Measure the distance between the bottom of the floats and the bottom of the air horn, meaning the portion of the air horn that touches the body of the carburetor when installed with a T-scale. The factory measurement depends on the model of the BBD as found on the tag mounted to the c...
using a screwdriver. Pull the air horn off. Pull out the two metering rods and set them aside. Remove the small float bowl shield gasket. Use a turkey baster to remove any gasoline in the float bowl and dispose of it in a certified container. Look at the float and its pivot arm. A ...
We used Edelbrock for former RPM S for the heads and the intake manifold and defeated one of their Thunder series A BS carbs. After it was finished, we took it for a ride to Young's performance in Decatur Alabama where after some tuning and several pulls, it cranked out 525 horsepower ...
preventing damage due to pressure or vacuum. The bowl vent(s) will be the hollow, vertical tube(s) coming out of the top center of the carb or on either side of its air inlets.