With all the different engine and combustion theories being tested at the Engine Masters Challenge, it made us wonder about the fuel these powerplants were gulping down. For the 2015 event, we had ...

Street-car turbo people, this one's for you. We all know that adding any sort of restrictor-like a muffler-is going to hurt power on a turbo motor. We also know that sometimes it just makes ...

On this episode of Engine Masters presented by AMSOIL, we test the power differences between 118-octane race gas and Rockett Brand E85 ethanol-blended fuel. There’s a lot more to just the horsepower ...

The Gen III Hemi was unveiled to the world in 2003 in Dodge's Ram pickup trucks, and we didn't yet know what to make of the clean-sheet-of-paper engine design. Well, we now know that this is one bad ...

Tugboat was my family's 1987 Dodge Caravan, which faithfully served us for years until its transmission finally exploded one lovely summer afternoon. Her 3-liter V6 was electronically fuel-injected, ...

The answer is yes: You can mix 87 and 91 octane gasoline without blowing your engine to hell. With that out of the way, let's discuss what mixing different octane fuels does to your engine in terms of ...