THE BEST SIDE OF 4AGE 20V BLACKTOP

3. Immediately after i set the TB completely shut, then adjust the by-pass screws to accomplish the harmony, would the adjustment of by-go screws opens the butterflies to let additional air in by adhering to the ways from the 20v guide?The engine's AFR seems typical at cruise, but rich at idle, and also the stinky smell makes truly feel Unwell if i