International Alliance of Morris Owners
International Alliance of Morris OwnersIAMO
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MORRIS COWLEY-FOUR & TWELVE-FOUR 1935
By the late 1934 there was a move away from named models to a numerical reference. The "Oxford" and the "Isis" were the last to go and by mid 1935 (when the "Series" models were introduced) all Morris models were known by their horsepower ratings. The Twelve Four of 1935 can be considered a Cowley with a rationalized designation continuing as it did, the chassis serial numbers of the previous season's Morris Cowley. The Twelve-Four in its pre-Series perpendicular design had an extremely short production period between September 1934 and May 1935. Only a saloon model was available and this could be had in sliding-head or fixed-head form. With the notable exception of the front, which now had the lamp bar passing through the radiator casing, the Twelve-Four saloon was identical in appearance to the previous season's Cowley. There were less obvious changes such as the modified arm rests on the rear seats which formed a wrist supporting curve instead of dropping away vertically and the ventilating windows were arranged to operate at the top of the window winder travel. The accelerator pedal had moved over to the right hand side while at the rear of the car the bumper now had a centre section which swung away when the luggage carrier was in use.

 

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Engine

 
Twelve

Number of cylinders

4
Bore mm
69.5
Stroke mm
102
Capacity cc
1548
Valves
side
RAC hp rating
11.98
CR  
BHP (graphs)  
at rpm
 
Valve timing
inlet opens
ATDC
inlet closes
ABDC
exhaust opens
BBDC
exhaust closes
ATDC
Coolant
water
Carburation
SU

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Dimensions
 
Wheelbase  
Track  
Length  
Width  
Weight  
Front suspension
half elliptic
Rear suspension
half elliptic
Axle ratio  
Tyre size
 

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Performance
0 to 50 mph secs  
standing quarter secs  
Fuel consumption mpg
 
Maximum speed
 

 

Body styles
 
Doors
Cowley-Four 
Twelve-Four
Saloon sliding head
4
  X
X
Saloon fixed head
4
X
X

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Chassis numbers
Cowley-Four
Twelve-Four
Start
34/C501
 35/TW7721
Finish
34/C7120
35/TW15970 
Total
6619
8249
Twelve-Four numbers shared with Fifteen-Six

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Books and articles (available on the web)

 

Other sources
The Morris Owner
Issue
page
Morris Programme for 1934 9/33 819-26
Morris Programme for 1935 9/34 655-62
The Practical Motorist
   
Twelve-Four Road Test 13/4/35 787-9

If anyone has copies of there articles please contact the webmaster so that they can be included on this site for reference.

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Please send a picture of your car for inclusion

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