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Thread: 350 running rich
          
   
   

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  1. #12
    JD323 is offline CHR Member Visit my Photo Gallery
    Join Date
    Jul 2020
    Location
    Pueblo West
    Posts
    19

    Finally got a chance to work on the truck again. I installed the new 8.5 PV and the 64 jets and new plugs. Still having the same issue though. There's no movement on the vacuum gauge when adjusting the idle mixture screws. I have the idle set right around 1000 rpm. I recorded a video of me adjusting the screws. I screwed them both all the way in and then back out 2 turns. It does seem like it's making more vacuum with the new PV, but I'm assuming that's because it's a larger size? Any ideas what to try next? Here's a pic of one of the plugs after about 10 minutes of running.

    https://youtu.be/YZ9MNaWyO1Y
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