Tech

Detonation is a great thing if you’re taking in a fireworks show or maybe watching MacGyver. Inside your engine? Not so much. In fact, it’s probably best if you avoid detonation at all costs where your engine is concerned. Detonation occurs when excessive heat and pressure in the combustion chamber causes the air/fuel mixture to ignite on

If you happened to catch the introduction of the Saving Silverado project, then you know that there are as many things wrong with it as there are right. One of the trouble spots with this newly acquired crew cab pickup is the braking system, which shows off its warped front rotors and squeaky pads at

[portfolio_slideshow id=46333] Automotive enthusiasts have been modifying trucks as long as they have been around, and the GMT800 series Chevy Silverado/GMC Sierra truck body style built from 1999-2006 is certainly one of the most popular body styles to do so with. When it comes to owning or not owning a truck, let’s face it; no one wants to be that

You’ve got questions. We’ve got answers—the Summit Racing tech department tackles your automotive-related conundrums. This week in our Mailbag, we’re tracking down the cause of hard starting and gasoline odor. J.S. Doylestown, PA Q: I have a 1988 Firebird with a 305 TPI engine. I installed a Hypertech Thermomaster computer chip and thermostat, plus an MSD ignition box. My

I recently went with my buddy to chassis dyno test his LS-powered Nova and toward the end of the first test the car spit the driveshaft out and it went spinning across the floor of the shop! What causes this to happen? I’ve heard this happening much more often on the chassis dyno than on

In our Intercooler Guide (Part 1) post, we covered the differences in air-to-air and liquid-to-air intercoolers and provided some general advice from Mishimoto about which might be right for you. Once you’re done making that choice, you’ve still got some important decisions to make. In Part 2 of our guide, we’ll show you how construction

[portfolio_slideshow id=46165] When Chevrolet announced they were bringing the Camaro back and that it was going to be a retro design, many Camaro enthusiasts probably thought: “I really hope they don’t screw it up!” Let’s face it, with a car as iconic as any of the first-Gen Camaros, it had to be true to the original in

If you’re experiencing leaking fuel injectors, you might think new O-rings will correct your engine’s fuel delivery problems, but you’d probably be wrong. O-rings might do the job but usually they are only a temporary fix. If your fuel system is leaking all over the intake manifold through the injectors, you’ll need to replace the injectors.

Watch this video from Power Nation and Summit Racing, and let tech expert and OnAllCylinders contributor Jeff Smith show you how to set lifter pre-load on a small block Chevy engine. It’s as simple as remembering to abbreviations—EO and IC. EO is exhaust opening. IC is intake closing. First, Smith walks you through the manual

You’ve got questions. We’ve got answers—the Summit Racing tech department tackles your automotive-related conundrums. This week in our Mailbag, we’re tracking down the source of gasoline in oil. Q: The 351 Cleveland engine in my 1974 Mercury Cougar is having a power problem. It has an Edelbrock intake manifold with a 600 cfm Holley four-barrel, 2V Cleveland heads, Crane