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 ...

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 ...

A Muncie is not going to hold up to 500 hp and slicks, but.bolt one behind a 5.3 making 350-400hp on street tires, and you will have no problems at all. Your combo makes a big difference- just ...

This one added 80 hp, lifting the junkyard, flat-top 5.3-liter from 342 hp all the way up to 422 hp. Taking it one step further, Holdener added new ported heads and an upgraded intake manifold ...

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 ...

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 ...