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 ...

Welcome back for Part 2 of tune-up tips for your older Corvette. Last time we talked about tricks of the trade when setting points. This month we will talk about setting ignition timing. The most ...

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 ...

Older vehicles with distributor-based ignition systems need their timing checked on a regular basis, otherwise you can have a host of problems. Starting becomes difficult, idling will be rough, ...