Overheating will not likely hurt the carb, but stale gas can cause a crusty tan scale buildup inside the carb, and be hard to ignite compared to fresh gas. Very stale gas has a nasty smell to it, you won't confuse it with fresh gas smell.

Last edited by GO_Fish; 03/09/12 10:42 PM.
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