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Rochester Quadrajet & Monojet Carburetor Idle Mixture Screw 16-106
Rochester Quadrajet & Monojet Carburetor Idle Mixture Screw 16-106

Rochester Quadrajet & Monojet Carburetor Idle Mixture Screw 16-106

Your Price: $6.95
10-32 x 1.600"
Part Number: 16-106
Availability: In Stock

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Quadrajet or Monojet idle mixture screw. Please note that more than one screw is used on these carburetors. You will need to compare the measurements on the picture.

Price is for 1 screw & spring.

SPECS:
  • Thread = 10-32
  • Overall length = 1.600"
  • Shaft = 1.406"
Among others included carburetor number: 7029014


Adjusting the Idle Mixture Screws

The idle mixture screws only affects idle. They simply control the amount of fuel and air mixture that is delivered at idle.

First run the screws in all the way until they seat, lightly. Too hard and you will damage the screw. Now back the screw out until the specified rpm is achieved. Turning the idle mixture screws clockwise (in) leans the idle mixture. Turning the idle mixture screws counter clockwise (out) richens the mixture.

Turn the mixture screws, alternating between the two in 1/4 turn at a time until the engine rpm starts to drop, then turn them back out 1/4 of a turn.


When adjusting your idle mixture screws doesn't seem to change the engine rpm much is an indication that there is something wrong and could be an indication of a needed rebuild.

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