Tech

Q&A

Ask Away! with Jeff Smith: Optimizing Compression in SBC Corvette Boat Engine

I’m rebuilding a Corvette small block Chevy engine for my cruiser boat in Australia. It’s a mid-range torque engine. I’m using Scat forged, floating pin rods, and a mild Isky […]

Tech Projects

GRM Swaps LS6 for New LS3 to Power C5 Z06 Racecar (Video)

The Chevrolet Corvette C5 Z06 was produced between 2001 and 2004 and has been a formidable weapon at autocross and road racing since day one. As depreciation sets in, these […]

Q&A

Mailbag: Q-Jet Carb is a Great Choice for Off-Road 4×4

Q: I have a 1973 Chevy K20 truck with an aluminum-head, roller cam 383 stroker. I’ve heard from some of my old-school gearhead friends that a properly tuned Quadrajet is […]

Tech Articles

Ask Away! with Jeff Smith: How 2618 vs. 4032 Alloys Affect Forged Piston Noise

I am building an LSA supercharged 6.2L motor. I would prefer to run a 4032 forged piston with a 12cc dish to create the proper compression ratio. I recently watched […]

Q&A

Mailbag: Choosing an Engine Management System for an LS-Swapped ’82 Olds Cutlass

Q: I’m swapping a low-mileage 5.3L LS engine from a 2011 GMC truck into a 1982 Cutlass drag car. The engine will be upgraded with a Trick Flow® 455 HP […]

How Tos

6 Great Ways to Experience Epic Clutch Installation Failure

The good people at RAM Clutches have been helping their customers properly install performance clutches for decades. But today, we’re going to share RAM Clutches’ top tips for setting up […]

Tech Articles

Dyno Test: Adding 120 HP with Cam Swap in Turbo LS 5.3L

LS engines respond well to cam swaps. It’s probably the #1 upgrade for any LS, because the gains can be dramatic. The reason is that the LS engine family, from […]

Pro-Filer Performance Cylinder Head
Q&A

Mailbag: How Exhaust Runner Volume Affects Engine Performance

Q: How is exhaust runner volume measured and how does it affect performance? … A: Exhaust runner volume is the measure of the passage from the exhaust valve to the […]

Tech Articles

Ask Away! with Jeff Smith: A Brief History of the Airflow-Restricting Chevy 305

How did Chevrolet build the 305 cubic inch small-block? Is it a mash-up of 283 and 350 parts? Or is it just slightly larger than a 302 Chevy engine? — […]

Tech Articles

Clash of the Turbo Titans: Summit vs. eBay Turbos

Turbos rule. If you’re a turbo guy (or gal), there has never been a better time to be an enthusiast. Just look around, turbos are everywhere and on everything. Not […]