The Gen V 5.3 Truck Norris grind is a popular choice for those looking to delete DOD/AFM on their L83/L86 engine, or to just add that aggressive idle everyone loves. With great power gains and OEM driving characteristics, this camshaft works well with stock converters. Specs: 21X/22X, .540"/.540", 111 LSA, 14% fuel lobe INTAKE LOBE LIFT @ TDC: 0.0474
Engine Family: GEN V LT (L83/L84)
Recommended Engine Size 5.3L
Recommended Valve Springs: BTR91120-16
Lifters Required: X12499225-16
VVT Limiter: BTR-VVT-(GENV)-4CAM or BTR-VVT-(GEN-VP)-4CAM
INTAKE DURATION @.050": 21X°
EXHAUST DURATION @.050": 22X°
LOBE LIFT INTAKE: 0.300"
LOBE LIFT EXHAUST: 0.300"
INTAKE LOBE LIFT @ T.D.C.: 0.0474"
ROCKER ARM RATIO: 1.8:1
NET LIFT INTAKE: 0.540"
NET LIFT EXHAUST: 0.540"
LOBE SEPARATION ANGLE: 111°
FUEL LOBE 14%
RPM Operating Range: 2000-6700
Idle Quality: Great rumble sound without sacrificing factory comforts
Chop Scale: 6/10
Expected Cam Swap Gains (P2P): 44 Horsepower, 25 lb/ft , extra 750 RPM of operating range
Torque Converter Characteristics: Works well with factory converters!
"Drivability": Mild-mannered daily feel, with a nice aggressive sound
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