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3500 exhaust manifolds, mild ported

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  • 3500 exhaust manifolds, mild ported

    I have a pair of 3500 header style exhaust manifolds for sale with mild porting work done to them. The outlets where opened up from 1 3/4" to approx 2" on both manifolds, thats all the porting I did to them.


    $80 cdn + shipping





    Last edited by 1QUICKHATCH; 11-15-2007, 08:18 PM. Reason: adding pics
    1999 Olds Alero 2.4 to 3500 swap (running). totaled by a honda
    1992 lumina 4 door 3500 3spd auto 15.020 @93.5 mph
    1984 Cavalier type 10 hatch 3100 5spd!!!
    14.96@91.47 in the 1/4
    9.63@74.36 in the 1/8th
    14.30 on slicks! scrapped due to rust!

  • #2
    depending on the style i may be interested

    Comment


    • #3
      bump. Pics added.
      1999 Olds Alero 2.4 to 3500 swap (running). totaled by a honda
      1992 lumina 4 door 3500 3spd auto 15.020 @93.5 mph
      1984 Cavalier type 10 hatch 3100 5spd!!!
      14.96@91.47 in the 1/4
      9.63@74.36 in the 1/8th
      14.30 on slicks! scrapped due to rust!

      Comment


      • #4
        could you please get profile pics to show how much they stick outward from the block on either side?

        Comment


        • #5
          Originally posted by El_Diablo View Post
          could you please get profile pics to show how much they stick outward from the block on either side?
          I will see if I can do that, if not I can get some measurements off a cylinder head if that helps?
          1999 Olds Alero 2.4 to 3500 swap (running). totaled by a honda
          1992 lumina 4 door 3500 3spd auto 15.020 @93.5 mph
          1984 Cavalier type 10 hatch 3100 5spd!!!
          14.96@91.47 in the 1/4
          9.63@74.36 in the 1/8th
          14.30 on slicks! scrapped due to rust!

          Comment


          • #6
            that would be great either way

            Comment


            • #7
              the front one sticks out 6 3/4" 's
              and the rear one sticks out 6"
              1999 Olds Alero 2.4 to 3500 swap (running). totaled by a honda
              1992 lumina 4 door 3500 3spd auto 15.020 @93.5 mph
              1984 Cavalier type 10 hatch 3100 5spd!!!
              14.96@91.47 in the 1/4
              9.63@74.36 in the 1/8th
              14.30 on slicks! scrapped due to rust!

              Comment


              • #8
                I've heard these don't fit 3400 heads. True? False?
                1988 Fiero GT 5spd
                1999 Regal GS
                SOLD 2000 C5 Coupe M6
                RIP 1994 Beretta Z26 - M90, 3400, MSV3, 5spd

                Comment


                • #9
                  they fit the gen 3 3x00's without a problem

                  Comment


                  • #10
                    Gen 3 being... mine is a year 2000. Is that me?
                    1988 Fiero GT 5spd
                    1999 Regal GS
                    SOLD 2000 C5 Coupe M6
                    RIP 1994 Beretta Z26 - M90, 3400, MSV3, 5spd

                    Comment


                    • #11
                      yes, they will bolt up to your heads

                      Comment


                      • #12
                        Gen3 = 3100/3400 (gen 2 is mpfi crap)
                        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


                        • #13
                          hey now. I've got a GenIII motor running on MPFI and it spanks most newer 3x00 equipped cars. MPFI FTW

                          FWIW, these are useless withough a flange. Which are a BITCH to find, you have to get to the cars at the J/Y before they pull the motor out, and that's hard to time just right. That's why i have a pair of the fronts sitting in my garage for the last 6 months

                          Cammed 3400 --> 224whp 210wtq
                          Cammed 3500 --> ???
                          1 of 5 3500 J-Bodies

                          Comment


                          • #14
                            Originally posted by RedBird View Post
                            hey now. I've got a GenIII motor running on MPFI and it spanks most newer 3x00 equipped cars. MPFI FTW

                            FWIW, these are useless withough a flange. Which are a BITCH to find, you have to get to the cars at the J/Y before they pull the motor out, and that's hard to time just right. That's why i have a pair of the fronts sitting in my garage for the last 6 months
                            A flange is easy to make out of 3/8" or 1/2" steel if you have access to a mill (or would be pretty inexpensive at a machine shop). Then you could just weld them to pipe.
                            Links:
                            WOT-Tech.com
                            FaceBook
                            Instagram

                            Comment


                            • #15
                              hahaha. I said gen 2 is mpfi crap (stuff). Not gen2 is crap mpfi! If we want to put down something, lets say gen2 is crap! lol
                              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

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