2003 Chevrolet Silverado 1500 Ext Cab 157.5" WB LS Performance Specs

Engine Details
Displacement 5.3L/325
SAE Net Horsepower @ RPM 285 @ 5200
Engine Type Gas V8
Engine Order Code LM7
Fuel System SFI
SAE Net Torque @ RPM 325 @ 4000
Engine Oil Cooler NA
Transmission Details
Reverse Ratio (:1) 2.29
Second Gear Ratio (:1) 1.63
Trans Description Cont. Again NA
Fourth Gear Ratio (:1) 0.70
Trans Order Code M30
Transfer Case Gear Ratio (:1), Low NA
Transfer Case Power Take Off NA
Transfer Case Model NA
Trans Type 4
Third Gear Ratio (:1) 1.00
Drivetrain Rear Wheel Drive
Trans Description Cont. Automatic w/OD
Trans PTO Access NA
Seventh Gear Ratio (:1) NA
Transfer Case Gear Ratio (:1), High NA
Sixth Gear Ratio (:1) NA
First Gear Ratio (:1) 3.06
Fifth Gear Ratio (:1) NA
Trans Power Take Off NA
Clutch Size (in) NA
Brakes Details
Brake ABS System Four-Wheel
Brake ABS System (Second Line) NA
Drum - Rear (Yes or ) NA
Rear Drum Diam x Width (in) NA
Front Brake Rotor Diam x Thickness (in) 12.0 x 1.14
Disc - Front (Yes or ) Yes
Disc - Rear (Yes or ) Yes
Brake Type Pwr
Rear Brake Rotor Diam x Thickness (in) 12.8 x 0.78
Steering Details
Steering Type Pwr Rack & Pinion
Turning Diameter - Curb to Curb (ft) 50.4
Steering Ratio (:1), On Center NA
Steering Ratio (:1), At Lock NA
Turning Diameter - Wall to Wall (ft) NA
Tires Details
Spare Tire Size P235/75R16
Revolutions/Mile @ 45 mph - Front NA
Revolutions/Mile @ 45 mph - Spare NA
Rear Tire Size P235/75R16
Front Tire Size P235/75R16
Rear Tire Order Code QNF
Spare Tire Capacity (lbs) 1903
Front Tire Order Code QNF
Revolutions/Mile @ 45 mph - Rear NA
Rear Tire Capacity (lbs) 1903
Front Tire Capacity (lbs) 1903
Spare Tire Order Code QNF
Wheels Details
Rear Wheel Material Chrome
Front Wheel Material Chrome
Spare Wheel Material Steel
Front Wheel Size (in) 16 x 6.5
Spare Wheel Size (in) 16 x 6.5
Rear Wheel Size (in) 16 x 6.5
Suspension Details
Axle Type - Rear Semi-Floating
Axle Type - Front Indepdent
Suspension Type - Rear 2-Stage Multi-Leaf
Shock Absorber Diameter - Rear (mm) 32
Spring Capacity - Rear (lbs) 3686
Shock Absorber Diameter - Front (mm) 32
Axle Ratio (:1) - Rear 3.42
Axle Capacity - Front (lbs) 3600
Axle Ratio (:1) - Front NA
Stabilizer Bar Diameter - Rear (in) NA
Axle Capacity - Rear (lbs) 3750
Suspension Type - Front Coil Spring
Spring Capacity - Front (lbs) 4416
Stabilizer Bar Diameter - Front (in) 1.42

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