Piston Interchange between 4.6 and 5.4

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  1. #1
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    Default Piston Interchange between 4.6 and 5.4

    Hi All:

    Can someone tell me if the pistons interchange between a 4.6 and a 5.4. I am building a 5.4 DOHC Navigator motor and the 4.6 pistons are more readily available.
    Thanks

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  3. #2

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    I think not, 3.55 vs.3.70 bore if I have my facts right.

  4. #3
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    Default

    I believe the bore is the same stroke is different.
    Thanks

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  6. #4

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    The bores are the same and the compression heights are the same but the compression ratios are different for the same sized dish.

    Check out the Gibtec pistons in the Articles section of the site.


    Ed

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