Formula 1 engines make huge amounts of efficient power thanks, in part, to pre-chamber ignition, but it was actually Honda that pioneered the tech in the '70s.

PACCAR has patented a method for starting a vehicle’s engine that involves rotating the crankshaft while keeping the exhaust valves of the combustion chambers open before fuel injection. The engine ...

HOT ROD’s archives are chock-full of brilliant tech reports that truly are timeless. This one, drafted by Jim McFarland for our February 1972 issue, provides an extensive look at how important airflow ...