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1929 Diana Straight 8 Series
Royal Roadster
Standard Specifications
  Show Summary  
Original Base Price $1,795.00
No. Produced
Body Maker
No. Doors 2
Passengers 5
Model Number
Weight 2,995lbs
Wheelbase 125 1/2 inches
Length
Width
Height
Front Tread
Rear Tread
Type Continental 12Z Straight 8, L-head
Displacement 240.2 cu. in.
Cylinders 8
Bore & Stroke 3 & 4 1/4 inches
Compression Ratio-Std 4.66 to 1
Compression Ratio-Opt
Brake Horsepower 72@2950
Rated Horsepower 28.8
Torque
Main Bearings 5
Valve Lifters
Block Material
Engine Numbers
Engine No. Location
Lubrication
Type
Make Stromberg
Type
Drive
No. Of Gears
Gear Ratios
1st
2nd
3rd
4th
5th
Reverse
Single plate
Clutch Size
Semifloating
Differential Ratio 5.10 to 1
Front Semi-elliptic leaf springs
Rear Semi-elliptic leaf springs
Cam & lever
Service External contracting on 4 wheels, hydraulic
Front Size
Rear Size
Emergency External on the transmission
Size
Exhaust System
Ignition System
Battery
Cooling System
Radiator
Fuel Type
Mileage
Wheel Type Artillery
Wheel Mfr
Wheel Size
Tire Type
Tire Size 32 x 6
Spare Location
Fuel
Oil 7 1/2 Quarts
Transmission 1 Quarts
Cooling System 18 Quarts
Rear Differential 1 Quarts
Front Differential Not applicable
Transfer Case Not applicable
Not Rated
VIN/Serial no.
VIN Description
VIN Location
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Additional Information

Automobile Trade Journal & Motor Age January 1929Horseless Carriage Foundation
8186 Center St. Suite F P.O. Box 4119
La Mesa CA 91944-4119
(619) 464-0301
www.hcfi.org
Paint Type
Colors Data not yet collected
Standard/Optional Equipment
Data not yet collectedStd
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