ARP Bolts - Head Bolts

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  • mcandmar
    S2Forum Zealot
    • Apr 2004
    • 5118
    • Country: Ireland

    #1

    ARP Bolts - Head Bolts

    Has anybody had any issues with the standard stretch head bolts?

    I'm trying to work when and why you should change to ARPs. The non stretchiness and potential of cracking heads really scares me.

    Also is there any need to upgrade the crank bearing cap bolts or are the Audi ones fine?

    I've heard mention of ARP rod bolts and head bolts but no mention of the ones that hold in the crank in
    91CQ20v - Gone to a new home
    93UR-S4 - The Magic Carpet
    94S2Bus - The Emerald Express
  • caterpillar
    S2Forum Fiend
    • Jun 2004
    • 2480

    #2
    i will change the cranc bearing cap bolts from 10.9 stretch to 12.8 .havent heard they break .....arp does have the kit for audi too,but expensive

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    • Jon441cc
      S2Forum Fiend
      • Dec 2005
      • 2061
      • Country: United Kingdom

      #3
      Originally posted by mcandmar
      I've heard mention of ARP rod bolts and head bolts but no mention of the ones that hold in the crank in
      sigpic

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      • aelred
        S2Forum Maniac
        • Jan 2005
        • 761
        • Country: United Kingdom

        #4
        The ARP head studs are torqued to 65 ft/lb, ARP do crank main bearing cap bolts for similar or slightly more than the head stud conversion.
        Aelred

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        • mcandmar
          S2Forum Zealot
          • Apr 2004
          • 5118
          • Country: Ireland

          #5
          God dammit, everytime i look at that site they have more new goodies

          Thanks,

          Mark.
          91CQ20v - Gone to a new home
          93UR-S4 - The Magic Carpet
          94S2Bus - The Emerald Express

          Comment

          • aelred
            S2Forum Maniac
            • Jan 2005
            • 761
            • Country: United Kingdom

            #6
            I have a spare set of ARP head studs for sale if someone is interested
            Aelred

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            • Jon441cc
              S2Forum Fiend
              • Dec 2005
              • 2061
              • Country: United Kingdom

              #7
              Aelred ,you have a PM
              sigpic

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