Carter #4401 AVS carb
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Re: Carter #4401 AVS carb
by rgalajda » Sun Dec 04, 2022 12:14 pm
More pictures. screw removed
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Re: Carter #4401 AVS carb
by rgalajda » Mon Dec 19, 2022 9:22 am
Did your carb have idle bypass air?
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Re: Carter #4401 AVS carb
by GTO Geoff » Mon Dec 19, 2022 9:19 pm
Yes, same as in your pic.
This only passes a very small amount of air. My understanding is that it is really an idle mixture 'trim' screw for the pre-set idle mixture screws.
The real bypass air screw AFBs were like on the one on my GTO, a large brass screw located between the idle mixture screws, which were external & adjustable. This carb did not have an idle stop screw, idle speed was controlled by the brass screw.
This only passes a very small amount of air. My understanding is that it is really an idle mixture 'trim' screw for the pre-set idle mixture screws.
The real bypass air screw AFBs were like on the one on my GTO, a large brass screw located between the idle mixture screws, which were external & adjustable. This carb did not have an idle stop screw, idle speed was controlled by the brass screw.
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Re: Carter #4401 AVS carb
by rgalajda » Thu Dec 22, 2022 5:26 pm
Idle bypass air like this
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