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Q-jet choke tuning

Discussion in 'The Garage' started by Mastiff, May 13, 2004.

  1. Mastiff

    Mastiff 1/2 ton status Premium Member

    Jul 21, 2002
    Likes Received:
    Tucson, AZ
    Over the winter I thought I got my choke all tuned up. I got it so it started well in the cold, and if I had any more choke, it was over-choked and would run rough and crappy until the choke opened up. Now that it's warming up, the choke is not on at all when I start up, which isn't a big deal except that I also have no fast idle and the thing idles real low until it warms up. It seems like I need more choke. /forums/images/graemlins/confused.gif If I put the choke back, then I bet it'll be all messed up in the winter. Any suggestions? This truck used to live in Arizona and I remember having to kick down the fast idle after a few seconds even there, so I must have it messed up a little.
  2. pauly383

    pauly383 Daddy383 Staff Member Moderator

    Jul 22, 2001
    Likes Received:
    Mesa , Arizona USA
    [ QUOTE ]
    except that I also have no fast idle and the thing idles real low until it warms up.

    [/ QUOTE ]

    Mine still lives in AZ. I have my choke set for 1500 rpm idle . I still sit for 3 or 4 minutes when I first start it , even though the choke isnt working in the evening heat this time of year. Perhaps you need to let it warm up a bit before you drive anyways, or just give it a bit more choke ( adjusting it with season change is easy - 3 screws and turn ) /forums/images/graemlins/k5.gif
  3. Blue85

    Blue85 Troll Premium Member

    Jul 26, 2000
    Likes Received:
    Grand Rapids area
    I wish I could help, but I find myself tweaking the choke eery spring and fall. I figure the real solution will end up being fuel injection.

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