Specifications, Part & Services, Museums & Clubs for Antique, Classic, Vintage and Muscle Cars

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1921 Chevrolet 490 Series
Sedan
Standard Specifications
  Show Summary  
Original Base Price $1,375.00
No. Produced
Body Maker
No. Doors
Passengers
Model Number
Weight
Wheelbase 102 inches
Length
Width
Height
Front Tread 56 inches
Rear Tread 56 inches
Type Own Vertical, Valve-in-head
Displacement 171 cu. in.
Cylinders 4
Bore & Stroke 3 11/16 & 4 inches
Compression Ratio-Std
Compression Ratio-Opt
Brake Horsepower
Rated Horsepower 21.7
Torque
Main Bearings 3
Valve Lifters
Block Material
Engine Numbers
Engine No. Location
Lubrication Splash with pressure
Type
Make Zenith
Type Selective sliding gear
Drive
No. Of Gears 3
Gear Ratios
1st Unknown
2nd Unknown
3rd Unknown
4th Not applicable
5th Not applicable
Reverse Unknown
Cone
Clutch Size
3/4 floating
Bevel
Differential Ratio
Front
Rear Cantilever
Spur and gear
Service External contracting on rear wheels
Front Size Not applicable inches
Rear Size
Emergency Internal expanding on rear wheels
Size
Exhaust System
Ignition System Single
Battery 6 volt storage battery
Cooling System Water pump
Radiator Cellular
Fuel Type
Mileage
Wheel Type Wood
Wheel Mfr
Wheel Size
Tire Type
Tire Size 30 x 3 1/2
Spare Location
Fuel
Oil
Transmission
Cooling System
Rear Differential
Front Differential Not applicable
Transfer Case Not applicable
Not Rated
VIN/Serial no. See Additional Information
VIN Description
VIN Location On plate under instrument board on dash.
General VIN Decoder

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Additional Information
Serial Nos.: 1A/20161 to 1A/599384, 2A/23674 to 2A/55239, 3/70101 to 3A/53241, 6/3198 to 6A/54958, 9/40266 to 9A/4748.

Serial No. Book for US Cars 1900-1975 G. BrighamHorseless Carriage Foundation
8186 Center St. Suite F P.O. Box 4119
La Mesa CA 91944-4119
(619) 464-0301
www.hcfi.org
Motor Age January 27 1921Los Angeles Public Library
630 West Fifth Street
Los Angeles CA 90071
(213) 228-7000
www.lapl.org
Handbook of Automobiles 1921Detroit Public Library (Nat'l Auto. Hist. Collctn)
5201 Woodward
Detroit MI 48202
(313) 833-1456
www.detroit.lib.mi.us/nahc/index.htm
Paint Type
Colors Black
Standard/Optional Equipment
Side curtainsStd
Dome light for Closed CarsStd
WindshieldStd
Tire carrierStd
SpeedometerStd
Electric hornStd
Complete tool kitStd
JackStd
Demountable RimsStd
See Additional InformationStd
AmmeterStd
Tire PumpStd
Extra RimStd
License SupportStd
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