Duraspark upgrade

Discussion in 'Technical' started by dtb147, Mar 12, 2009.

  1. dtb147

    dtb147 Member

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    I currently have a 71 with a 302 that I would like to upgrade to Duraspark II ignition. I noticed that for the Duraspark II cars there are two distributors listed, one with a steel gear and one with a cast iron gear and it's clearly stated that the wrong one will cause problems. Which is the proper one to use in the 71 302?
     
    dtb147, Mar 12, 2009
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  2. spork1o1

    spork1o1 Member

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    steel gear is for most roller cams.
    cast iron gear for most flat tappet cams.
     
    spork1o1, Mar 12, 2009
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  3. GrabA72Mav

    GrabA72Mav Living Our 2nd Childhood

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    steel gear is for most roller cams.
    cast iron gear for most flat tappet cams.
    CORRECT!!! I found that out also!
     
    GrabA72Mav, Mar 12, 2009
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  4. dtb147

    dtb147 Member

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    Thank you and thank you.
     
    dtb147, Mar 12, 2009
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  5. phree_man

    phree_man Member

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    at he risk of sounding undereducated, how do u know which type of cam u have?
     
    phree_man, Apr 7, 2009
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  6. mean_maverick

    mean_maverick Senior Member

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    roller cam engines weren't produced untill the mid 80's, so pretty much any that is pre-1984 will be flat tappet
     
    mean_maverick, Apr 7, 2009
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