Tech

Driveline / Tech

Gear Jammers: How Different Driveline Combinations Affect Your Gearing Selection

Back in the day, the common way to select rear end gears for a car was downright simple: In an automatic, whatever ratio was in the transmission, was in the […]

Tech / Tech Projects

Project S71 2021 Chevy Silverado Overland Build, Episode 8: The Wrap-Up

Over the course of several video installments, we’ve seen the tech aces at Summit Racing transform a stout 2021 Chevy Silverado into a no-compromise off-the-grid expedition rig. Dubbed “Project S71,” […]

Ignition & Electrical / Q&A

Ask Away! with Jeff Smith: How to Connect a GM CS-130D Style Alternator in Place of an Original CS130

I have been looking for how to wire a CS-130D alternator in place of my CS-130. I came across your article on how to hook up a new alternator in […]

Engine & Exhaust / Tech / Tech Articles

4.8L LS Engine Guide: Block Specs, Swap Resources & Build Info

For well over two decades, GM put LS engines in everything from sports cars to cargo vans. That means the factory produced the LS in a range of displacements, starting […]

Exterior / Tech / Tech Projects

Project S71 2021 Chevy Silverado Overland Build, Episode 7: Adding the Roof Top Tent, Fridge & Camping Gear

We’re nearing the completion of Project S71, as the Chevy Silverado truck has already received a bounty of off-road and overlanding upgrades, including a bed rack, suspension lift, and LED […]

Induction / Q&A

Ask Away! with Jeff Smith: Should I Drill Air Bypass Holes In All 4 Carb Throttle Blades to Improve Idle?

Recently you wrote an article that mentioned drilling holes in all four throttle blades on the Holley carb to change the blade position compared to the transfer slot. I have […]

Engine & Exhaust / Product Profiles / Tech

Plus is the New E: Summit Racing E303 Plus vs. Ford E303 Camshaft Comparison

How much is a cam swap worth on a 5.0L Mustang? Obviously, the next question should be: What cam swap are we talking about? The Ford Performance “Alphabet Cams” When […]

Driveline / Engine & Exhaust / Tech / Tech Articles

Big Inches & Big Power: A Simulated Look at Maximizing Acceleration with Chevy Performance’s ZZ632 Big Block

The big news in Bowtie land these days is Chevrolet Performance’s monster ZZ632 tall-deck big-block crate engine that can make 1,004 hp on 93 octane gasoline. Everybody is buzzed about […]

Engine & Exhaust / Tech / Tech Articles

6.2L LS Engine Guide: Block Specs, Swap Resources & Build Info

Over the course of its 20-plus years of production, the trusty GM LS engine came from the factory in a wide range of displacements, from a humble 4.8L to a […]

Exterior / Tech / Tech Projects

Project S71 2021 Chevy Silverado Overland Build, Episode 6: Installing a Bed Rack & Cargo Storage Solutions

While it’s easy to get caught up in the fun of bolting-up cool off-road gear like big wheels and tires, a suspension lift, and rugged bumpers, a major focus of […]