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automotive fittings - photo by Hot Rod
Tech Articles

AN Fittings Torque Chart for Automotive Plumbing

AN stands for Army-Navy. The size specifications were established by the U.S. military during World War II and were originally used in the aerospace industry. AN fittings use a 37-degree […]

Racing slicks
Q&A

Mailbag: How Long Do Drag Slicks Last?

Q: How long will a set of drag slicks last? … A: The life of a drag racing tire can be determined by many factors. Tire compound, track conditions, vehicle […]

Featured Vehicles

SEMA 2019 Project Update: Cool Hand Customs’ 1960 Simca Autocross Wagon

When our friends E.J. and Amy Fitzgerald at Middleton, WI-based Cool Hand Customs told us what their 2019 SEMA Show project would be, we raised a collective eyebrow. Somewhere they […]

Tech Articles

Improving Hook with Sway Bars on Drag Cars

In the past, we’ve taken a look at the forces at work when a vehicle is accelerating. To recap: “…as each cylinder in the engine fires, the pistons (and consequently […]

Videos & Galleries

Lot Shots Find of the Week: Custom Chevy Fleetmaster

Last week, we shared photos of a beautiful 1964 Ford Fairlane 500 that we spotted outside of the Summit Racing retail store in Tallmadge, OH. You can see today’s Chevy […]

Tech Projects

Project Firebolt: The LSX Turbo Tacoma (Part 10): Plumbing for Fuel, Oil and Water

It’s time to tackle the important job of plumbing the lines for all the vital fluids that will keep Firebolt alive and well. This turbo 5.3 will need plenty of […]

Q&A

Mailbag: Lowering ETs with a New Cam & Intake Manifold

Q: My current project is giving me trouble. I have a 1953 Chevy 1/2-ton truck with a 283 at .030 overbore and .010 under rods and mains. I’m running early […]

NHRA

NHRA Wrap-Up: Force Wins #150; Rookie Prock & Hartford Win in Seattle

John Force powered to his 150th Funny Car win on Sunday, rolling to the milestone victory at the NHRA Northwest Nationals at Pacific Raceways in Kent, WA near Seattle. While […]

Readers' Rides

Vote Now: The Top 10 Facebook Fan Rides of July 2019!

July brought the heat…both in terms of temperatures and the hotness factor of the fan rides shared on Summit Racing’s Facebook page. Now it’s your job to determine the top […]

Q&A

Ask Away! with Jeff Smith: Diagnosing Oil Pressure Drops in a Big Block Chevy

I have a big-block Chevy in a ‘69 El Camino that I just purchased. I really don’t know much about the engine other than it is a 454 with an […]