Quadrajet Problem Solving > Diagnose a Quadrajet carburetor problem

engine goes extremely lean off idle

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Cliff Ruggles:
Edelbrock 1910's came with many different calibrations in them.  Most were actually set up rich at idle and off idle, not lean. 

Nothing was mentioned about the jets, metering rods, power piston spring or if the hanger arms were level and exactly even, which more times than not is the issue with these things.....Cliff

matt69olds:
I purchased jets and idle tube from you a couple years ago, made a huge improvement in the way it ran. I don't recall what the specs were. Like I said, this happened all of a sudden, went from running like a champ to running like crap. The 

Cliff Ruggles:
I'd pull it apart for a complete cleaning, and replace the main players, float, N/S assembly, and accl pump.  That should get it back up and working like it's supposed to.....Cliff

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