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Loss of Compression (re-torque head?)

Discussion in 'General Tech and Maintenance' started by poops87, Apr 24, 2006.

  1. poops87

    poops87 Member

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    What is the recommended amount of miles before a head must be retorqued? because i went from a 150 to a 120 psi range i am going to retorque it today but i wanted to make sure that that is the loss in PSI.



    i have a zc with arp head studs and originally i had put 65 lbs on them the first time in steps of course and in order

    help on this quick would be apprecitated
     
  2. Eye Heart Boost

    Eye Heart Boost Member

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    ^ What he said. You should only need to torque them the first time. Did your car smoke white smoke at all?
     
  3. spydy43

    spydy43 Senior Member

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    Try a leak down test and if you are losing pressure listen to where it is coming from that should tell you where you are losing compression.
     
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