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Thread: Help-thread pitch and size of crank bolt

  1. #1
    Join Date
    Mar 2003
    Location
    San Antonio, TX
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    11,038
    We pulled the crank bolt from this gto crankshaft and some metal came out with it, and the tip of the bolt is messed up, thanks a lot whoever did that (we didn't do the first cam)
    So, i want to run a tap in the crank to clean the threads up a little before I try to put this bolt back in.

    What is the size of tap I need? Pitch, size, etc?

    thanks guys!
    allen

  2. #2
    Join Date
    Mar 2003
    Location
    San Marcos Texas
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    4,393
    I think it is M16x2.0.
    2006 Superior Blue Trailblazer SS AWD, Stock as a rock

    Sold: 2002 GMC Sportside Denali front end with a 2002 LS1, FLT level 5, Yank 2600, Trick Turbo, T76, Nelson intercooler, 60LB injectors, Warbro fuel pump, Eaton locker, Magnaflow, 3.42, Nelson Performance Tuning (speed density).

    Sold: 1981 GMC LB RC 1500 2002 4.8L 4L60E 12 bolt 3.73 Richmond Lock Right AC PS Nelson Performance tuning

  3. #3
    Join Date
    Mar 2003
    Location
    San Antonio, TX
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    11,038
    <div class='quotetop'>QUOTE(GMCwantsLS1 &#064; Oct 12 2006, 03&#58;33 PM) [snapback]69079[/snapback]</div>
    I think it is M16x2.0.
    [/b]
    that&#39;s it, i found it, thanks Jeff,
    allen

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