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Thread: Stock carb main jet size

  1. #1
    Jester Guest

    Question Stock carb main jet size

    What comes stock? Of the two carbs I have, the main is miles apart. One runs like dirt, the other better.

    Curious what it should be.

  2. #2
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    I ended up replacing a #58 jet with a #69 to richen the mixture slightly. The truck ran much better after that.

    Robert-CA

  3. #3
    Jester Guest

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    Quote Originally Posted by hiker View Post
    I ended up replacing a #58 jet with a #69 to richen the mixture slightly. The truck ran much better after that.

    Robert-CA
    One had a 62 - ran horrible. The other a 70 - runs much better.

  4. #4
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    Bring one with you on Sunday. We can compare it with the one or two I have on my bench. Both of those are the same.
    -- Tim Taylor


  5. #5
    Jester Guest

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    Quote Originally Posted by Binford View Post
    Bring one with you on Sunday. We can compare it with the one or two I have on my bench. Both of those are the same.
    Besides the one in the carb? I will try to remember to bring the small one too.

    The size is miles apart.

  6. #6
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    Don't be late. We've got to get to the pumpkin patch tomorrow before I have to leave for yet another freakin' work trip.

    I've driven more than 6400 miles in the past 4 weeks.....
    -- Tim Taylor


  7. #7
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    Jester, what jet sizes did you find on Binford's two carbs?

  8. #8
    Jester Guest

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    I believe they were both 70's. One was clearly marked 70. The other said 695.

    Mine would not run on the smaller jet. Difference with the 70 is night and day.

  9. #9
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    I thought the other was "692." Same difference....

    We ought to bring that 62 up to the next Colorado FE to see how it works. I really didn't have any trouble with mine as it was though.
    -- Tim Taylor


  10. #10
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    Thanks for the info.

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