When it comes to carburetor tuning, there is literally "no substitute for experience." The most successful tuners possess a near-instinctual "feel" for fuel system problems, based on their years of ...

With our M715 sucking down fuel at a rate of 4 mpg, we knew we had to do some-thing. We were running a Holley 670cfm Truck Avenger on our Chevy V-8, and thanks to an AEM wide-band O2 sensor, we knew ...

With our M715 sucking down fuel at a rate of 4 mpg, we knew we had to do some-thing. We were running a Holley 670cfm Truck Avenger on our Chevy V-8, and thanks to an AEM wide-band O2 sensor, we knew ...

Greg Rupp inherited a problem. He traded his street rod for a very nice '67 Plymouth Belvedere with a 383 and a four-speed. The B-Body was a really clean car, and his friends all agreed he landed a ...

A lambda probe (or oxygen sensor) can be found on the exhaust system of most cars running on unleaded fuel. Having reached its normal operating temperature (of about 600 degrees Celsius!) the lambda ...