Intake manifold vacuum is a key indicator of engine performance. By measuring vacuum under different engine loads and conditions, you can track down problems within your engine and make the […]

Doug Eldred is a true hot rod guy. He owns Eldred Hotrod Shop in Edinboro, PA, but when he’s not overseeing builds and wrenching on customer projects, he prefers to focus on […]

Mark Lyle, Chief Starter for the NHRA, passed away unexpectedly this weekend while vacationing in Mexico. He was 65. Lyle assumed the role of NHRA’s Chief Starter in 2012 and was […]

Business trips can be stressful, so Hertz, Shelby American, and Ford Motor Company have created a new way to take the edge off. The 2016 Shelby GT-H will be available to […]

Pontiac may be gone, but the Trans Am will never be forgotten. That’s especially true for the most iconic Trans Am of all time: the Smokey and the Bandit Trans Am. […]

Eaton is synonymous with automotive differentials. The company helped coin the term Posi-Traction, and its Detroit Locker is arguably the most-famous of all locking differentials. Eaton earned its reputation for producing […]

In junior high science class, you probably learned about the three states of matter: solids, liquids, and gases. Chances are you didn’t spend as much time talking about the lesser-known fourth […]

Stall speed is essentially the engine rpm at which a torque converter transfers the torque of the engine to the transmission (see our earlier post on how a torque converter works). […]

The late models are gone. A few old-school hot rods remain. And yes, there’s still plenty of ’60s and ’70s American muscle to go around. Our 2016 Muscle Car Match-Ups field has […]

The Ridetech StreetGrip suspension was one of the most talked-about new products at the SEMA Show in Las Vegas last November. You can find out what all the buzz was about by reading this […]