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  1. #1
    krouchchocolate's Avatar
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    Question about ARP studs for cylinder head

    Had a few questions on installing the arp studs for the cylinder head.

    1) Do I use the arp lube to install the studs into the block?
    2) What torque should I install the studs at when installing it into the block?
    3) Is it best to install the studs into the block first then put the head on or install the head first and then install the studs?


  2. #2
    RXP 260 X Short Course Veteran RXP244's Avatar
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    I know the answer to the 3rd question..... It really doesn't matter, but head down first is always the best option. All eight studs will never be standing perfectly straight and you can almost never get the head down on all eight. But you need to know the answers to the first 2 questions first.

    On another note, I would like to know from anyone running 1/2 inch ARP's like me, what torque are you finishing up on?

    Not meant to be a hijack

  3. #3
    RXP 260 X Short Course Veteran RXP244's Avatar
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    Pretty sure ARP say to screw the studs in dry. Clean but no lube. To prevent the stud from hydraulocking. Is that a word ?

  4. #4
    monaroman76's Avatar
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    Quote Originally Posted by krouchchocolate View Post
    Had a few questions on installing the arp studs for the cylinder head.

    1) Do I use the arp lube to install the studs into the block?
    2) What torque should I install the studs at when installing it into the block?
    3) Is it best to install the studs into the block first then put the head on or install the head first and then install the studs?
    Yes, use the ARP lube that comes with the studs. Only install the studs hand tight into the block, then torque the nuts up to 95 ft/lbs. (30,60,80,95) Re-torque the nuts after a few heat cycles.

  5. #5
    krouchchocolate's Avatar
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    Quote Originally Posted by monaroman76 View Post
    Yes, use the ARP lube that comes with the studs. Only install the studs hand tight into the block, then torque the nuts up to 95 ft/lbs. (30,60,80,95) Re-torque the nuts after a few heat cycles.
    Do I use the arp lube to install the studs into the block?

  6. #6
    RXP 260 X Short Course Veteran RXP244's Avatar
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    My understanding is that there is no lube on the stud threads into the block. The lube is to go on the washer between head and washer, and between washer and nut and the top threads of the stud.

  7. #7
    krouchchocolate's Avatar
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    Has anyone ever heard of this technique where you stretch the arp studs by torquing it down, loosen the studs, then retorque it. You do this method a few times to stretch the studs.

  8. #8
    RXP 260 X Short Course Veteran RXP244's Avatar
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    Yes, I have read that somewhere. But I think if you run the setup through a heat cycle or 2 and retorque after each you should be good.

  9. #9
    krouchchocolate's Avatar
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    Quote Originally Posted by RXP244 View Post
    Yes, I have read that somewhere. But I think if you run the setup through a heat cycle or 2 and retorque after each you should be good.
    I figured that method was the same as retorque it after running the ski for a few mins.

  10. #10
    monaroman76's Avatar
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    Quote Originally Posted by krouchchocolate View Post
    Do I use the arp lube to install the studs into the block?
    I used a little bit on the threads that go into the block from memory.

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