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Old 03-19-2012, 11:38 PM   #1
dead civic
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Join Date: Mar 2012
Location: Los Angeles Killa kalli
Posts: 73
how to adjust a carburator

1979 Corvette 350 5.7l with a cam
Edelbrock Intake manifold RPM
*Carter 4bbl carb

I've been looking on line how to adjust it and it does not work for me... can some one please help me.

looked up online:

If it doesn't start, then set the screws at a base setting of two turns "out". A dual plane intake separates totally the intake runners between cylinder 1,3,5,7 and 2,4,6,8. Therefore 1/2 of the intake manifold serves fuel to the right bank and and the other half to the left bank. Therefore, the adjustment screws need not and should not be turned "in sync". If using a vacuum gauge as the writer above suggests, turn each screw independently for the highest vacuum. Then back-off screw 1/4 turn.

If using a tachometer, the suggested way. Then turn one screw clock-wise for highest RPM (rich condition) and then turn the screw counter-clockwise (lean condition) until engine just stumbles; turn screw clockwise 1/4 turn. Do the same for the other adjustment screw.


^^^Ive tried this to avail

this what truck is doing now. once its in motion all is good. but when i stop it bogs and sometimes shuts down till it gets going it works again. what am i doing wrong?

and helpful input is greatly appreciated. thanks.
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