International Alliance of Morris Owners
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OXFORD AND COWLEY 4-CYLINDER MODELS 1927-31
 

The familiar 'D fronted' or Bullnose radiator gave way to the flat-fronted radiator with the appearance of the 1927 season cars (now generally referred to by old car enthusiasts as 'Flatnose').

With the new radiator came a redesigned chassis with an upswept rear end to accommodate the under-slung semi-elliptic springs.

The same basic 'Hotchkiss type' of engine continued on from the Bullnose of previous years in 11.9 h.p. And 13.9 h.p. forms as applicable. Wheels of the artillery type differed in size and design, the Cowley had three stud wheels while the Oxford had five stud fixings.

Oxford bodies with a taller radiator than the Cowley, had a styling line which ran the whole length of the car body starting at the bonnet. Boxed type mudguards were fitted until 1929 season when a pressed rounded design was introduced. No 4-cylinder Oxford cars were made after the end of the 1929 season although a small number of remaining stocks were sold as 1930 models.

 

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Cowley 1927 - 31

Engine

   

Number of cylinders

4
Bore mm
69.5
Stroke mm
102
Capacity cc
1550
Valves
side
RAC hp rating
11.9
CR
BHP (graphs)
27
at rpm
3400
Valve timing
inlet opens
ATDC
inlet closes
ABDC
exhaust opens
BBDC
exhaust closes
ATDC
Coolant
water
Carburation
Smiths

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Dimensions
   
Wheelbase
8' 6"
Track
4' 8
Length
12' 6"
Width
410"
Weight
17 cwt
Front suspension
half elliptic
Rear suspension
half elliptic
Axle ratio
4.75
Tyre size
27 x 4.40

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Performance
0 to 50 mph secs  
standing quarter secs
32.3
Fuel consumption mpg
31 
Maximum speed
 47

 

Body styles
 
Doors
1927 
1928 1929 1930 1931
Two seater
2
X
X
X
X
X
Four-seater tourer
2&4
X
X
X
X
X
Coupe
2
X
X
X
X
X
Saloon
4
X
X
X
X
X
Commercial traveller's car
2
X
X
X
X
X
Van
2
X
X
X
X
X

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Chassis numbers
1927
1928
1929
1930
1931
Start cars and vans
156501
215001
268431
313897
 341407
End cars and vans
215000
268430
313896
341406
358192 
Total
58499
53829
45465
27509
16785

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Books and articles (available on the web)

 

Other sources
The Morris Owner
Issue
page
Morris Programme for 1927
9/26
906-911
Morris Programme for 1928
9/27
908-911
Morris Programme for 1929
9/28
Supplement
Morris Programme for 1930
9/29
840-5
Cowley Traveller's saloon
2/30
1514
Morris Light Van
7/30
616
Morris Programme for 1931
9/30
847-851
The Commercial Motor
Morris Light Van
2/9/30
75
The Autocar
Morris Programme for 1927
3/9/26
371-3
Cowley saloon Road Test
20/5/27
851-3
Cowley four-door Tourer
4/2/27
195
Morris Programme for 1928
2/9/27
437-9
Cowley saloon Road Test
1/3/29
423-4
Morris Programme for 1929
7/9/28
499-500
Morris Programme for 1930
30/8/29
401-9
Morris Programme for 1931
5/9/30
445-8
The Motor
Cowley saloon Road Test
21/12/26
1021-2

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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