Originally Posted by Ohio-Dan
If there was any separation at all........A grove such as the one being talked about........ "Could" in fact make a difference.......
IF one were using a throttle body FI system, then perhaps
(not likely). but the gadgetman is showing it on a port injection system throttle body. in the port injection system there is NO FUEL anywhere near the groove to atomize. atomization doesn't begin until fuel is injected right at the head ports.