Tech Articles

The U.S. Environmental Protection Agency seems to love its ethanol. Farmers love it, too. But if you’re a hot rodder–particularly a hot rodder with a carbureted or older-style fuel system–ethanol isn’t […]

Rotor phasing refers to the alignment of the rotor top and the distributor cap terminal when spark occurs, according to MSD Ignition. It’s critical to maximizing engine performance. Incorrect alignment […]

You’ve got questions. We’ve got the answers—the Summit Racing tech department tackles your automotive-related conundrums.  Q: I own a first-gen Pontiac Firebird coupe with a mostly stock 1971 400 engine. The engine is […]

Okay, I keep reading about there is a difference between detonation and pre-ignition but it seems that whenever I ask anybody about this, they agree but don’t know the difference. […]

We hear a lot of questions about torque converters. That’s why we’ve spent a fair amount of time covering torque converters in the past. Our articles have included advice on […]

Whether you drive a custom hot rod or a late model family sedan, it’s nearly impossible to over-estimate the importance of having the correct air pressure in your tires. Proper […]

A motorcycle’s clutch has a huge impact on a bike’s handling and power. Without a smooth-operating clutch, a bike’s rear wheel is more likely to break loose which can lead […]

In the ‘80s, GM used a 4.3L 90-degree V6 in many different cars. I know that this engine is basically a small-block Chevy with two cylinders removed. This got me […]

I’m considering buying one of those self-learning TBI fuel injection systems. I’ve heard that the fuel delivery system is the most important part of the installation so I’ve been reading […]

Furnace brazed. Induction hardened. Shot peened. These are phrases you’ll find throughout your Summit Racing catalog. They are often included as beneficial selling points on parts—in most cases, critical engine […]