Performance Specifications | |
Compression Ratio | 9.9 : 1 (2007-09), 9.6 : 1 (2010-14) |
Horsepower Rating | 302-315 hp. |
Torque Rating | 330-338 ft./lbs. |
Application Information | |||
VIN 8th Digit | Year | Make | Model |
3 | 2007-11 | Chevrolet | Avalanche |
Silverado 1500 | |||
GMC | Sierra 1500 | ||
Chevrolet | Suburban | ||
GMC | Yukon XL | ||
2009-10 | GMC | Yukon | |
2009-11 | Chevrolet | Tahoe | |
7 | 2012-13 | Chevrolet | Avalanche |
Silverado 1500 | |||
GMC | Sierra 1500 | ||
2012-14 | Chevrolet | Suburban | |
GMC | Yukon XL |
Engine Block Specifications | |
Casting Numbers | 12571048, 12601900, 12569513, 12568573 |
Material | 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 |
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 | Flat Top (2007-09), Flat Top with valve reliefs (2010-14) |
Piston Volume | 0cc (2007-09), 3cc (2010-14) |
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 | 12649190 |
Connecting Rod Casting Number (last three digits) | 143 |
Crankshaft Material | Cast Iron |
Crankshaft Part Number | 12588614 |
Crankshaft Casting Number (last three digits) | 216 |
Crankshaft Main Journal Dia. | 2.559 in. |
Crankshaft Rod Journal Dia. | 2.100 in. |
Reluctor Wheel | 58X |
Cylinder Head Specifications | |
Casting Numbers | 799, 243 |
Material | Aluminum |
Combustion Chamber Volume | 65cc |
Intake Port Shape | Cathedral |
Intake Runner Volume | 210cc |
Exhaust Port Shape | D-Port |
Exhaust Runner Volume | 75cc |
Intake Valve Dia. | 2.000 in. |
Exhaust Valve Dia. | 1.575 in. |
Cylinder Head Bolt Style | Torque to Yield (TTY) |
Cylinder Head Bolt Size | (10) M11 x 2 x 100, (5) M8 x 1.25 x 45 |
Camshaft Specifications | ||
Years | 2007-09 | 2010-14 |
Part Number | 12593207 | 12625436 |
Duration @ .050 in. (int./exh.) | 193°/193° | 196°/201° |
Valve Lift (int./exh.) | 0.482 in./0.482 in. | 0.481 in./0.481 in. |
Lobe Separation | 116°+2 | |
Cam Gear Attachment | 1-Bolt | |
Cam Gear Poles | 4X | |
Active Fuel Management (AFM) | Yes | |
Variable Valve Timing (VVT) | No | Yes |
Valvetrain Specifications | |
Lifter Style | Hydraulic Roller |
Lifter Link Style | Plastic Lifter Tray |
Lifter Body Dia. | 0.842 in. |
Pushrod Length | 7.385 in. |
Rocker Arm Mounting Style | Pedestal |
Rocker Arm Style | Die-Cast, Roller Fulcrum |
Rocker Ratio | 1.7 |
Rocker Offset | None |
Valve Spring Style | Beehive |
Valve Spring Color | Natural |
Valve Angle | 15 degrees |
Intake Valve Material | Steel, Solid Stem |
Intake Valve Dia. | 2.000 in. |
Exhaust Valve Material | Steel, Solid Stem |
Exhaust Valve Dia. | 1.575 in. |
Timing Chain Guide Style | Spring Loaded Tensioner |
Other Specifications | ||
Intake Manifold | Truck-Style | |
Throttle Body | 87mm, 4-bolt | |
Throttle Control | Electronic (Drive-by-Wire) | |
Fuel Injector P/N | 12594512 | 12613411 |
Fuel Injector Flow | 36 lb./hr. @ 58 psi | 37.3 lb./hr. @ 58 psi |
Flex Fuel Capable (E-85) | Yes | |
Fuel Injector Length (between O-rings) | 2.500 in. | 1.900 in. |
Fuel Injector Connector | EV6 / USCAR | |
Computer | E38 | |
Crankshaft Reluctor Ring | 58X | |
Camshaft Sensor Location | Timing Cover | |
Oil Pan | Varies by Application | |
Oil Pump | High Volume (1.25 c.i./rev.) |