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 ...

Let's paint a picture: You've just stuffed your new engine between the framerails of your hot rod. All the hoses and lines are hooked up. It has fresh oil. Even the screw heads on the accessory ...

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 ...

While people may have biases over which method of administering fuel they think is best, engines don't give a rip. Feed them well, and they will treat you well. This is evidenced by the fact that ...