Thread: Sudden problem, truck dies at idle and some black smoke from the exhaust

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Ok well upon dealing with the plug and wire issue the thing is still running horribly. So I started with inspecting the carb, I found one leak where the fuel line connected to the carb and fixed it. I then noticed a leak on the other side of the carb behind the electric choke, it looks to be a plunger of some sort for the secondaries. After pulling the air cleaner I noticed a good amount of fuel from that leak down in the intake manifold.

So is it worth being rebuilt or would you go with a smaller carb like others have recomended? If so what any help there is appreciated.

Originally Posted by 1923tbucket

So is it worth being rebuilt or would you go with a smaller carb like others have recomended? If so what any help there is appreciated.

Since the truck is new to you, if it's been running OK then I would probably assume that the previous owner tuned the carb right until I saw evidence to prove that wrong. You may find that the PO went through the whole process of re-jetting the carb and making it right. I'd probably invest in the rebuild, then see where I stood relative to plug color, response, mileage, etc. An easier way might be to just buy a new 600, but I tend to be a bit frugal.