With Project Pure Poncho fully broken-in and its power documented (491.8 hp/551 lb-ft), it was now time to begin our research and development work. As a review to those who may not have followed the ...

We've all seen octane ratings at the fuel pump, and based on the numbers, it's easy to think the higher number is better. From lowest to highest, the types of gasoline are regular, mid-grade, and ...

"This ain't no stinkin' Chevy, man." In the beginning, we thought it would... be another simple, low-buck engine hop, the type we'd done a dozen times before on Chevy motors. Frequent Car Craft ...

87 octane gasoline, often called "regular" gas, is one of the most commonly used fuels in the United States. But what gives it that 87 rating is a word you've probably heard a time or two: Ethanol.

It's true, even though there are new regulations for electric vehicles in the 2025 vehicle inspections, the emission testing ...