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Thread: What size thread are 4age head bolts?-need to clean up threads in block.

  1. 08-06-2006, 10:45 AM #1
    WHITCHY
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    Default What size thread are 4age head bolts?-need to clean up threads in block.

    Well after leaving my 86 just sitting around for 3 months after a failed HG change I have decided its time to get off my ass and do it properly this time.
    I want to clean up the threads on the block, but I don't know what size tap to get? Can anyone help me out? I have been searching and trying to get back to the tech docs from the old forum but every time I go to the old home page it directs me back to here!
    Thanks heaps to anyone that can help me out!
    Cheers!
    -Whitchy-
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  2. 08-06-2006, 11:14 AM #2
    mic*
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    Default Re: What size thread are 4age head bolts?-need to clean up threads in block.

    Sorry i dont know but ermm, dont you have the bolts mate?

    EDIT: I mean if you do, the tap will have to run in the thread of the bolt, so just take it with you.
    meh...
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  3. 08-06-2006, 11:34 AM #3
    WHITCHY
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    Default Re: What size thread are 4age head bolts?-need to clean up threads in block.

    ah sweet, haha I didn't think of that!
    Cheers!
    -Whitchy-
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  4. 08-06-2006, 12:08 PM #4
    takai
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    Default Re: What size thread are 4age head bolts?-need to clean up threads in block.

    Im pretty sure they are an M10x1.25, but as mic has said just take the bolt along with you.
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  5. 08-06-2006, 01:58 PM #5
    WHITCHY
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    Default Re: What size thread are 4age head bolts?-need to clean up threads in block.

    yep, just got a tap and die set then, the size is M10x1.25!
    Thanks for the help.
    Cheers.
    -Whitchy-
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