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final torque # in ft lbs for heads

This is a discussion on final torque # in ft lbs for heads within the Internal Engine forums, part of the LSx Technical Help Section category; is there a final number for head torque specs on ls1 heads using gm bolts.i started torquing at 22lbs on ...

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    middle aged teenager WS6S's Avatar
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    final torque # in ft lbs for heads

    is there a final number for head torque specs on ls1 heads using gm bolts.i started torquing at 22lbs on the 15 mm bolts then made a second pass at 50 ft lbs.im not sure if i should stop there and just do the 10 mm at 22 ft lbs and be done with them ?

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    Member importhater81's Avatar
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    15 mm bolts first pass torque of 22 ft/lbs
    2nd pass of 90 degrees on the 15 mm bolts
    3rd pass of 90 on the 15's except fot the 2 on the outside of the head under the valve cover...only 50 degrees on the 3rd pass for those 2 bolts.

    Then torque the 10 mm bolts to 22 ft/lbs.

    I know you asked for ft/lbs...but the angle meter way is the only way I've ever did them
    Last edited by importhater81; 06-26-2010 at 02:41 PM.

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    Veteran 0rion's Avatar
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    check out the write up at ls1howto.com it doesn't give you ft/lbs for stockers but does for ARP and it tells you how to torque the stockers.

    http://www.ls1howto.com/index.php?article=1

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    middle aged teenager WS6S's Avatar
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    Quote Originally Posted by 0rion View Post
    check out the write up at ls1howto.com it doesn't give you ft/lbs for stockers but does for ARP and it tells you how to torque the stockers.

    http://www.ls1howto.com/index.php?article=1
    ya i was paying attention to the install notes for the arp bolts but i was using the gm ones,anyway i just did 22 / 55 / 80...hopefully that will be ok. thanks for the replys

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