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What engine do I have.

Discussion in '"Stock" Alpine' started by sunny67, Mar 26, 2022.

  1. RootesRooter

    RootesRooter Platinum Level Sponsor

    You should be able to locate a re-grindable 1725 cam pretty easily. You can't use the existing cam from your cast iron-head engine because the order of the intake and exhaust ports is different vs. aluminum heads.
    sunny67 likes this.
  2. husky drvr

    husky drvr Platinum Level Sponsor


    Here is a link to another thread about cams with a comparative picture. The biggest difference between an iron head cam and an alloy head is the reversal of the port order for cylinders #2 and #3.

    Alloy head port order > E I E I I E I E

    Iron head port order > E I I E E I I E

    It's not possible to regrind a cam to the other order.

    sunny67 likes this.

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