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ARP Headset for S14

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    Mortimer
    Kardaanikunkku

  • Mortimer
    replied
    I have used VHT Copper spray with cometic gasket.
    Both head and block surface machined "100%" perfect.
    i have used 3-layer "HP"- cometic, but I suppose it is not available anymore.

    Leave a comment:

  • polobai
    Registered

  • polobai
    replied
    Originally posted by Mortimer View Post
    In supercharged S14 we have used new original headbolts (stock torquing) without any problems in the engines up to 1.8bar / 700hp / 800Nm. With Athena coopperring or Cometic multilayer headgasket.
    There is no need for "better" bolts/studs.
    That’s good to hear-for the cometic gasket did you also spray with copper sealant or install dry?

    Leave a comment:

  • David2002S14UK
    Registered User

  • David2002S14UK
    replied
    Ok, thank you all for the info

    Leave a comment:

  • Mortimer
    Kardaanikunkku

  • Mortimer
    replied
    In supercharged S14 we have used new original headbolts (stock torquing) without any problems in the engines up to 1.8bar / 700hp / 800Nm. With Athena coopperring or Cometic multilayer headgasket.
    There is no need for "better" bolts/studs.

    Leave a comment:

  • polobai
    Registered

  • polobai
    replied
    Vac has them-but i would recommend their ARP head bolts rather than studs as those dont need to be retorqued after running.
    stevesingo
    Registered
    stevesingo do you recommend running the stock/seasoned headbolts on a supercharged build? Thinking with the extra pressure it would be wiser to use the VAC ARP head bolts. I think for a stock rebuild the stock/seasoned headbolts will be fine.

    Leave a comment:

  • bladsville
    Registered User

  • bladsville
    replied
    Originally posted by David2002S14UK View Post

    Hello, who is VAC?
    https://www.vacmotorsports.com/

    Leave a comment:

  • Ron ///Man
    Registered

  • Ron ///Man
    replied
    I have a set of lightly used ARP head studs. PM me for details. I believe I also have a set of used stock head bolts too.

    Leave a comment:

  • David2002S14UK
    Registered User

  • David2002S14UK
    replied
    Originally posted by stevesingo View Post
    BMW Motorsport department used stock head bolts on both GrpA and DTM.

    Do you still feel the need for ARP hardware?
    Hello, I have a S14 I'm rebuilding and it has no headbolts at all, I'd not considered standard ones to be fair but will have a look

    Thank you

    Leave a comment:

  • David2002S14UK
    Registered User

  • David2002S14UK
    replied
    Originally posted by peteb View Post
    Vac usually keeps a stock.
    Hello, who is VAC?

    Leave a comment:

  • Ironhead
    Super Moderator

  • Ironhead
    replied
    Another option....Raceware makes an S14 head stud kit, every bit as good quality as ARP IMHO. I found them several places on the 'net, including this set on Ebay that is a smoking good deal:

    https://www.ebay.com/itm/232020975256

    Leave a comment:

  • peteb
    Registered

  • peteb
    replied
    Vac usually keeps a stock.

    Leave a comment:

  • 1990m3
    ::dedicated::

  • 1990m3
    replied
    Originally posted by stevesingo View Post
    BMW Motorsport department used stock head bolts on both GrpA and DTM.

    Do you still feel the need for ARP hardware?
    Yes, they did and yes they work great and seem to be a part that lasts for a long time. The head bolts are not always available from BMW, lately I have heard people needing to use ARP studs due to no other options. Supply chain is affecting everything.

    Leave a comment:

  • stevesingo
    Registered

  • stevesingo
    replied
    BMW Motorsport department used stock head bolts on both GrpA and DTM.

    Do you still feel the need for ARP hardware?

    Leave a comment:

  • David2002S14UK
    Registered User

  • David2002S14UK
    started a topic ARP Headset for S14

    ARP Headset for S14

    Hello

    Hopefully this is the right area, I need a set of ARP head bolts/studs for a S14, can anyone point in the direction of a dealer/stock that actually has them in stock.

    ARP 201-4605

    I'm based at Lancaster California

    TIA
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