FAQ: Engine Specs
FAQ: Engine Specs
The first-generation 4.7L engine was released in 1999, followed by two updates, released in 2002 and 2008, respectively.
- Type 90 deg. V-8, 16 Valve
- Country of Origin: USA
- Hp, SAE Net: 235hp @4800 rpm
- Torque SAE net: 295 ft-lbs @3200 rpm
- Fuel Required: 87 octanes unleaded gasoline
- Bore x stroke: 3.66″ x 3.40″
- Compression Ratio: 9.5:1
- Weight (complete): 438 lb
- Valve Actuation: Chain driven overhead cams
- Block Material: Cast Iron
- Block Design: Removable bedplate
- Head Material: Cast Aluminum
- 64cc Combustion Chambers
- Intake valves 1.89″ / Exhausts valves 1.46
- Intake Manifold: Glass-filled nylon, single plenum, ram’s horn runners
- Fuel Supply: head-mounted multipoint injectors
- Crankshaft: Cast iron, cross-drilled, radiused, fully counterbalanced,
5 main bearings - Connecting Rods: Powdered metal, cracked caps
- Bore/Stroke ratio: 1.08
- Rod/Stroke Ratio: 1.80
BASE CAM SPECS:
- Duration advertised 244*/254*
- Valve lift I/E: 0.443″/0.429″
- Valve overlap: 18*
- Centerline: 115*
High Output “HO” CAMSHAFT SPECS:
- Duration advertised: 236*/250*
- Valve lift I/E: 0.472″/0.429″
- Valve overlap: 18*
- Centerline: 111*
- LSA: 112.5*, ICA: 115*, ECA: 110*
- IVO: 3*BTDC (seat to seat)
- IVC: 53*ABDC
- EVO: 55*BBDC
- EVC: 15*ATDC
2008-2013 CAMS
- 53021984AB and 53021983AB
- Intake 202°/.510”
- Exhaust 212°/.478”
- 114.5 Lobe Separation.
- Displacement (cc): 5654
- Bore (mm): 99.5
- Stroke (mm): 90.9
- Bore/Stroke Ratio: 1.09
- Compression Ratio: 9.6: 1
- Bore Spacing (mm): 113.3
- Bank Offset (mm): 22.4
- Block Length (mm): 532.0
- Block Deck Height (mm): 235.0
- Connecting Rod Length (mm): 158.5
- Piston Compression Height (mm): 31.0
- Rod Length/Crank Radius: 3.49
- Intake Valve Diameter: (mm): 50.8
- Exhaust Valve Diameter (mm): 39.4
- Included Valve Angle (deg.): 34.5
- Combustion Chamber Volume (cc): 84.9
- Intake Valve Lift (mm): 12.0
- Exhaust Valve Lift (mm): 11.7
- Mass (kg): 242
- Displacement: 226 cu. in. (3701 cu. cm)
- Bore x Stroke: 3.66 x 3.57 (93.0 x 90.8)
- Valve System: Chain-driven SOHC, 12 valves, hydraulic end-pivot roller rockers
- Fuel Injection: Sequential, multi-port, electronic, returnless
- Construction: Cast-iron block and bedplate, aluminum alloy heads, balance shaft. 90 degree V6.
- Compression Ratio: 9.7:1
- Power (estimated SAE net): 210 bhp (157 kW) @ 5200 rpm
- Torque (estimated SAE net): 235 lb.-ft. (319 N•m) @ 3600 rpm
- Max. Engine Speed: 6000 rpm (electronically limited)
- Fuel Requirement: Unleaded regular, 87 octane (R + M)/2
- Emission Controls: Dual three-way catalytic converters, heated oxygen sensors, and internal engine features
- EPA mpg (City/Hwy):
- – 2WD: 16/22 — manual trans., 17/22 — auto. trans.
- – 4WD: 16/20 — manual trans., 15/19 — auto. trans.
