It's clear that winning HOT ROD's AMSOIL Engine Masters Challenge with a carbureted engine requires more focus on the area under 4,000 in the rpm range than we could imagine. We were expecting a ...

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 ...

Chuck Jenckes has exercised his engineering talents at several companies, including the major OEMs in Detroit, Trick Flow, and-now, through his consulting business-Demon Carburetion. Always in demand, ...

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 ...