Engine 4.8 to 5.3 V 8
F FRANKLIN D B · Guest Joined Jan 1, 1970 · 0 Posts Discussion Starter • #1 • Sep 12, 2007 Engine 4.8 to 5.3 V 8
M McLaren · Guest Joined Jan 1, 1970 · 0 Posts Discussion Starter • #2 • Sep 12, 2007 2005 Silverado Z71. 5.3L, runs fine, fuel mileage is abysmal. Mine averages 12-15 mph.
