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In the on-going saga that is the Rinky Dink resuscitation, I thought I was done, or nearly so. After a decade or two of silence the mighty 304 coughed and sputtered to life. With a bit of fiddling it seemed to run pretty good though it was certainly running rich. Towed it down to the muffler shop and with a few hours and $650 swapping hands it now possessed a California Compliant Cat exhaust. Towed it back home and started it up to the muted whisper of the Flowmaster muffler. As it sat there idling it seemed to progressively run worse. My son happened to stand in front of the exhaust outlet and commented on how hot it was. Sure enough, the exhaust was hot enough to seriously burn you. Shut it down and looked at the cat. It had already started to discolor. Obviously the carb was dumping a ton of fuel into the engine. The sooted up plugs confirmed this. Now this got my head scratching. New carb, plugs, wires, cap, rotor, distributor, fuel pump, filter, rubber, tank. Timed correctly @ 5 BTDC. Last night it occurred to me that the fuel pump was over pressurizing the carb and pushing fuel into the engine. I figured the the fuel return line must be plugged. When I had replaced the fuel tank I had flushed the fuel inlet line but not the return line. This is the 1st carbureted vehicle I have had with a fuel return, just like an injection system. At the time, I thought it was only a vent. Wrongo! Home for lunch I did a quick disconnect at the filter and tried blowing air through the line. Nothing happened. I disconnected the return line at the tank and tried blowing again. Still nothing. Tonight I'll try the air compressor. Hope this is the cure.
Hi everyone. I just picked up a 1977 CJ5 with s 232 and a one barrel. All the emissions was removed and the evap and EGR are still present. I have only had 4. Banger and v8 jeeps. There are 3 ports on the carb. Where do the vacuum lines hook up. I want to run the minimum amount, distributor, EGR, and charcoal canister. Any help will be great. Pictures even better, the emissions diagrams did not help since most of the parts are gone. Scott