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Thread: ITR Z3 rebuild thread

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  1. #1
    Join Date
    Aug 2005
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    Quote Originally Posted by Crashtest View Post
    your pan can be fixed...
    that is not that bad
    I had a cracked ducati engine case welded before and it worked fine...
    if you cant find a guy down there I am sure someone up here in santa cruz can weld it....
    the hardest part is getting the oil out of the metal to weld it.
    send me your info if you need help..
    crashtest22 at gmail
    Is it alright if I call you JC?? The one chunk is only one piece of many and several rips in the aluminum. Also, it's a double wall casting, with a cast in windage tray, that would need to be removed to get to the inside. Actually, it's a really neat piece and it's also got a double pick-up on the pump, the main rear one and a smaller one in front.

    Quote Originally Posted by NORRIS View Post
    James

    If you can get the pan to me. I know a very good certified welder who can work miracles with aluminum.
    Hey John,

    Thanks for the offer, but I might know someone locally who can do it also.

    James
    STU BMW Z3 2.5liter

  2. #2
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    Aug 2005
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    I've got the motor most of the way apart. Interesting fact about the oil pan is it's a double wall casting with dual sumps, same as on the S-54. If it were a lesser pump, all the internal parts would be avalible seperatly. But since it's a motorsports unit it's only avalible as a single $600 part.


    I suspect that the oil relief has been causing low oil pressure issues. Here are more pictures of the damage:

    The crack in the front sump area, note the built in windage tray and dual wall casting.

    Close up of the rear sump, notice the pieces.

    Note the rip in the back of the sump.

    To fix it I'm thinking of bending up some 3/16" aluminum plate and building a new bottom end for the sump. Maybe even mill in some fins into the plate.

    James
    STU BMW Z3 2.5liter

  3. #3
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    Since video has been added. Here's the last couple of laps before all the carnage:
    http://www.myscca.com/includes/flvpl...autostart=true

    I'll never forget that fateful moment I looked down and decided to up shift to 5th

    James
    Last edited by Z3_GoCar; 08-03-2008 at 02:23 PM.
    STU BMW Z3 2.5liter

  4. #4
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    Here's what I was thinking would be my inspiration for the rebuild paint scheme:



    Would the shark mouth be to over the top on the shark car? What do you think?

    James
    STU BMW Z3 2.5liter

  5. #5
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    raleigh, nc, usa
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    Dude, it's a race car. DO IT.
    NC Region
    1980 ITS Triumph TR8

  6. #6
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    Quote Originally Posted by JeffYoung View Post
    Dude, it's a race car. DO IT.
    Yeah, if I can't do it on a race car, where can it be done?
    STU BMW Z3 2.5liter

  7. #7
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    I just pulled the tape and bolted it up to see how it'd look. What do you think??





    STU BMW Z3 2.5liter

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