Saturday, January 29th, 2011 AT 12:27 PM
I am looking to increase the mpg on my '86 Silverado and was considering a few options: replacing the current 650 CFM 4-bbl carb with a 2-bbl lower CFM carb; converting it to a a TBI system; or converting it to a EFI system. Which would be the easiest and most cost efficient?