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Thread: Oh no, my carburetor rebuild.

  1. #26
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    Re: Oh no, my carburetor rebuild.

    Ohh, maybe Iím mixing information. Iím talking about the base gasket that seals the intake.



  2. #27

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    Re: Oh no, my carburetor rebuild.

    Simply make the stud holes in your gasket paper, slide it on the intake, then press the shape of the intake into the paper

  3. #28
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    Oh no, my carburetor rebuild.

    Quick question: Does anybody know the torque specs for the bolts mounting to the carburetor to the intake manifold? There was a few forums were people also seemed confused on it, I did see someone mention 15 ft lbs though. Just wondering if there was anymore information to confirm that, I feel like it would be a bit more of an important spec since it sits on that gasket.

  4. #29

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    Re: Oh no, my carburetor rebuild.

    I usually have to use a 12mm box end wrench, idk how caveman you have to get on it to actually cause a problem. I wouldn't worry about it, but it probably says in the manual if you want to dig. https://www.dropbox.com/s/e3qwtw8lvp...anual.pdf?dl=0

  5. #30

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    Re: Oh no, my carburetor rebuild.

    If I remember from way back when I did my '76, 15 ft-lbs is about right. But it doesn't matter because you'll never get a torque wrench on it. Just tighten till it feels right. Tight enough that it won't rattle loose, but not so tight you crush the gasket.
    Dr_Snooz

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  6. #31
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    Re: Oh no, my carburetor rebuild.

    Thanks Guys! I was finally able to get my carb on, and have it somewhat tuned! lol

    Ok, so when putting it back together I didnít have enough lines to replace all the vacuum lines. But I was able to replace all the ones directly connected to the carb. When tubing the carb I first tuned the throttle cable, then throttle stop screw, mixture screw, and finally the float. It just made the most sense to me. I havenít tuned anything else yet just because I didnít have to touch those when rebuilding, but I should probably do the rest soon. So if you guys got any tips for those then that would help.

    Overall the car runs a lot better, it idles at around 800-1000. However, when pulling instead of pushing on my throttle pedal the rpmís drop and it stalls out. Iím not sure if it is supposed to do that, and if maybe a little bit of slack or something in the line is the only thing keeping me from stalling.

    Another thing is when putting the throttle stop screw back on I totally forgot how many turns it goes in. So it could be completely off spec. I tried tuning it but it is almost impossible to get to it let along turn the spring loaded screw with all those metal lines right next to it. How the heck do you guys get to that, I tried using some small needles nose but it would hit the firewall.

    I also have the same problem with the engine stalling when it is cold in the morning, but unlike before when the engine warms up it doesnít fix that. It will still stall when the engine is warm if it is cold outside, but if it is later in the afternoon and itís warmer then it has no problems. The auto choke will work in the morning and when itís cold, itíll rev at around 2000. But like I said even after that it will stall when itís cold outside. Any ideas, could it be any of the things I mentioned above? Also, should I continue this conversation in this thread?

  7. #32

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    Re: Oh no, my carburetor rebuild.

    Does it stall when you open the throttle or when you let off and let it idle back down? And by throttle stop screw dont you mean the black knob on the side of the carb? Its really easy to turn, but they came with a few different styles, maybe you need one thats long and flexable. Does it stall if you increase the idle? As for pulling on the throttle it sounds like the throttle stop is too far out and the throttle cable is too tight. There can't be any tension on the cable, every dang time I take the carb off I always have to loosen the cable because its so dang finicky. There should be no change in engine speed when you pull the pedal or let the throttle snap back closed

  8. #33
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    Oh no, my carburetor rebuild.

    Itíll only stall when I let off the throttle. For example, if I catch the rpmís falling in time then I can just touch the throttle and it will save it from stalling out.
    Ya thatís the screw Iím talking about. Iíve kinda just realized itís on the same side as the throttle wheel and cable, shouldnít it be touching or close to that ďwheelĒ? I couldnít figure out what it was supposed to do when putting the carb back together, cause it just screws into a pointless hole. But if the other end of the screw is meant to come out and reach that ďwheelĒ then that would make more sense.

    Thanks for the advice, I had a feeling it would be some sort of combination with the throttle cable and that screw.
    Last edited by asianwills; 03-25-2022 at 12:52 PM.

  9. #34

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    Re: Oh no, my carburetor rebuild.

    Oh yeah, it sounds like when the spring snaps back to an idle its trying to go too low to touch the idle screw. Sounds like you have it in the totally wrong place.

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