Jun 30, 2004
    222
    Louisville, KY
    Full Name:
    Larryg
    Finally got the right cylinder head off. Took a lot of patience, big mallets, and plastic pry bars to get it. There was a bunch of corrosion around the base of a couple of the studs.


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  8. larryg

    larryg Karting

    Jun 30, 2004
    222
    Louisville, KY
    Full Name:
    Larryg
    Good look at the bottom end. Hoping we don't find another "while you're at it" in there.


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  9. larryg

    larryg Karting

    Jun 30, 2004
    222
    Louisville, KY
    Full Name:
    Larryg
    Disassembly and cleaning of the cylinder heads.


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  10. larryg

    larryg Karting

    Jun 30, 2004
    222
    Louisville, KY
    Full Name:
    Larryg
    The valves cleaned up nicely with a wire wheel on the bench grinder.


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  11. bundas

    bundas F1 Veteran
    Rossa Subscribed Owner

    Dec 31, 2005
    6,885
    lexington ky usa
    Full Name:
    mitchell barnes
    how this project was going. good to see it moving. say hi to dad, please
     
  12. larryg

    larryg Karting

    Jun 30, 2004
    222
    Louisville, KY
    Full Name:
    Larryg
    Quick update...still sourcing replacement parts but getting closer to start putting things back together. Interesting thing I noticed today, there are two different carbs, 38 DCOE 110 and 38 DCOE 111 but they are in mixed locations. The best I can tell from the parts manual, there is only a minor difference but the 110s belong on bank 1-6 and 111s belong on 7-12...can anyone confirm that?
     
  13. robinlarry

    robinlarry Rookie

    Aug 22, 2007
    6
    Did you ever figure out who did your conversion. BHCC has a 400i with the same reinforcement bars.
     
  14. raemin

    raemin Karting

    Jan 16, 2007
    50
    Lyon (FR)
    Full Name:
    R. Emin
    Just looking at this revived thread, I've spotted this dark mark on the cylinder head. Unfortunately it really looks like the crack that took me so much to time to fix in my cylinder head...
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  15. larryg

    larryg Karting

    Jun 30, 2004
    222
    Louisville, KY
    Full Name:
    Larryg
    Nope, nothing official.
     
  16. larryg

    larryg Karting

    Jun 30, 2004
    222
    Louisville, KY
    Full Name:
    Larryg
    I'll have to dig through more pictures. The cylinder heads weren't perfect but I don't recall there being any indications of a crack.
     
  17. raemin

    raemin Karting

    Jan 16, 2007
    50
    Lyon (FR)
    Full Name:
    R. Emin
    The crack normally begins between the two valve seats and then progresses through the exhaust port until it reaches the coolant. The exhaust port is extremely thin so even a slight crack can leak coolant.

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