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

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1920 Chevrolet 490 Series
Roadster
Standard Specifications
  Show Summary  
Original Base Price
No. Produced
Body Maker
No. Doors 2
Passengers 2
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 Circulating splash
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
Spiral bevel
Differential Ratio 3.63 to 1
Front
Rear Semi-elliptic leaf springs
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 31 x 4
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.: 1/92475 to 1A/201604, 2/90422 to 2A/23673, 3/47101 to 3A/70100, 6/63685 to 6/51094, 7/25430 to 7/34121, 9/28154 to 9/40225.

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 29 1920Los Angeles Public Library
630 West Fifth Street
Los Angeles CA 90071
(213) 228-7000
www.lapl.org
Handbook of Automobiles 1920Detroit Public Library (Nat'l Auto. Hist. Collctn)
5201 Woodward
Detroit MI 48202
(313) 833-1456
www.detroit.lib.mi.us/nahc/index.htm
Motor January 1920Detroit Public Library (Nat'l Auto. Hist. Collctn)
Paint Type
Colors Black
Standard/Optional Equipment
Electric starterStd
Tire carrierStd
Electric hornStd
Complete tool kitStd
JackStd
Extra RimStd
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