I HAVE AN AEM BRAND GAGE.I PAID 260 TO MY DOOR 2 YEARS AGO...BEST TUNING DEVISE I CAN EVER BUY!!!
HIGHLY SUGGEST BUYING ONE REGARDLESS OF BRAND!!!
14.7 IDLE
13.7 LIGHT CRUISE
12.7 WIDE OPEN NATURALLY ASPERATED
11.7 NITROUS WIDE OPEN
ABOVE IS MY UNDERSTANDING OF GOOD SAFE AIR FUEL RATIOS TO SHOOT FOR,IM SURE ILL GET FLACK...