There are many scenarios that require you to lay out hard-earned cash for a race engine. Maybe you are new to racing and starting from scratch. Maybe you are moving up a class. Maybe you ran it hotter ...

Duvernay has the highest stock output production Quad 4: the 190-hp 1991 to 1992 RPO W41. The 1993 W41 lost 10 hp due to smaller exhaust ports. Photo: Kevin Davis via Wikipedia (CC-3.0) A 1992 ...

Back in the day, electronics referred to transbrakes, delay boxes, and throttle stops. With all due respect to the older crowd, in an era when 3,500-pound door slammers are running 7-second e.t.’s on ...

You just put your new crate engine together and your adrenaline is pumping. Pump the throttle, turn the key, and… the thing runs like a total dog. It idles fine, but as soon as you step on the ...

So you're wondering what's the big deal with "digital," are you? Unless you've been hiding under a rock for the past decade, almost everything you hear about is new, improved, and digital. The "old ...