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  1. R

    '85 CJ7 6 Backfires on downhill idle

    Thank you
  2. R

    '85 CJ7 6 Backfires on downhill idle

    I don't see the idle adjustment screw or a plug. I found an exploded parts for the carter carb to 1983. Looks a lot like mine. See the exploded parts here: http://www.thecriticalcrab.net/consign/jeep/carter_carb Let me know if you can identify the adjustment screw by number. I was playing...
  3. R

    tachometer dead

    Thank you for the response. I don't know if it's a factory or aftermarket tach. I did not smell rubber burning. When looking at the fuse box there's no indication of a tach only fuse. Speedometer lights come on, clock works, volt meter works. Checking the tach light is a good idea, so I'll do...
  4. R

    tachometer dead

    1985 CJ7 straight 6 My tachometer died suddenly. I had to charge the battery and while charging the CD changer kept cycling so I removed the fuse at the positive terminal of the battery. When I reinserted the fuse I heard a click but have no idea if it is related to the tach problem. Once the...
  5. R

    '85 CJ7 6 Backfires on downhill idle

    Thanks for the input and for watching/listening to my video. I've taken out the idle tubes and they are already 0.032 . I guess these are the venturi tubes (see attached pic). Hmmm. Was hoping that would be the quick fix. Not sure whether to make them even bigger or not. Comments on this...
  6. R

    85 CJ7 Squirrely front end

    My CJ7 rides OK except if you make a quick movement of the steering wheel it feels as if the Jeep will take off by itself in an oversteer. Feels very unsafe to me. Could this be "normal"? Or what is the fix? Is there a bolt on stabilizer or something? I'm attaching small pics of the front...
  7. R

    '85 CJ7 6 Backfires on downhill idle

    Replacement may be the answer. Had I done my research in advance, I would have installed a MotorCraft. May still be required. I've seen the article to which you refer, but as you say my carb is new so I think it's not applicable. Your adjustment tips are helpful and I'll give them a try. I...
  8. R

    '85 CJ7 6 Backfires on downhill idle

    Have you followed the procedures for tuning the carb? The backfiring sounds like it is dumping fuel into the engine and loading up the cylinders with gas. When it stalls, are the plugs soaked with gas? How is the ignition system? I had an intermittent problem with the ignition box of mine...
  9. R

    '85 CJ7 6 Backfires on downhill idle

    I've had some progress in this Carter Carb saga. Was able to have the Jeep smogged (CA) Had vacumm lines checked. Runs pretty good except idle. If you can spare the download time please see http://www.thecriticalcrab.net/consign/jeep/carter_carb_idle You can hear my CJ7 start and idle or more...
  10. R

    '85 CJ7 6 Backfires on downhill idle

    Yes, I've heard much about the Motorcraft. Slo-wrench44 you mention the MC2150 but your profile indicates MC2100. Is there a difference? You also mention $100. The E-bay guy is charging close to $300. Where does one get a $100 unit? Also, from your profile it seems you're a full tilt mechanic...
  11. R

    '85 CJ7 6 Backfires on downhill idle

    The Carter is brand new, so , Cduemeg, I think clogged venturis may not be the problem. I think I need to try the second vacumm test. But, it seems that the vacumn selonoid (probably not the name) the unit with the piston that is supposed to raise the throttle level at appropriate moments, is...
  12. R

    Carb Swap Question

    Anyone do the Moorcraft or Holley swap for a Carter where they have to smog the vehicle?
  13. R

    '85 CJ7 6 Backfires on downhill idle

    Thanks for all the input. Tried new plugs rotor and cap but no help. I'll be searching this forum for a previous answer, but maybe someone can suggest an alternative to the Carter Carb. thanks
  14. R

    '85 CJ7 6 Backfires on downhill idle

    New Carter Carb on this 170K straight 6 I noticed the spray-carb-cleaner-on-vacumm-connections-look-for-leaks procedure posted on another thread, so will try that. Also having difficulting getting a proper idle. Keeps changing and after significant run time, stalls on stop. All suggestions...
  15. R

    Installing Carter BBD Carb

    That does help. Of course, I did locate this very diagram pasted next to the radidator. But, the one you point to is much easier to read. Thank you
  16. R

    Installing Carter BBD Carb

    Now that I've found this forum, I see that I may have been better served replacing the Carter BBD carb on my newly aquired '85 CJ7 with something other than another Carter BBD. :rolleyes: But I did get another BBD and now I'm wondering if anyone can direct me to a source for a connection...
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