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Head flow #'s for 3400?

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  • Head flow #'s for 3400?

    Does anyone have any head flow numbers on their 3400 heads ported and un ported? Especially if they were ported to the max?
    2001 Grand Am GT

  • #2
    do you want the best # or all the #'s from .100"-.600" lift?
    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!

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    • #3
      All of the numbers would be great, stock ones too if you have them, and the best #. Thanks!
      2001 Grand Am GT

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      • #4
        ok!
        stcok int.
        .100"=56
        .200=91
        .300=140
        .400=183
        .450=197
        .500=210
        .550=216
        .600=220

        basic porting on int.
        .100=59
        .200=95
        .300=142
        .400=190
        .450=206
        .500=219
        .550=229
        .600=234

        stock exaust
        .100=46
        .200=91
        .300=116
        .400=131
        .450=135
        .500=138
        .550=140
        .600=142

        basic porting and polishing on exaust
        .100=48
        .200=96
        .300=124
        .400=138
        .450=142
        .500=145
        .550=147
        .600=148

        hope that helps you out!
        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


        • #5
          Thanks, thats what I needed, I appreciate it!
          2001 Grand Am GT

          Comment


          • #6
            no problem!
            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

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