1971 Chevrolet Impala Custom Coupe
The 1971 Impala Custom Coupe was part of Chevrolet's Muscle Car-era lineup. Base price $3484. 427,700 produced.
164471T170512
Coupe
Body
Tarrytown, NY
Plant
Muscle Car Era
Era
No factory image on file
1971 Chevrolet Impala Custom
VIN Breakdown
| Position | Value | Decoded |
|---|---|---|
| Division Code | 1 | Chevrolet |
| Model Code | 6447 | Impala Custom |
| Year Code | 1 | 1971 |
| Plant Code | T | Tarrytown, NY |
| Serial Number | 170512 | Unit #170512 |
Basic Information
MakeChevrolet
ModelImpala Custom
Year1971
Body StyleCoupe
ManufacturerGeneral Motors Corporation
EraMuscle Car Era
Available Engine Options
Engine options inferred from model and year. Specific engine not encoded in VIN.
Engine
250 cu.in. I6
Horsepower145 HP @ 4200 RPM HP
Displacement250 cu.in. CID
Carburetor1-barrel
Compression8.5:1
Engine
350 cu.in. V8
Horsepower245 HP @ 4800 RPM HP
Displacement350 cu.in. CID
Carburetor2-barrel
Compression8.5:1
Engine
400 cu.in. V8
Horsepower255 HP @ 4400 RPM HP
Displacement400 cu.in. CID
Carburetor2-barrel
Compression8.5:1
Engine
402 cu.in. V8
Horsepower300 HP @ 4800 RPM HP
Displacement402 cu.in. CID
Carburetor4-barrel
Compression8.5:1
Engine
454 cu.in. V8
Horsepower365 HP @ 4800 RPM HP
Displacement454 cu.in. CID
Carburetor4-barrel
Compression8.5:1
About This Decode
This VIN does not encode the engine, so the engine details shown are representative of the model as built and not VIN-confirmed. (Most pre-1972 GM VINs do not carry an engine code.)
Specifications
Engine
CarburetorRochester
Displacement350
Horsepower245@4800
Cylinders8
Compression8.5
Bands4 & 3.48
Torque165@4000
Rated HP51.2
Valve LiftersHydraulic
Dimensions
Production427700
Weight3862
Width79.5
Wheelbase121.5
Front Tread63.8
Length216.4
Rear Tread63.7
Height53.6
Drivetrain
AxleSemifloating
Rear Axle Ratio3.75
Transmission3
Clutch TypeSingle plate dry disc
Differential Ratio3.08
DifferentialHypoid
Steering GearRecirculating ball
2nd Gear Ratio1.68
Gears3
DriveRear wheel drive
1st Gear Ratio2.85
3rd Gear Ratio1
Reverse Ratio2.95
Suspension
Rear SuspensionCoil link
Front SuspensionIndependent ball joint with coil springs
Tire SizeG78 x 15
Brakes
Brake Drum Size11
Service BrakesPower front disc rear self-adjusting drum
Parking BrakeRear service brakes
Fuel & Electrical
Fuel Capacity25
Oil Capacity4
LubricationPressure to all bearings excluding wrist pin
IgnitionDistributor and coil
ExhaustSingle
CoolingCentrifugal water pump, 11 Quarts
RadiatorTube and center
Fuel TypeRegular
Battery12
Equipment
EquipmentFront disc rear drum brakes, 454 cu. in. V8 engine, Speed control device, Power seats, Power steering, Power windows, Air conditioning, 400 cu. in. V8 engine, Radio
Colors
Exterior ColorsAll colors may not be available in all models., Antique Green Metallic, Antique White, Ascot Blue Metallic, Brands Hatch Green, Bridgehampton Blue, Burnt Orange Metallic, Champagne Gold Metallic, Classic Copper Metallic, Classic White, Command Blue Metallic, Cottonwood Green Metallic, Cranberry Red, Lime Green Metallic, Mediterranean Blue, Mesa Sand, Mille Miglia Red, Mulsanne Blue Metallic, Nevada Silver Metallic, Ontario Orange, Placer Gold Metallic, Rosewood Metallic, Sandalwood, Sea Aqua Metallic, Silver Steel Metallic, Steel Cities Gray, Sunflower Yellow, Tuxedo Black, Two Tone Colors Available, War Bonnet Yellow
Pricing
MSRP$3484.00
Other
Fbsize11 55/64
Body
Seating5
Doors2
Specifications are for this model from period Chevrolet data. Chevrolet VINs do not encode the engine, so figures are representative of the model as built; see the separate engine-options panel for all available engines.