My Cart
L83 5.3L
V8 "GEN V"
Vehicle Applications
- 2014+ Chevrolet Silverado
- 2015+ Chevrolet Tahoe
- 2015+ Chevrolet Suburban
- 2014+ GMC Sierra
- 2015+ GMC Yukon
- 2015+ GMC Yukon XL
Product
Highlights
- Gen V
Aluminum Cylinder BlocK
- Direct Fuel Injection
- Variable Valve TIming (VVT)
- Active Fuel Management (AFM)
- E85 Flex-Fuel Capability
- Advanced
Electronic Throttle Control
- 58X Ignition Systems
L83 Engine Specs (VIN "C")
The information listed here is for a stock engine.
| Performance Specifications |
|
| Compression Ratio |
11:1 |
| Horsepower Rating |
355-380 hp @ 5,600 rpm |
| Torque Rating |
383-416 ft.-lbs. @ 4,100 rpm |
**Horsepower and torque
ranges account for the difference between gasoline and E85 fuel.**
| Application Information |
|||
| VIN 8th Digit |
Year | Make | Model |
| C (L83) | 2014-Present | Chevrolet | Silverado |
| 2015-Present | Tahoe | ||
| Suburban | |||
| 2014-Present | GMC | Sierra | |
| 2015-Present | Yukon | ||
| Yukon XL | |||
| Engine Block Specifications |
|
| Part Number |
12620290 |
| Material | 319-T7 Aluminum |
| Displacement | 5.3L / 325 c.i.d. |
| Bore Dia. |
3.780 in. |
| Stroke | 3.622 in. |
| Deck Height |
9.240 in. |
| Bore Spacing |
4.400 in. |
| Thrust Bearing Location |
#3 Main, 1/2 thrust |
| Main Cap Style |
6-bolt |
| Main Housing Bore Dia. |
2.751 in. |
| Cam Housing Bore Dia. |
Bore 1/5 = 2.346 in. Bore 2/4 = 2.326 in. Bore 3 = 2.307 in. |
| Cam-to-Crank Centerline |
4.914 in. |
| Rotating Assembly Specifications |
|
| Piston Material |
Hypereutectic Cast Aluminum Alloy |
| Piston Style |
Domed (with reliefs for the exhaust valve and direct injector) |
| Piston Volume |
0cc (net) |
| Wrist Pin Dia. |
0.9431 in. (full floating) |
| Connecting Rod Material |
Powdered Metal |
| Connecting Rod Style |
I-beam |
| Connecting Rod Length |
6.098 in. |
| Connecting Rod Housing Bore |
2.225 in. |
| Connecting Rod Bolts |
M9 x 1 x 43 |
| Connecting Rod Part Number |
12607475 |
| Crankshaft Material |
Cast Iron |
| Crankshaft Part Number |
12619781 |
| Crankshaft Main Journal Dia. |
2.559 in. |
| Crankshaft Rod Journal Dia. |
2.100 in. |
| Reluctor Wheel |
58X |
| Harmonic Balancer |
Iron |
| Cylinder Head Specifications |
|
| Casting Number |
12620214 |
| Material | 319-T7 Aluminum |
| Combustion Chamber Volume |
57.6cc |
| Intake Port Shape |
Rectangle |
| Intake Runner Volume |
248cc |
| Exhaust Port Shape |
Flat Oval |
| Exhaust Runner Volume |
102cc |
| Cylinder Head Bolt Style |
Torque to Yield (TTY) |
| Cylinder Head Bolt Size |
(10) M12 x 1.75, M8 corner bolts |
| Camshaft Specifications |
||
| Part Number |
12619823 | |
| Duration @ .050 in. (int./exh.) |
-°/-° | |
| Valve Lift (int./exh.) |
0.- in./0.- in. |
|
| Lobe Separation |
-° | |
| Cam Gear Attachment |
1-bolt | |
| Cam Gear Poles |
4X | |
| Active Fuel Management (AFM) |
Yes | |
| Variable Valve Timing (VVT) |
Yes | |
| Valvetrain Specifications |
|
| Lifter Style |
Hydraulic Roller |
| Lifter Link Style |
Plastic Lifter Tray |
| Lifter Body Dia. |
0.842 in. |
| Pushrod Dimensions |
7.850 in. (long) x 0.342 in. (dia.) |
| Rocker Arm Mounting Style |
Pedestal |
| Rocker Arm Style |
Die-Cast, Roller Fulcrum |
| Rocker Ratio |
1.8 |
| Rocker Offset |
None |
| Valve Spring Style |
Beehive |
| Valve Spring Color |
Natural |
| Intake Valve Angle |
12.5° / Splayed 2.61° |
| Exhaust Valve Angle |
12.0° / Splayed 2.38° |
| Intake Valve Material |
Steel, Solid Stem |
| Intake Valve Dia. |
1.928 in. |
| Exhaust Valve Material |
Steel, Solid Stem |
| Exhaust Valve Dia. |
1.556 in. |
| Timing Chain Guide Style |
Spring Loaded Tensioner |
| Other Specifications |
||
| Intake Manifold |
Truck style |
|
| Throttle Body |
80mm, 4-bolt |
|
| Throttle Control |
Electronic (Drive-by-Wire) |
|
| Fuel Injector P/N |
12656932 | |
| Fuel Injector Flow |
- lbs./hr. (- max psi) |
|
| Flex Fuel Capable (E-85) |
Yes | |
| Computer | E92 | |
| Crankshaft Reluctor Ring |
58X | |
| Camshaft Sensor Location |
Timing Cover |
|
| Oil Pan |
Varies by Application |
|
| Oil Pump |
Variable Displacement |
|
L83 Harnesses
