Thread: 500efi header?

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    500efi header?
    #1
    Registered Trim'd Up's Avatar
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    Just wondering if there are any differences in standard E-tops and the 500efi headers other than the welded distribution tubes. The tails are interchangeable correct? Thanks!
    Chad
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    #2
    SO Tech Expert/Competitor/Charter Member
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    Quote Originally Posted by Trim'd Up View Post
    Just wondering if there are any differences in standard E-tops and the 500efi headers other than the welded distribution tubes. The tails are interchangeable correct? Thanks!
    Chad




    Chad they will interchange. The real early E-tops had a rope seal for the tailpipe and they will not work on the newer e-tops.
    The Michigan Madman
    url]www.crockettmarineengines.com[/url]
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    #3
    If you are installing CMI tails on a Merc 500 Header you need the adapter rings.

    The Merc 500 was the Cool Collar and the CMI headers are flex flare.

    I have a new set of tails in the box and might have a set of adapters...let me know.

    Elitemarine@sbcglobal.net

    Kirk
    Elitemarine@sbcglobal.net
    www.elitemarineonline.com - Livorsi,CP,Lifeline,CMI,Box Anchor & more!
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