General Category > Quadrajet Carb Talk and Tips

Please help. At my wits end

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Racerx12003r1:
Hello everyone. New guy here, so be easy on me. ;) I am having some problems with a Q-jet that I just cant seem to figure out. From the numbers on the unit, it is off a 78 GMC. Right now it is on a Jeep J10. Anyway, my problem is this thing goes extremely rich after about 10 to 15 minutes of running. I pulled it apart, cleaned it, replaced the float and kitted it. The float was set at the speced level and I still got the same result. I had gas leaking out somewhere close to the primary throttle plate rod. At WOT it was fine and at a high cruise it was fine,but at low rpm and idle it would flood out and try to cut off. I pulled the air horn and lowered the float level some, just playing with it to see what would happen. After that, it ran beautiful at an idle and at low speed, but fell on its face on the road. I have had this thing apart numerous times thinking I have missed something, but I see nothing. The thought hit me that maybe the primary metering pins were not working, but the port is open, the piston moves freely, and I have found no vac leaks. (Even tried the old brake cleaner spraying) PLEASE HELP ME! If i had any hair, I'd be pulling it out.

Cliff Ruggles:
What is the carburetor part number?

Did you put one of our kits in it?.....Cliff

Racerx12003r1:
The part number is 17058213, and unfortunatly, I didn't get the kit from your company. It came from a local O'reilley's.

Frank400:
the quality of the parts in auto part store's "kits" is questionable at best... 

429bbf:
check if the plunger fell off the acc.pump my parts store kit lasted 20 minutes and about 15 miles. i got in a hurry and had a kit ordered from cliff but it didn't get here before the weekend so i went and got on from the store . ended up doing the carb twice.fwiw

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