Chevrolet TRAIL BLAZER (113 W.B.) 03-04 (4.2L, VIN S, 8th digit) Chevrolet TRAIL BLAZER (129 W.B.) 03-04 4.2L (VIN S, 8th digit) GMC ENVOY (SHORT W.B.) 03-04 (4.2L, VIN S, 8th digit) GMC ENVOY XUV ...
The popularity of various engine designs typically fades over time as technological advances provide more power, better fuel economy, or both. Flathead designs gave way to overhead valves, and inline ...