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Manual/Auto Carbs

AkMudr

1/2 ton status
Joined
Dec 30, 2004
Posts
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Location
Alaska
In mid 80's chevy 3/4 tons, engine code M..Would the carb in an automatic differ from one in a manual? I know Auto's usually have vacuum secondaries. Im thinkin about a swap but will need to keep an I/M legal carb.
 
Yes, they will be different (stamped numbers at least) but other than that I've never checked them side by side.
 

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