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Thread: Question on an o-290 D2

  1. #1
    dbudd's Avatar
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    Jan 2011
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    Default Question on an o-290 D2

    Does an o-290 and an o290-D2 use the same cylinders

  2. #2
    Rick-CAS's Avatar
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    Default Re: Question on an o-290 D2

    No, the D2 cylinders are different. The D cylinders are similar to O-235 ones.

  3. #3
    dbudd's Avatar
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    Default Re: Question on an o-290 D2

    Thank you. I thought so but wasn’t sure

  4. #4

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    Default Re: Question on an o-290 D2

    I actually was wanting the same info,but what are the PN# on the cylinders and where are they located? I bought a chrome O-290D cylinder per the OH tag, but the other tag on the cylinder says O-290D2. I am now confused on what I have..! Anyone have any ideas on part numbers?

  5. #5
    gliderman's Avatar
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    Default Re: Question on an o-290 D2

    the easiest way to tell is look at the fins below the intake and exhaust port
    if the fins come to an upside down "V" (^) it is a D2 cylinder- if the fins are straight it is a "d " cylinder

    hope this helps
    Shane-o

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