RE: gst still having issues!!!
Chopz,
Of course its possible your filter has an air leak. If your fuel line is transparent you will see the air bubbles in the line, but if there are no bubbles then try richening up the LSN, because you say its reving when you slow down means the low speed side is running very lean..also if your high speed needle is set too lean then the low side will be starved into a lean condition.
Hope this helps good luck!!