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Think I blew my 3400

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  • #16
    glad you found the prob. that'd suck big time to tear down and find nothing.
    Andy

    sigpic

    fastest 1/8: 10.19@ 67.17
    fastest 1/4: 16.16@ 82.70

    62mm TB, 1.6 roller tip rockers, Ostrich 2.0, UD pulley, TB heater bypass, K&N, 180* stat, No cat, 99Grand AM dual cooling fans. 4T65E swap FDR 3.69, EP LSD, F.A.S.T. transmission controller, TransGo shift kit.

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    • #17
      Yeah I decided to tear it down. Heads are at a machine shop getting checked out. I am going to pull the motor and take it all the way apart. Any ideas on affordable pistons to bump the compression? I cant spend too much on it as money is tight now. I would love to cam it now too but it's just not in the cards at the moment. I think this one will be a learning experience and then bench build a spare as time and money permits.

      Edit: Will 3.4 DOHC pistons safely raise me to 11.5-1 without any issues aside from tuning? I live near Germ from DPP and he would be able to tune it for me.
      Last edited by alerored04; 05-30-2008, 12:51 AM.
      Lots of mods cost lots of $$
      http://www.cardomain.com/ride/2598719/1

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      • #18
        that's too high for your current build without a bigger cam. and for DOHC pistons, the earlier years will get you to about 13.8:1. if you shave the heads .020, and use the mid 90's camaro 3.4 iron heads? head gaskets, that will get you around 10.5ish.
        Andy

        sigpic

        fastest 1/8: 10.19@ 67.17
        fastest 1/4: 16.16@ 82.70

        62mm TB, 1.6 roller tip rockers, Ostrich 2.0, UD pulley, TB heater bypass, K&N, 180* stat, No cat, 99Grand AM dual cooling fans. 4T65E swap FDR 3.69, EP LSD, F.A.S.T. transmission controller, TransGo shift kit.

        Comment


        • #19
          Germ eh. He hasn't been around online in a long time now.

          Camaro pistons would be the way to go so long as you tune it. Usually a cam is installed with higher compression though.
          Ben
          60DegreeV6.com
          WOT-Tech.com

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          • #20
            Yeah. I did was thinking of the Camaro pistons. Any ideas on years for them? The thing is I dont have the cash for a cam right now. Tough call.
            Lots of mods cost lots of $$
            http://www.cardomain.com/ride/2598719/1

            Comment


            • #21
              93-95 camaro. Higher compression will give you better performance and gas mileage so I would do it since you need pistons anyway.
              Ben
              60DegreeV6.com
              WOT-Tech.com

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              • #22
                3500 heads would lower the camaro pistons compression slightly too.

                Whats the compression using camaro pistons in a 3400, and in a 3400 with 3500 heads?
                sigpic New 2010 project (click image)
                1994 3100 BERETTA. 200,000+ miles
                16.0 1/4 mile when stock. Now ???
                Original L82 Longblock
                with LA1, LX9, LX5 parts
                Manifold-back 2.5" SS Mandrel Exhaust. Hardware is SS too.

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                • #23
                  9:1 for the 3400 with 3500 pistons. 28.6cc vs 32.4. I don't know what the camaro pistons do exactly.
                  Ben
                  60DegreeV6.com
                  WOT-Tech.com

                  Comment


                  • #24
                    But it is guaranteed that the camaro pistons will work? Will it be okay to drive 30 some miles untuned to get to Germ for tuning or will I have to trailer it? I most likely will do it then.
                    Lots of mods cost lots of $$
                    http://www.cardomain.com/ride/2598719/1

                    Comment


                    • #25
                      We need the compression calculator working again!
                      sigpic New 2010 project (click image)
                      1994 3100 BERETTA. 200,000+ miles
                      16.0 1/4 mile when stock. Now ???
                      Original L82 Longblock
                      with LA1, LX9, LX5 parts
                      Manifold-back 2.5" SS Mandrel Exhaust. Hardware is SS too.

                      Comment


                      • #26
                        i got 13.04 with camaro pistons. dish 8cc's.
                        Andy

                        sigpic

                        fastest 1/8: 10.19@ 67.17
                        fastest 1/4: 16.16@ 82.70

                        62mm TB, 1.6 roller tip rockers, Ostrich 2.0, UD pulley, TB heater bypass, K&N, 180* stat, No cat, 99Grand AM dual cooling fans. 4T65E swap FDR 3.69, EP LSD, F.A.S.T. transmission controller, TransGo shift kit.

                        Comment


                        • #27
                          Is that with 3400 heads or 3500 heads?
                          sigpic New 2010 project (click image)
                          1994 3100 BERETTA. 200,000+ miles
                          16.0 1/4 mile when stock. Now ???
                          Original L82 Longblock
                          with LA1, LX9, LX5 parts
                          Manifold-back 2.5" SS Mandrel Exhaust. Hardware is SS too.

                          Comment


                          • #28
                            Originally posted by IsaacHayes View Post
                            We need the compression calculator working again!
                            Works just fine in IE, you FF lover...
                            -Brad-
                            89 Mustang : Future 60V6 Power
                            sigpic
                            Follow the build -> http://www.3x00swap.com/index.php?page=mustang-blog

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                            • #29
                              Wasnt there just a big discussion on using the camaro or DOHC pistons? Either compression is too high for pump gas, or the quench isnt ideal with all of the combinations of head gaskets, heads, and pistons.
                              2006 AWD TBSS 12.538 @ 106.92 1.66 60' Bolt-ons only

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                              • #30
                                Originally posted by IsaacHayes View Post
                                Is that with 3400 heads or 3500 heads?
                                3400

                                FF lover cause IExploder sucks!
                                Andy

                                sigpic

                                fastest 1/8: 10.19@ 67.17
                                fastest 1/4: 16.16@ 82.70

                                62mm TB, 1.6 roller tip rockers, Ostrich 2.0, UD pulley, TB heater bypass, K&N, 180* stat, No cat, 99Grand AM dual cooling fans. 4T65E swap FDR 3.69, EP LSD, F.A.S.T. transmission controller, TransGo shift kit.

                                Comment

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