International Alliance of Morris Owners
International Alliance of Morris OwnersIAMO
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The Morris Major was not produced for the 1934 season and in its place the Cowley Six appeared-for a single season only. Following the design of the Cowley Four of 1934, the new model had a reinforced cruciform frame based on the Major dimensions of 8ft 10in. wheelbase and 4ft. 4in. track. Two body types were available, the Saloon (fixed head or sliding head option) and the Special Coupe.

 

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Cowley Six 1934 & Fifteen Six 1935

Engine

 
Cowley-Six
Fifteen-Six

Number of cylinders

6
6
Bore mm
63.5
63.5
Stroke mm
102
102
Capacity cc
1938
1938
Valves
side
side
RAC hp rating
15.0
15.0
CR
BHP (graphs)
at rpm
 
 
Valve timing
inlet opens
ATDC
ATDC
inlet closes
ABDC
ABDC
exhaust opens
BBDC
BBDC
exhaust closes
ATDC
ATDC
Coolant
water
water
Carburation
SU
SU

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Dimensions
 
Cowley-Six
Fifteen-Six
Wheelbase
8'10"
 
Track
44"
 
Length
13'4"
 
Width
5'5"
 
Weight
24cwt
 
Front suspension
half elliptic
half elliptic
Rear suspension
half elliptic
half elliptic
Axle ratio
5.22
 
Tyre size
5.00 x 19
 

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Performance
0 to 50 mph secs    
standing quarter secs    
Fuel consumption mpg
20
 
Maximum speed
60
 

 

Body styles
 
Doors
 
1934 Cowley-Six
1935 Fifteen-Six
Saloon sliding head
4
 X
Saloon fixed head
4
X
X
Special Coupe
2
X
X

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Chassis numbers
1934 Cowley-Six
1935 Fifteen-Six
Start
34/CS501
35/FS7721 
Finish
34/CS7720
35/FS15970 
Total
7219
8249

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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
Cowley Six-Cylinder
12/33
1110-12
Morris Programme for 1935
9/34
655-62
The Fifteen-Six
1/35
1020-1, 1030
The Autocar
1934 Cowley-Six Road Test
10/11/33
726, 928
1935 Fifteen-Six Road Test
23/11/34
977-8

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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