Quadrajet Problem Solving > Diagnose a Quadrajet carburetor problem

Black Smoke on deceleration

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boondocker:
Just checked...No leaks, also, no modifications although I'm using an aftermarket breather assembly...I get smoke with or without the breather in place

boondocker:
...could this be a timing issue?

Cliff Ruggles:
Unlikely as the engine performs well.  Might not need all the accl pump shot you are getting.  Try moving the link to the outer hole in the arm......Cliff

boondocker:
We'll I got a chance to move the pump lever to the end...and low and behold it fixed the problem!
No wonder they say your the "best in the business", thanks Cliff for the great setup!
Dave ;D

Cliff Ruggles:
Good news!...and thanks....Cliff

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