Drag racers use various types and mixtures of fuel. Here’s an in-depth look at the different types of fuel and how each would ...

John Paul, AAA Northeast's Car Doctor, answers a question from a reader wondering whether they need to follow the ...

Q. Is it necessary to use premium 91 octane gas or can I safely use regular 87 octane in my 2017 Acura RDX? What about mid-grade 89 octane? A. Acura recommends 91 octane fuel, and the key word is ...

How high of an octane does your car actually need to run well? Here's what to know about the consequences of using the wrong ...

“If it says ‘premium required’ I strongly suggest using the premium gasoline,” Studzinski said. However, if a driver mistakenly puts 87-octane regular in a vehicle that needs 91 or ...

Dyno test of budget friendly 5.3L LS engine that makes 416 hp on 87 octane gas We put together a budget 5.7L LS engine (327 cubic inches) to show that you don't have to go broke to enjoy the ...

A page allegedly taken from a Ford training manual shows just how much power that the 2015 Ford Mustang's 2.3-liter EcoBoost engine loses when burning lower octane fuel. It appears to make around ...