Motorcraft 2150, 2 Barrel Idle Mixture Screw

Motorcraft 2150, 2 Barrel Idle Mixture Screw 16-84

Your Price: $4.95

10-32 x 1.262". Motorcraft 2150

Part Number: 16-84

Availability: In Stock

Included

Spring (66D51)

Quantity

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Description

Motorcraft 2150, 2 barrel idle mixture screw. Please note that there are several idle mixture screws for the 2150. You will need to compare the size to make sure you are getting the correct screw. Price is per screw, you may need two. New springs are included.

Also used on Carter YS and Holley 5200 carburetors.

Match the overall length and taper style to your existing screw to be sure you're ordering the correct one.

Includes but not limited to carburetor numbers 4DM2-BA

SPECS:

Thread = 10-32
Overall length = 1.262"
Shaft = 1.0920"

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.

Motorcraft 2150, 2 Barrel Idle Mixture Screw 16-84

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