Looking to do an engine swap in my old 87 silverado 2WD truck. I've decided I want to go with the 5.3L because that's what people are getting the best gas mileage with. However, as we all know, there is always room for improvement on factory stuff. What kind of power can I make with the 5.3L, without sacrificing any gas mileage? And what mods should I use?
I'm thinking a full exhaust system (including headers) would free up some power and maybe even a little MPG. But what else?
I'm thinking a full exhaust system (including headers) would free up some power and maybe even a little MPG. But what else?