Re: Carburetor WCFB 4-Barrel
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Home away from home
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Posted on: Today 1:12
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Re: Carburetor WCFB 4-Barrel
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Home away from home
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Quote:
Probably you are already aware, but the pair of butterfly valves only work in tandem when the choke is all the way open. Before that point, only the one set will open, except at full throttle an "unloader" cam will open the second set partway so that you can air out a flooded engine by flooring it while cranking. So I like to check operation by confirming the unloader works with the choke closed, then I push open the choke and confirm the tandem operation. Of course, the exact values for the gaps that things have in various states are shown in the instruction sheet and service manual. But if the second set was not connected at all, then you basically had a 2 barrel carb with this unloading functionality disabled in addition.
Posted on: Today 1:22
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