Can tty bolts be replaced with non-tty

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  • OldSkoolE3
    Advanced Member
    • Feb 2011
    • 137

    #1

    Can tty bolts be replaced with non-tty

    Pretty much what the title says. Anyone replace tty head or rod bolts with grade 8 or higher metric bolts??
  • Wh33lhop
    R3V OG
    • Feb 2009
    • 11705

    #2
    CAN they be? Sure. Would I do it? No. This is an instance in which they are that way for a good reason. Take the care and time to find the proper hardware and do it right.
    paint sucks

    Comment

    • OldSkoolE3
      Advanced Member
      • Feb 2011
      • 137

      #3
      I dont see spending 8$ a bolt on tty if i can use a standard bolt. Stretching a bolt with a dial gauge doesnt seem as consistant as torquing it. Maybe its just my background in engine building.

      Comment

      • lolcantturn
        R3V Elite
        • Oct 2010
        • 4588

        #4
        Originally posted by OldSkoolE3
        I dont see spending 8$ a bolt on tty if i can use a standard bolt. Stretching a bolt with a dial gauge doesnt seem as consistant as torquing it. Maybe its just my background in engine building.
        Are you bloody well out of your mind? These are bolts that hold fucking 180PSI together under an explosion, you better fucking hope to pay $8 a bolt.
        Originally posted by TSI
        ♫ Rust flecks are falling on my head...♫
        OEM+

        Comment

        • Jafxod
          E30 Fanatic
          • May 2011
          • 1301

          #5
          I mean or you could also try drywall screws.



          Go buy a honda.

          Comment

          • OldSkoolE3
            Advanced Member
            • Feb 2011
            • 137

            #6
            Well then ill spend 40 dollars a rod and stud them... this is just stupid. Im not gonna spend 8$ a bolt just to throw them away in 12 months when the motor comes back apart.

            Comment

            • Justin B
              Sikky Nar Nar
              • Mar 2005
              • 4273

              #7
              A whole stock headbolt set is less than 30 bucks, quitcherbitchin', or upgrade to ARP studs or something and spend 10x the price of a head bolt kit.


              OR


              Hmm, I'd go with stock if you're not boosted. It's less money than a tank of gas.
              Last edited by Justin B; 12-19-2011, 11:10 PM.

              Comment

              • OldSkoolE3
                Advanced Member
                • Feb 2011
                • 137

                #8
                I am boosted and it isnt a street car. I tear the motor down at the end off the season to look things over and replace gaskets and bearings if need be. Sounds like studs are going to be worth it in the long run...

                Comment

                • OldSkoolE3
                  Advanced Member
                  • Feb 2011
                  • 137

                  #9
                  gasket failure caused by inferior OEM head-bolt stretch.
                  This is the #1 cause of premature head gasket failure, especially on boosted or high output engines. Right from arp's site!

                  Vac sells arp rod bolts for 16$ ea.... that pays for its self after one rebuild...

                  Comment

                  • Dj Buttchug
                    R3V OG
                    • Jun 2010
                    • 7629

                    #10
                    invest in arp hardware. they can be re used several times and they are proven

                    end thread

                    Turbo M42 Build Thread :Here
                    Ig:ryno_pzk
                    I like the tuna here.
                    Originally posted by lambo
                    Buttchug. The official poster child of r3v.

                    Comment

                    • Justin B
                      Sikky Nar Nar
                      • Mar 2005
                      • 4273

                      #11
                      I agree then, I'd upgrade to the ARP stuff especially with your application.

                      Comment

                      • MR 325
                        Moderator
                        • Oct 2003
                        • 37825

                        #12
                        ARP all the way.
                        BimmerHeads
                        Classic BMW Specialists
                        Santa Clarita, CA

                        www.BimmerHeads.com

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