Numbers written at back of engine.

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  • 92SunbirdTGT
    • Apr 2007
    • 4
    #1

    Numbers written at back of engine.

    Hi, I bought a used 3.1 engine and found numbers written at the back of engine. B129724 BR 386 . What does that means?
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    • SappySE107
      WOT-Tech
      • Oct 2003
      • 13501
      #2
      it means it is from a junkyard.
      Ben
      60DegreeV6.com
      WOT-Tech.com

        Comment

        • Weatheralls Auto
          Spinning out of control
          • Dec 2009
          • 536
          #3
          Good chance that engine was out of a wrecked vehicle and that was their stock number or some other reference?
          As of April 2
          3rd Gen Cavy has 3500 Installed!
          ----------------------------
          Engine: 2006 SV6 3500 LX9
          Trans: 2002 Getrag F23 5speed
          Pcm: 2001 Impala La1 3400 with complete Engine Harness.
          Injectors: #36 GTPs
          TB: 65mm TCE
          Maf: 1999 3400 Montana.
          Adjustable TCE Fuel pressure Regulator
          Walbro W1 255 pump from Racetronix.
          Beverages: Ice Cold CANADIAN.

            Comment

            • Weatheralls Auto
              Spinning out of control
              • Dec 2009
              • 536
              #4
              ^^^^^^^^^^^^^^
              Ninja'd
              LOL
              Originally posted by 60*V6
              This forum requires that you wait 30 seconds between posts. Please try again in 13 seconds.
              As of April 2
              3rd Gen Cavy has 3500 Installed!
              ----------------------------
              Engine: 2006 SV6 3500 LX9
              Trans: 2002 Getrag F23 5speed
              Pcm: 2001 Impala La1 3400 with complete Engine Harness.
              Injectors: #36 GTPs
              TB: 65mm TCE
              Maf: 1999 3400 Montana.
              Adjustable TCE Fuel pressure Regulator
              Walbro W1 255 pump from Racetronix.
              Beverages: Ice Cold CANADIAN.

                Comment

                • 3400-95-Modified
                  The Pink Car
                  • Dec 2005
                  • 4375
                  #5
                  No you guys, its a 386 CI engine of course... DURRRRRRR

















                  Got Lope?
                  3500 Build, Comp XFI Cam 218/230 .050 dur .570/.568 lift 113LSA
                  Fully Balanced, Ported, 3 Angle Valve Job, 65mm TCE TB, S&S Headers.
                  Stage-1 Raybestos/Alto 4t60e-HD, EP LSD, 3.69FDR
                  12.61@105 Epping NH Oct 2015 Nitrous 100shot (melted plugs) 13.58@98.8 N/A 3200LBS

                    Comment

                    • 92SunbirdTGT
                      • Apr 2007
                      • 4
                      #6
                      lol ok, I was thinking maybe it was a rebuilder's reference since it's a engine/trans combo I separated myself that I bought from a guy who dismantled them from a junked tgp. Would a rebuilder write something here or only punch numbers on top of the pistons?

                        Comment

                        • Weatheralls Auto
                          Spinning out of control
                          • Dec 2009
                          • 536
                          #7
                          Hope they wouldn't punch numbers on top of the pistons.

                          Def a scrap yards identification process.
                          As of April 2
                          3rd Gen Cavy has 3500 Installed!
                          ----------------------------
                          Engine: 2006 SV6 3500 LX9
                          Trans: 2002 Getrag F23 5speed
                          Pcm: 2001 Impala La1 3400 with complete Engine Harness.
                          Injectors: #36 GTPs
                          TB: 65mm TCE
                          Maf: 1999 3400 Montana.
                          Adjustable TCE Fuel pressure Regulator
                          Walbro W1 255 pump from Racetronix.
                          Beverages: Ice Cold CANADIAN.

                            Comment

                            • Superdave
                              Been there, Built that.
                              • Sep 2004
                              • 5850
                              #8
                              stock number from a junk yard
                              Past Builds;
                              1991 Z24, 3500/5 Spd. 275WHP/259WTQ 13.07@108 MPH
                              1989 Camaro RS, ITB-3500/700R4. 263WHP/263WTQ 13.52@99.2 MPH
                              Current Project;
                              1972 Nova 12.73@105.7 MPH

                                Comment

                                • 92SunbirdTGT
                                  • Apr 2007
                                  • 4
                                  #9
                                  Well I Hope it's in good condition, I will see when the heads will be removed.
                                  Thanks guys

                                    Comment

                                    • 3400-95-Modified
                                      The Pink Car
                                      • Dec 2005
                                      • 4375
                                      #10
                                      Originally posted by planethax View Post
                                      Hope they wouldn't punch numbers on top of the pistons.

                                      Def a scrap yards identification process.
                                      Why not? Thats how OEM companies mark their pistons.


                                      Got Lope?
                                      3500 Build, Comp XFI Cam 218/230 .050 dur .570/.568 lift 113LSA
                                      Fully Balanced, Ported, 3 Angle Valve Job, 65mm TCE TB, S&S Headers.
                                      Stage-1 Raybestos/Alto 4t60e-HD, EP LSD, 3.69FDR
                                      12.61@105 Epping NH Oct 2015 Nitrous 100shot (melted plugs) 13.58@98.8 N/A 3200LBS

                                        Comment

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