Engine & Exhaust

In our Top Class 565 (part two), we showcased cylinder head and valvetrain assembly for Trick Flow’s 565-cubic-inch big block Chevy. This time around, we’re gonna find out what this […]

Got questions?  We’ve got the answers—the Summit Racing tech department tackles your automotive-related conundrums. This week we take on premature camshaft and distributor gear wear..                              T.H. • Loveland, CO Q: […]

No matter how often you drive your side by side, there will inevitably come a day that calls for a simple, but thorough tune up. Many tuning tips are universal […]

Engines produce vacuum, and over the past 120 years, engineers have contrived ingenious ways to harness its power to the engine’s induction system. Through a labyrinth of small-bore drillings in […]

It’s a dirty job, but somebody’s got to do it. If your vehicle was produced after 1975, chances are good that it came from the factory equipped with a catalytic […]

If you ever have the chance to discuss engine tuning troubles with the legendary Jon Kaase, you’ll rejoice in his simple logic: “Most engine troubles are centered on spark or […]

Got questions? We’ve got the answers—the Summit Racing tech department tackles your automotive-related conundrums. This week, we’re making a few jetting changes to accommodate for high-humidity racing.                                 D.D. • Agana, Guam […]

In our first Top Class 565 post, we outlined the short block assembly for the 565 cubic inch big block that will be part of the prize package awarded to […]

Got questions? We’ve got the answers—the Summit Racing tech department tackles your automotive-related conundrums. This week, we’re helping a Camaro overcome its stumbling problems.                                  D.P. • Bridgewater, PA Q: My […]

Today, our product spotlight is on MSD Atomic EFI Fuel Injection Systems. We’re going to talk about the various components that make up these systems, what they do, how they […]