Truck 5.3 build
#1
Truck 5.3 build
Have a 2000 gmc half ton. The original 5.3 has nearly 300k on it so I'm about to start building an engine for it. Gonna get a good used engine identical to mine and build it. I want to upgrade to get more low end grunt out of it. I know I need a cam with less duration than one made your