1971 mercury comet engines

Discussion in 'Technical' started by Shaun roussel, Sep 13, 2015.

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  1. Shaun roussel

    Shaun roussel Member

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    Next question can I put 250ci pistons, rods and cam into my 200 block would that work?
     
    Shaun roussel, Sep 14, 2015
    #16
  2. rthomas771

    rthomas771 Member

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    The 250 has a 1.66" taller block because of the longer stroke than the 200, 3.126" vs 3.91", the rod journal is also different size, so the rods won't fit. Like I say earlier the 200 and 250 pistons are the same physical size. Only thing that changed were the dish size in '73.
     
    rthomas771, Sep 14, 2015
    #17
    Shaun roussel likes this.
  3. Stefan

    Stefan Big Cheese Administrator

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    Please keep the thread on topic; snide remarks have been removed.
     
    Stefan, Sep 14, 2015
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