Been looking at 6.2L Chevy Silverados to replace my 5.3L. How much better of a job would the 6.2 compared to the 5.3 do especially when it comes to towing up mountains. My 5.3 really struggles with my...
The transmission matters more than the engine. If you have an older 5.3 with the 4L60E transmission, you will see a great improvement just moving to a newer 5.3 with the 6 or 8 speed trans. The 6.2 become a bonus at that point.