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Thread: ARP Headbolt torque specs & sequence

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  1. #1
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    ARP Headbolt torque specs & sequence

    Anyone got them?

  2. #2
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    Quote Originally Posted by DamnYankee View Post
    Anyone got them?

    15---13---11---12---14 tiny ones

    10----3----1----5----9 under valve cover

    7-----6----2----4----8 exhaust

    tighten them 1-15
    Last edited by RedHeartbeat; 03-27-2009 at 08:56 PM.
    See my truck data in the "My Garage" section here... http://www.ls1truck.com/forums/my-ga...tml#post191709

  3. #3
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    80 ft lbs with 30 wt oil. 63 ft lbs with arp moly lube on 11mm bolts.

    6mm bolts get 11 ft lbs with oil or 9 ft lbs with arp moly.
    Last edited by RedHeartbeat; 03-28-2009 at 12:37 AM.
    See my truck data in the "My Garage" section here... http://www.ls1truck.com/forums/my-ga...tml#post191709

  4. #4
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    I hope you have the right set. Can't remember what year block you have. 2004+ has all 10 large bolts the same length. Early models have one short bolt on each end of the head under the rocker arm trays.

    134-3609 for early
    134-3610 for 2004+
    See my truck data in the "My Garage" section here... http://www.ls1truck.com/forums/my-ga...tml#post191709

  5. #5
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    bolting patern is the same as stock, i have both specs for studs at home in houston and im in dfw but if u have actual bolts i have no clue good luck getting it to work out!
    74 Austin Morris Mini 1000 - Daily Coil Spring conversion, lowered, Disc Brake conversion
    FOR SALE: 04 RC/LB Duramax -12 second tow pig, built Allison, Tune, and supporting mods
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  6. #6
    ff_jeff Guest
    What about for the head stud kit from ARP? Is it the same as the bolt kit?

  7. #7
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    Nope. Go to their website ARP | The Official Website of Automotive Racing Products and open the catalog. The specs are at the end the catalog. Check the diameter of the studs and the tensile strength to see what torque specs you're supposed to use on the ones you purchased.
    See my truck data in the "My Garage" section here... http://www.ls1truck.com/forums/my-ga...tml#post191709

  8. #8
    Slimsilverado Guest
    So it is dependant on what year model block you have and not the heads???? I have a 01 5.3 block and im wanting to put 04 heads on...

  9. #9
    Slimsilverado Guest
    answer the darn question!!!

  10. #10
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    oh yeah has to do with the block (different bolt hole depths) i was angry when i relised i bought a 04 block and couldent use my 03and older studs so thats what u will need 03 and older
    74 Austin Morris Mini 1000 - Daily Coil Spring conversion, lowered, Disc Brake conversion
    FOR SALE: 04 RC/LB Duramax -12 second tow pig, built Allison, Tune, and supporting mods
    FOR SALE: 03 Silverado SS -DBRods built 40X, DP, Suspension. Going for fast

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