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Mastering LS3 swaps and tuning for real-world builds

The LS3 V8 has become the go-to swap engine for enthusiasts thanks to its blend of power, reliability, and aftermarket support. Paired with HP Tuners and modern tuning techniques, builders can ...
Hot Rod

Edelbrock’s 720HP Blown LS3 Crate Engine

Higher pressure and more volume. Those two basic elements are what's required to pull 720 hp and 695 lb-ft from Edelbrock's hard-charging LS3 crate engine. The higher pressure results from the forced ...
Motor Trend

Corvette LS3 Engine - Worthy Successor

Our recent testdrive of the '08 Corvette (Apr. '08) yielded a torrent of technical questions concerning one key subject: How was Chevrolet able to make significant improvements to the decade-old LS ...
SlashGear

GM's LS3 Vs. LS7 Engine: What's The Difference Between Them?

The small-block Chevrolet (SBC) V8 has undergone several refinements over the decades since its creation. While every true SBC generation uses the same 4.40-inch cylinder bore spacing, single camshaft ...
SlashGear

How Much HP Do LS3 Crate Engines Have, And How Much Do They Cost Today?

The LS3 crate engine has earned a reputation as one of Chevrolet's most trusted and versatile powerplants. Churning out 430 hp at 5,900 rpm, in addition to 425 lb-ft of torque, which arrives at 4,600 ...
Hot Rod

First Look: Performance Design’s XS Intake Manifold for LS3 V-8

A stock LS3 rec-port intake manifold is hard to beat and only costs $299. When Chevy went back to the drawing board after the success of the cathedral-port Gen III LS1 small-block V-8, it realized ...