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Thread: 730 cylinder head

  1. #1
    Join Date
    Oct 2009
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    australia
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    My Cars
    1986 535i

    730 cylinder head

    Hi all - just pulled the head off of a friends 730 (blown gasket - overheated) its in good condition (no rot) except for being warped - my question is - is there a way to get it faced without disassembling the rocker gear ?

  2. #2
    Join Date
    Oct 2009
    Location
    australia
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    42
    My Cars
    1986 535i
    Quote Originally Posted by thepitscars View Post
    Hi all - just pulled the head off of a friends 730 (blown gasket - overheated) its in good condition (no rot) except for being warped - my question is - is there a way to get it faced without disassembling the rocker gear ?
    Yes well - on rotating the cam there is a position where a valve on No6 is fully extended and a valve on No2 is partially extended - so couldn't I back out the rockershaft enough to get the No6 rocker off and take the valve clearance adjuster disc off the rocker for No2 and have all the valves shut enough to face the head ? - although - seeing the head is warped by about 0.15 thou am I just wasting my time ?

  3. #3
    Join Date
    Sep 2006
    Location
    NW suburban Chicago
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    16,302
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    hiss by my window
    The cam needs to come out. .015" is no problem, be sure to have the timing cover milled along with the head.

    If you can leave two black stripes from the exit of one corner to the braking zone of the next, you have enough horsepower. - Mark Donohue

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