Here is a complete scan of the Model A Owners Manual. Click on any image to enlarge.

Write a comment

A pretty complete list of body styles. Click any image to enlarge it. Special thanks to DeuceGuy for allowing us to use his images. Please check his site for updates and larger versions of the images.

AA Information:

*If you have more information you would like to share please comment it below or email me.*

2 Comments to “Bodies”

1. dale — May 28, 2008 @ 10:59 pm
   

   how long is an a model ford tudour body from the cowl to the back of the body can you send me the length please

   [Reply]

   miles reply on May 29th, 2008:

   The length for a 28/29 is 93 1/4″. For a 30/31 it is 92 5/8″.

   [Reply]

Write a comment

Turning radius: 17 ft

Links:

• Installing Seat Belts

*If you have more information you would like to share please comment it below or email me.*

Write a comment

Battery:

• Voltage: 6 Volt
• Ground: Positive
• Capacity: 80 Ampere Hours, Starting Capacity 98 Amps
• Number of Cells: 3
• Number of Plates: 13 Per Cell
• Charging Rate: 10-12 Amps

*If you have more information you would like to share please comment it below or email me.*

Write a comment

Type: Three Quarter Floating

Material: Special Ford Carbon Manganese Steel

Gear Ratios:

• 3.78:1
• 3.70:1 (early 28's)
• 3.54:1
• 4.11:1

Bearings:

• Rear Wheel:
• O.D. of Axle Housing Race - 2.061" to 2.0635"
• I.D. of Wheel Hub 3.188" to 3.190" - Max Wear 3.185"
• Pinion Bearing:
• Timken 28156 (2 each) - Double Taper Roller Type
• Bearing Cup: Timken 28317

Ring Gear:

• 8.4" Pitch Diameter
• 1 3/16" Wide Teeth

Axle Shaft:

• 1 1/8" Diameter
• 1.128"-1.130" at Wheel Bearing

Dimension From Housing Flange to bearing Shoulder in Axle Housing:

• Before 1929: 1.370" to 1.372"
• After: 1.365" to 1.367"

Axle and Drive Shaft Seal: CR 10926

Rear Axle Seal: CR 20112, Victor 49024

Differential Lube: 600W to 160W

Differential Oil Capacity: 2 1/4 Pint

Torque:

• Axle Nut Torque: 100 ft/lbs

*If you have more information you would like to share please comment it below or email me.*

Write a comment

Material: Chrome Alloy Forging

Tensile Strength: 125,000 - 145,000 PSI

Caster: 5° (Forward Tilt)

Toe-In: 1/16" ± 1/32"

Camber: 1 13/16"

Nuts:

• Front Spring Perch Nut (castle nut with rounded bottom): 5/8"-18 (need 2)
• Front Axle Castle Nut (for Securing wheel to front spindle): 3/4"-16 (need 2)
• Spindle Arm Nut: 9/16"-1 (need 2)

Bolts:

• Tie Rod End Bolts: Two 3/8"-24 by 1 5/16" long
• Spindle Bolt (King Pin):
• Diameter: .8125" ± .0005"
• Length: 5 5/16"

Bearings:

• Spindle Bolt: Timken T83, Nice 5699
• Bolt to Bearing Clearance: .001"-.002"
• Front Wheel:
• Inner Bearing: Timken 15118; Cup: Timken 15250
• Outer Bearing: Timken 09074; Cup: Timken 09196

*If you have more information you would like to share please comment it below or email me.*

Write a comment

Capacity: 3 GAL

Water Pump

• Shaft: 5/8" Diameter
• End Play: .006"-.010"

Fan:

• Belt Width: 5/8"
• Blade Length: 16"
• Cooling Surface: 374 Square In.
• Speed 1.2 Times Engine RPM
• 855 cfm at 1000 rpm (about 24 mph)

Radiator Hose:

• Upper:
• 2" Diameter
• 6 1/4" Long (28/29)
• 8" Long (30/31)
• Lower (Two Pieces):
• 1 3/4" Diameter
• 2 3/4" Long

Radiator

• Radiator Capacity: 1 1/2 Gal.
• Radiator Flow Rate: 38 GPM

Miscellaneous:

• To check for a clogged radiator:

1. 1. Disconnect radiator hoses.
   2. Plug bottom hole on radiator.
   3. Fill with water.
   4. If it doesn't hold close to 1 1/2 Gal. it is plugged up.

*If you have more information you would like to share please comment it below or email me.*

Write a comment

Gear Ratios:

• 8.75:1 (Low)
• 6.9:1 (Middle)
• 1:1 (High)

Oil Capacity: 1 1/2 Pints

Clutch:

• Pressure Plate Weight: 15 lbs
• Clutch Disk Weight: 2 1/2 lbs
• Clutch Pressure: 1100 lbs
• Foot Pedal Pressure: 30 lbs
• Clutch Diameter: 9"
• Clutch Thickness: 9/64"
• Clutch Pedal Free Play: 1"

Click Image to Enlarge

*If you have more information you would like to share please comment it below or email me.*

Write a comment

Nut Sizes:

• Front Motor Mount Castle Nut (Brass): 7/16"-20
• Engine Head Nuts (grade 8): 7/16"-20
• Connecting Rod Castle Nut: 7/16"-20
• Ratchet Nut (attaches bottom pulley to crankshaft): 5/8"-18
• Main Bearing Bolt Castle Nut: 1/2"-20

Torque Settings:

• High Compression Head: 65 lbs
• Standard Head: 55 lbs
• Main Bearing Cap Torque 80-100 lbs
• Flywheel Bolt Torque 65 ft/lbs

Stud Sizes:

• Regular Head Studs: 3 1/2" Long
• Water Neck Studs: 5 3/4" Long

Bolt Sizes:

• Flywheel to Crankshaft Bolts: Four 7/16-20 by 13/16" Long
• Flywheel Housing to Block: Four 7/16"-14 by 1 1/16" Long and two 7/16-14 by 1 11/16" Long
• Timing Cover Bolts: 3/8"-16 by 1 1/8" Long
• Side Timing Gear Bolts:One 7/16"-14 by 2 3/16" Long and one 7/16"-14 by 1 3/8" Long (lock washers can be used)

Specifications:

• The stock compression ratio was about 4.22:1
• Piston displacement 200.5 cu. Inches
• Bore 3.875"
• Rated H.P. 24.03 SAE
• Brake H.P. 40
• Firing Order 1-2-4-3
• Stroke 4.250"
• Gas Tank
  • 28/29-- 10 GAL.
  • 30/31-- 11 GAL.

Valves:

• Valve lift .287"
• Seat Angle: 45°
• Stem Diameter: .311"
• Port Diameter: 1 3/8"
• Valve Opening Diameter: 1 3/8"
• Valve Guide Clearance:
  • Exhaust: .002"
  • Intake: .001-.0015
• Valve Spring Length:
  • Free: 2 15/16"
  • Compressed Length: 2 1/4"
• Valve Spring Force (compressed): 57-64 lbs.
• Valve Timing:
  • Intake
    • Opens 7 1/2° before TDC (top dead center)
    • Closes 48 1/2° after BDC (bottom dead center)
  • Exhaust
    • Opens 51 1/2° before BDC
    • Closes 4 1/2° after TDC

Flywheel:

• Weight: 63 lbs., 4 oz.
• Balance: Within .15 In/oz.
• Clutch Mounting Surface: True with crankshaft within .005" TIR.
• Clutch Mounting Shoulder Diameter: Concentric with crank flange diameter within .005" TIR.

Carburetor:

• Throat Size: 1"
• Float Level: 1" from float to machined surface.
• Main Jet: #63 drill bit
• Cap Jet: #63 drill bit
• Idle Jet: # 75 drill bit

Click Image to Enlarge

Click Image to Enlarge

Click Image to Enlarge

Exhaust System:

• Exhaust Pipe: 2" ID (Inside Diameter)
• Tail Pipe: 1-5/8" ID

Miscellaneous:

• To remove a stuck head from a "firing" engine you can loosen the head nuts about 1/8" from the head and start the motor the compression will pop the head up and the motor will stall.
• Crankshaft weight 28 lbs.
• Engine Oil Capacity (From Empty): 5 Quarts

• • Oil Change: 41/2 Quarts

• Spark Plugs: Champion 3X, 7/8"-18
• Spark Gap: .035"

*If you have more information you would like to share please comment it below or email me.*

Write a comment

Here is a list of measurements and other information about the Model "A" Ford:

Engine
Transmission
Cooling System
Electrical
Front Axle
Rear End
Bodies
Miscellaneous
Model A Owners Manual

*Still in the process of adding more so check back soon!*

*If you have more information you would like to share please comment it below or email me.*

4 Comments to “Model A Ford Reference Sheet”

1. Randy — May 8, 2008 @ 3:05 pm
   

   I will be surfing this for info..and if you need the measurements for thet 28 Tudor wood I have my top off at this moment and could measure what ever you need..let me know

   [Reply]

2. Pete Holmes — March 24, 2008 @ 8:32 pm
   

   Great sight. It has provided me a lot if information. Thank You!
   I am looking for top wood specifications for a 1928 tudor. I have the equipment to make them but can not find any measurements and mine are missing so I can not copy them. If you can steer me in the right direction I would appreciate it Thanks.

   [Reply]

   miles reply on March 25th, 2008:

   I don’t have them on hand, but I have a friend who says he has a book with the specifications. So I will get back to you tomorrow. In the mean time you may want to look at http://www.jalopyjournal.com/forum/ or http://www.mafca.com/

   Glad to hear you like the site.

   Thanks,
   Miles

   [Reply]

   miles reply on April 1st, 2008:

   My friend can’t locate his book at the moment but he said he was going to look for it and post the dimensions as soon as he finds it. I think if you post your question in the Jalopy Journal you may have better luck. You could also locate your local chapter of the Model A Ford Club Of America. There may be a member with a tudor you could measure.

   Hope this helps,
   Miles

   [Reply]

Write a comment

Welcome to Motor Mayhem. We are a growing community dedicated to spreading the word of do it yourself (DIY) projects. Here you can find information on projects your are interested in constructing or shoot the breeze with others. If you would like to become a supporting member of this ever growing community click here.

Motor Mayhem is a friendly website for the sharing of blueprints/designs and discussing vehicles and other unique items. We are dedicated to spreading the word of DIY projects that range in difficulty.This site was created and is maintained by miles.