Austin A40 Sports - changes during production

The following changes were made to the Sports during production. Source: Austin Parts List PubNo. 1099

 

  • Body #501 on: Front seats changed
  • Body #559 on: Doors changed, rigid hood/convertible top compartment covers replaced by canvas type
  • Chassis 568605 on: new Silencer

 

Early Engine changes:

  •  to Engine 585090: Engine block "type 1":  same as GS.2/GS.3 saloon
  •  Engine 585091 to E. 650908:  Engine block "type 2": specially modified engine, with redesigned cylinder head incorporating enlarged inlet valves as used on later GS.4 Somerset and new valve springs. Also slightly higher dished type pistons were used instead of flat ones (s. Service Journals 22, p. 39)

Changes with intoduction of the GD3 model starting with Chassis 614776 on  (August 1951):

  •   Gearbox and gear change mechanism: column change introduced   
  •   Facia and instruments revided
  •   New type of steering wheel
  •   Control box: RF106/2 --> RF 95
  •   Mounting position of ignition coil
  •   Redesigned hood frame & hood
  •   Wing piping (stainless steel --> plastic)
  •   SU carburettor: to C. 614775: type 1 C. 614776 on: Type 2
  •   Bonnet & boot hinges (chrome -> painted car colour)
  •   Boot lid and boot lid handle

Shortly thereafter (!):

  •   to C. 625018/631628: Standard Wheels with 9'' front brake drums
  •   from C. 625019/631629 on: Slotted Wheels & 10'' front brake drums


Changes resulting from Somerset introduction Spring 1952:

  •   E. 650909 on: Engine block "type 3": Somerset type of engine
  •   Distributor to E. 650908: moving Distributor with suction unit 3H1804
  •   From E.650909 on: Distributor with in-built vacuum control mechanism  3H2168
  •   Oil filter to E. 650908:  3H1112. E. 650909 on:  3H2371