Engine & Exhaust

Call it a weakness, an obsession—whatever. But there’s something about the smell of assembly lube that makes us come a runnin’. For example, when our buddy Don Lower decided to […]

What are the advantages of cast pistons versus forged pistons? Learn why high-boost, high-horsepower modifications lend themselves to the more-expensive and typically much stronger forged pistons. Also, hear why hypereutectic […]

  Friend 1: “Go across the bridge, through town, and jump on the expressway north.” Friend 2: “No, no, no. Go under the bridge, hop on the bypass, and pick […]

When we last left you, Trick Flow Specialties was in the process of building the short block for its 440 cubic inch GM LSX engine (440 LSX, Part 1). Designed for […]

  Do I have the right fan for my cooling system needs? This post will cover all the fan options available for your ride.   Mechanical Fans  Mechanical fans rely […]

440 cubic inches used to be the domain of rip-snorting big block engines. Even more specifically, the number 440 denoted the rip-snorting big blocks produced by Mother Mopar and the […]

Got questions? We’ve got the answers—the Summit Racing tech department tackles your automotive-related conundrums. This week, we’re covering the benefits of high-volume, high-pressure oil pumps.   R.B. • Mannford, OK […]

This much you know: A) you’ve upgraded your vehicle with a variety of aftermarket mods, and B) you want to get maximum power from those modifications. The question is how […]

Learn about roller and flat-tappet camshafts. Learn about the differences between drag racing and towing applications for choosing the best camshaft for your vehicle. Better understand the duration and lift […]

Got questions? We’ve got the answers—Mondays when the Summit Racing tech department tackles your automotive-related conundrums. This week, we’re decoding mysteries of the IROC-Z.   J.M. • Lake City, FL […]