How Much Hp Can A 5.3 Ls Make?

How Much Hp Can A 5.3 Ls Make? The stock 5.3L is factory rated around 320 hp with 340 lb-ft of torque. Most people will tell you 500-550 rwhp is a reasonably safe limit to push a stock bottom end. How much horsepower can a 5.3 make? The normally aspirated 5.3L eventually produced 503 hp … Continue reading How Much Hp Can A 5.3 Ls Make?