Engine & Exhaust

Engine & Exhaust / Q&A

Ask Away! with Jeff Smith: Some Good, Mild Performance Upgrades to a Direct-Injection Chevy Gen. V 5.3L LT Engine

I am rebuilding a 2014 L83 5.3L engine for my Silverado pickup and I’m considering making some changes to improve the performance slightly. I have looked into adding larger fuel […]

Engine & Exhaust / Tech Articles

Taking The Sting Out of Damaged Threads

We’ve all been there at one time or another—tightening a fastener to specifications, only the specified torque is never reached. That unsettling feeling of a stripped thread. For most of […]

Engine & Exhaust / Induction

The Forgotten Warrior: Chevy 305 (5.0L) Small Block V8 Performance Upgrades

Try this experiment the next time you are sitting around the garage or online, talking about small block Chevy performance. When everyone is talking about DZ302s, 365 hp 327s, and […]

Engine & Exhaust / Tech / Tech Articles

7.0L LS Engine Guide: Block Specs, Swap Resources & Build Info

For well over two decades, the LS was General Motors’ primary V8 engine family. That means GM LS motors wound up in everything from pickup trucks to late model muscle […]

Engine & Exhaust / News & Car Culture

Stellantis Introduces New 3.0L Twin Turbo “Hurricane” Inline 6 That’s Capable of Making 500+ Horsepower

Jeep fans will undoubtedly know the name “Hurricane,” as it was the moniker for the F-head four-banger that propelled early Willys CJs—itself a modification of the original “Go Devil” engine […]

Engine & Exhaust / Q&A

Ask Away! with Jeff Smith: Should I Put a Small Block or Big Block Engine in My 1974 Chevy Truck?

I am trying to decide on an engine for my 1974 Chevy project truck. The truck has a 350ci small block and a TH350 but I am thinking of going […]

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 […]

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 […]