The only real way to know your air / fuel ratio for certain is to measure the exhaust with a wideband Oxygen sensor. In this case, this super clean and freshly restored 1969 Pontiac Firebird came to the V8 Speed & Resto Shop to have the air / fuel ratio measured and the carburetor tune corrected on the dyno by our technicians. The car is running a Pontiac 455 V8 and is hooked to a Tremec T-56 6-speed manual transmission. Fuel is provided with a Rochester Quadrajet carburetor, and the suspension and brakes have been upgraded for better ride and handling.The V8 Speed & Resto Shop team analyzed the air / fuel mixture and tuned the carburetor for maximum performance, as well as optimized ignition timing.Click the link to contact the V8 Speed & Resto Shop for all your Classic and Muscle Car tuning and restoration needs, from simple jobs to complete body and paint restoration.http://www.v8speedshop.com/contact314.783.8325SUBSCRIBE: https://goo.gl/RIkdDSFACEBOOK PAGE: https://www.facebook.com/V8TVshow/SHOP FACEBOOK PAGE: https://www.facebook.com/V8SpeedShop/#v8speedshop #v8tv #dynoDyno Carb Tuning a 455 powered 1969 Pontiac Firebird with Oxygen sensor at V8 Speed & Resto Shop