Rocky Mountain
Model A Club
A Chapter Of
Model A Ford Club
Of America

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Model A Technical Data

MAFCA
MARC GIF

Index to SPECIFICATIONS for the Model A

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  • General Specifications

    GENERAL SPECIFICATIONS

    Parameter

     

     

    Comments

    Weight

    Approximate

    2320 Lbs

     

    Horsepower

    Dyno Test - Engine

    36 Hp @ 2250 RPM

    Brake Hp

    Transmission

    Manual Shift

    3 Speed - 1:1 Hi Gear

    Non-Synchro

    Differential

    Torque Tube type

    Axel Ratio  3.78:1

    Standard Ratio

    Steering

    Pitman/Tie Rod

    2 Tooth Worm/Sector

    1928 = 5 Tooth

    Suspension

    Traverse Spring

    Hydraulic Shocks

    Houdaille

    Brakes

    Internal Expanding

    Mechanical Operation

     

    ENGINE SPECIFICATIONS

    Compression

    Ratio

    4.22:1

    1928 = 4.3:1

    Block

     

    One Piece Cast Iron

     

    Pistons

     

    3 Ring Balanced

     

    Cooling

    Heat Excanger

    Thermo-Syphon

    Pump Aided

    Displacement

     

    200.5 Cu. In.

     

    Bore/Stroke

     

    3.876 x 4.250

     

    Carburetion

    Updraft

    Zenith 1” Throat

     

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  • Capacities

    System

     

    1928 - 1929

    1930 - 1931

    Fluid

    Cooling

    Radiator

    1.5 Gallons

    1.5 Gallons

    Water

    Engine & Hoses

    1.5 Gallons

    1.5 Gallons

    Water

    Total

    3.0 Gallons

    3.0 Gallons

    Water

    Fuel Tank

    Total

    10 Gallons

    11 Gallons

    Gasoline

    Engine Oil

    Engine Dry

    5 Qts

    5 Qts

    Motor Oil

    Engine Oil Change

    4 ½ Qts

    4 ½ Qts

    Motor Oil

    Transmission

     

    1 ½ Pints

    1 ½ Pints

    600W

    Differential

     

    2 ¼ Pints

    2 ¼ Pints

    600W

    Steering Gear

    7 Tooth   7 ¾ oz.

     

     

    600W

    2 Tooth   4 ½ oz.

     

     

    600W

    Electrical

    Battery

    80 AmpHour

    80 AmpHour

     

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    Model A Ford Capacities

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  • Bolt Torques

    Bolt Torques
  • Body Types & Weights

    Body Types and Weights
  • Motor Numbers by Year

    The Short Answer if you want to know which year the engine in your A was built

    Engine Number

    Year Built

    1 to 5275

    5276 to 810122

    810123 to 2742695

    2742696 to 4237500

    4237501 to 4830806

    1927

    1928

    1929

    1930

    1931

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    Number Detailed Information