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  1. #1
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    2.4 poppet valve differences/rveverse flow?

    There seems to be 3 types 2- dog bone style, one with a fitting for a hose from the top of the block and the other with a plug instead of the hose fitting and a 1/2 size casting. What are the differences, and are they block specific ? I also read some engines have reverse flow. What does that mean ?
    Thx
    Last edited by coffeeguy; 06-14-2021 at 05:44 AM. Reason: ask more questions

  2. #2
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    They are block specific. Couldn't tell you about flow..poppets don't really make sense to me.

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