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Thread: 78 shovel

  1. #1

    Default 78 shovel

    Hey all'
    been lurking around for a while,
    I live in the caymans, got hold of this engine a few years ago, did a search and it came up as a 74" from 1978? looks like aftermarket cylinders from Drag specialties, my question is did they use the same buttom in 78 when they started the 80" ? read somewhere that the 74" have 10 fins and the 80" have 9....mine have 9 but its not orig so i don't know what i got without taking it apart

    Thanks for info Chris

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    Last edited by caymanchris; 12-28-2017 at 1:44 PM.

  2. #2
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    It really doesn't matter what size motor it is. One runs the same as the other not really any power difference.. All the external parts are interchangeable... and most of the internal...
    Can I ask why the question?

    I believe it was 78 1/2 when they started the 80ci but I kinda think it was 79... But I will have to look to be sure..
    Last edited by Tattooo; 12-28-2017 at 6:59 PM.

  3. #3
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    80" had 4 1/4" stroke and nine fin cylinders.

    IRL it doesn't affect anything you do externally. Finish chopper and be happy!

  4. #4

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    Was just trying to find out if it was a 74 or 80 , since it was rebuilt, pulled the plugs and there is a 1200 stamp on the pistons so that answer my question,

    thanks for your reply Tattooo and farmall
    Chris

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  5. #5
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    Well their you go... Good luck with your build...

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