2.8 3.4 3.8 are they the same motor - FirebirdV6.com/CamaroV6.com Message Board

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2.8 3.4 3.8 are they the same motor

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  • 2.8 3.4 3.8 are they the same motor

    Is a 2.8 3.4 and 3.8 liter the same motor just a diffrent strok? can I get headers from a 2.8 or a 3.8 and putt them on my 3.4 Camaro?
    7
    Yes, they are the same motor
    100.00%
    7
    No, Thery aren't the same motor
    0.00%
    0

  • #2
    No... they're not. Headers are designed for each motor specifically.

    I don't know why there is a poll for this.

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    • #3
      The 2.8 & 3.1 heads are the same. The difference between the 2.8/3.1 & the 3.4 heads is that the 3.4 heads will have better valve train (being newer) and I've heard a bigger seat for springs.

      Avoid 82~84 2.8 heads as these have the smaller vales. The only ones you should look for are 84 H.O heads (same as the 85+ MPFI heads) thru 953.4 heads. All will interchange.
      The bastardification of Third & Fourth gen cars.

      Comment


      • #4
        The 2.8, 3.1, and 3.4's are 60-degree V6 blocks.

        The 3.8 is a 90-degree block.
        \'00 f-bird 3.8 M5 coupe, pewter metallic<br />Torsen LSD, Pro 5.0 shifter, Spec stage 1 clutch, Y87 muffler, aftermarket stereo<br />-more fun than the Oldsmobile it replaced...

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