This Twin-Turbo V6 Chevy Silverado Engine Just Made 1,400 HP

A stock-based GM 4.3L V6 shocks the dyno with 1,400 horsepower at 33 PSI, proving this twin-turbo truck engine is far stronger than expected.
GM Authority

Twin-Turbo LS GMC Sierra Brings Boxy, Blacked-Out Style To SEMA

Gas Monkey Garage (GSG) has pulled the wraps off its latest creation: a fully customized, twin-turbo LS-powered GMC Sierra known simply as “The Black Truck.” The folks at GSG unveiled their ...
Hot Rod

The 1,064-HP Twin-Turbo 2025 Corvette ZR1 and the Trickle-Down Theory of Hot Rodding

Is this the beginning of something new or the beginning of the end? Cryptic? Well, yeah because these are confusing times for hot rodders and the messages telegraphed are often, at best, mixed and ...
autoevolution

1987 Buick Grand National Packs 1,600 Boosted Ponies, Twin-Turbo LS7 427 V8 Sounds Insane

The first-generation Buick Regal was a bit of a dog's breakfast, a personal luxury car that launched at the beginning of the Malaise Era. The G-body Grand National, however, is a very different animal ...
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Twin turbo setup: What it is and how it works

Before 1981, performance was simple. Auto manufacturers just created bigger engines, more cylinders, and louder exhausts like the Pontiac 7.5L V8 engine, used in models like the GTO, Firebird Trans Am ...