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 ...

Q: I drive a 2001 Lexus LS430 with 58,567 miles. The car manual says I should use gasoline with an octane of 96 or higher. I cannot find an octane that high. Any suggestions? — J.S., Fort Lauderdale, ...

Back in the day—1965—were we doing anything by adding mothballs to the gas tank in my new Plymouth 383? The legend about mothballs improving internal-combustion engine performance dates back to the ...

Some new cars claim to require premium fuel, others recommend it and most new vehicles on the road today are perfectly happy with regular fuel with nary a hiccup. Simultaneously, we're bombarded by ...

SAE International Journal of Engines, Vol. 4, No. 1 (2011), pp. 976-997 (23 pages) ABSTRACT This paper describes a quasi-dimensional multi-zone model of the CFR engine. The engine cylinder was divided ...

Filthy myths run rampant when it comes to understanding race gas. Some say that the higher the octane the slower the burn rate. Others claim that too much octane reduces horsepower. Unfortunately, ...

SAE Transactions, Vol. 104, Section 3: JOURNAL OF ENGINES (1995), pp. 2149-2157 (9 pages) The surface of the combustion chamber is intended to absorb electromagnetic radiation from the flame at ...