maybe, but not necessarily. Can't quite see. Those were emissions carbs, and on a virgin carb, there was a lead plug over the mixture screws. The screw head was recessed deep into the carb below the plug. An early attempt to prevent owner tampering.
Scott B.
"I'm a self-made man... I started with nothing, and I still have most of it!"
68 360 rusty B'cuda 'vert (GO Fish)13.59@ 98.72 mph
69 340 GTS stock 14.18@ 95.60 mph
01 5.9L Ram 1500 Quad Cab 4x4
01 3.5L 300M 16.23@ 86.97 mph