Other parts used for this build included a Holley LS-swap oil pan and a GM LSA accessory-drive system. See All 9 Photos. On 15 pounds of boost, the blown 427 LS made 1,003 hp at 6,600 rpm, ...

5.3L LS Small Block Build - LS Modern Mouse: ... While we knew 600 hp was out of the question in normally aspirated trim, we also knew that we could get a lot closer to 500 hp with a simple cam ...

Reader Mario Mendoza ask's if he should build up a 400 small-block or swap in an LS1 engine into his ... the larger 6.0L (364.1ci) LS motor can make 500 to 550 hp with decent heads and the ...

General Motors introduced the 5.3-liter (325-cubic-inch) LS4 in 2005 to bring V8 power to its sporty front-wheel drive lineup. Like other LS engines, as a member of the fourth-generation small ...

Back in part two of Modern Mouse, our 324 (5.3L) produced 493 hp, which equates to 1.521 hp per cubic inch. If we apply that specific output to a 383 stroker, we wind up with 582 hp. Such can be ...