What should I do with my Silverado 4.8?
What should I do with my Silverado 4.8? I just purchased a 2011 Silverado with a 4.8 and am looking for ideas to increase power and maybe fuel economy. Already have exhaust. I've heard different opinions on a new intake vs just buying a new filter??? Which is better Chevy Silverado 4.8 or 5.3? Most truck rags have noted that the rear wheel HP of the 4.8/5.3 is down compared to what Chevy has claimed. The 5.3 is weaker than the new Triton 5.4 as an example. I suppose that it's all in waht you're expecting. My 4.8L 5 spd...