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

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1921 Holmes Series 4
Coupe or Cabriolet
Standard Specifications
  Show Details  
Original Base Price $4,250.00
No. Produced
Body Maker
No. Doors
Passengers
Model Number
Weight
Wheelbase 126 inches
Length
Width
Height
Front Tread 56 inches
Rear Tread 56 inches
  +  
Type Own, Valve-in-head
Displacement 245.3 cu. in.
Cylinders 6
Bore & Stroke 3 1/2 & 4 1/4 inches
Compression Ratio-Std
Compression Ratio-Opt
Brake Horsepower
Rated Horsepower 29.4
Torque
Type
Make Stromberg
  +  
Type Selective sliding gear
Drive
No. Of Gears 3
Multiple disk - dry plate
Clutch Size
Semifloating
Spiral bevel
Differential Ratio 4.9 to 1
Front
Rear Full elliptic leaf springs
Worm & gear
Service External contracting on rear wheels
Front Size Not applicable inches
Rear Size
Emergency Internal expanding on rear wheels
Size
  +  
  +  
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Not Rated
VIN/Serial no.
VIN Description
VIN Location On right side rear end of frame.
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