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  1. E

    Cracked Headers...

    I've got a 1973 with a 350 5.7l V8. I'm not 100% sure on the transmission, but it says it is option M49 T/Hydra-Matic Trans on the sticker in the engine compartment. I don't plan on replacing the exhaust because that is still good for now. What do you mean by where it exits out? Is that a...
  2. E

    Cracked Headers...

    Right on. Sorry, I would've responded earlier, but the sites been down until today for me. So now that I've got lots of ideas on which headers to choose from, how do I go about determining what size for the primary tube, collector, etc. How do I know what I need?
  3. E

    Cracked Headers...

    It looks to be on the tube. Right where it makes the turn to head to the exhaust pipes. In the little elbow that forms from leaving the engine to making a line to the pipes.
  4. E

    Cracked Headers...

    Alrighty, so I was out cleaning off the engine and found that underneath a pretty gnarly layer of grease and grime one of my headers was cracked. It looks to be working, but I still think I need to replace that sucker. But, my question here, is how do I measure it out to know what new ones I...
  5. E

    1973 350 idling really high

    Yeah, it is pretty nasty. One of these days I'll need to freshen it up a bit and get some new gaskets and whatnot. :) But if it could be something as simple as opening up the carb and cleaning it out a bit that would be pretty neat. Are there any special considerations I need to take into...
  6. E

    1973 350 idling really high

    So, is this going to be a replacement job or will I be able to adjust the cables that are currently installed already? Also, what are the benefits of each different choke on this old of an engine?
  7. E

    1973 350 idling really high

    Alright, so I went out and let it warm up and played with the choke. It did throttle down, but then it throttled up again. The spring you can see in the pic here right about that yellow part compresses and doesn't decompress. That makes it throttle high but if I decompress it manually, then...
  8. E

    1973 350 idling really high

    Hey, so I'm kind of a novice, kind of not when it comes to working on cars. I got most of the basic ideas and am not afraid to get my hands dirty and start figuring things out. I've got a 1973 GMC Super Custom with the Goodwrench 350 in it. But as I turn it on and leave it in park, it idles...

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