Making 12.3 psi at peak power, we had picked up nearly 38.8 horsepower per pound of boost. With our smallest 2.85-inch pulley the Aluminator soared to 905.7 hp and 717.4 lb-ft.

For ultimate power production, turbocharging offers the most power per pound of boost-period. No amount of marketing hype, wishful thinking, or even out-and-out misrepresentation can change that fact.

The 6.1 HEMI is capable of producing in excess of 1,000 horsepower with just over 20 pounds of boost supplied by a larger supercharger like the Kenne Bell 3.6L twin-screw unit, priced at $8,349.

Adding a turbo or supercharger can increase your engine’s power. We investigate what owners say about how much a 5.3L Vortec V8 can safely be boosted.

Want a Cheap Horsepower Boost? ... oil starvation in a GM LS V8 engine—as much as a 10% increase in horsepower while running with ... returns were 589 hp and 412 pound-feet.

No better way to quadruple a two-valve Jeep engine's horsepower like 20 pounds of boost and water-meth injection. By James Gilboy. Published Oct 9, 2020 1:34 PM EDT 0. www.thedrive.com.

Despite tougher emissions rules coming in January and high fuel prices, the diesel-truck horsepower wars roll on.Ford, Dodge, Chevrolet and GMC plan t ...

Making 12.3 psi at peak power, we had picked up nearly 38.8 horsepower per pound of boost. With our smallest 2.85-inch pulley the Aluminator soared to 905.7 hp and 717.4 lb-ft.