http://gmauthority.com/blog/wp-content/gallery/gm-5-3l-v8-ecotec3-l83-engine/gm-5-3l-v8-ecotec3-l83-engine-1.jpg
Type: 5.3L V8
Displacement (cu in / cc): 325 / 5328
Bore & stroke (in / mm): 3.78 x 3.62 / 96 x 92
Block material: cast aluminum
Cylinder head material: cast aluminum
Valvetrain: overhead valve, two valves per cylinder, variable valve timing
Ignition system: coil near plug, platinum-tipped spark plugs, low-resistance spark plug wires
Fuel delivery: direct fuel injection with Active Fuel Management Compression ratio: 11.0:1
Horsepower (hp / kW @ rpm): 355 / 250 @ 5600 (gas – SAE certified) 380 / 283 @ 5600 (E85 – SAE certified) Torque (lb-ft / Nm @ rpm): 383 / 519 @ 4100 (gas – SAE certified) 416 / 564 @ 4100 (E85 – SAE certified)
Recommended fuel: regular unleaded or E85
Maximum engine speed (rpm): 5800
Emissions controls: close-coupled catalytic converter, Quick Sync 58X ignition, returnless fuel rail, fast-response O_ sensor
Estimated fuel economy (city / hwy): 16 / 23 (2WD)
Read more: http://gmauthority.com/blog/gm/gm-engines/l83/#ixzz3lMYGQgAG
More of a Ford guy but my wife liked it more than the new F150 so we ended up ordering a new Tahoe.
I wanted the 6.2L L86 but it's not offered in the Tahoe chassis (yet)!
Same engine in the Silverado/Sierra, anyone have any issues with them or the SUV platform?