GM LS1 5.7L Engine: Evolution, Specs, & Common Issues Explained

Discover how the LS1 became a lightweight, swap-friendly V8 icon, from its C5 Corvette debut to HSV power upgrades, and learn ...

Here’s How to Tell If You’re More Aerobically or Anaerobically Fit—and Ways to Get Better at Both

To test aerobic fitness, Matlock suggests running a one-mile time trial, which means doing a mile at an all-out effort.

How To Measure Your Car's Horsepower At Home (And Why It's Useful)

You can measure horsepower at home by timing RPM climbs, calculating wheel speed from tire size and gear ratios, and comparing the results to SAE net specs.

Bore Vs. Stroke: How These Two Specs Decide An Engine's Power

Bore and stroke are two important measurements that help determine an engine's power. Here's what they mean and why they're ...
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The Best Intake Manifold Upgrade To Get The Most Out Of Your 6.7 Cummins

One upgrade can get your 6.7 Cummins engine running cleaner and making more power. This must-have Ram upgrade is also on sale ...