Triumph Sports Owners Association
Queensland Inc.

  TR4 A  
 

tr4The main difference betwen the TR4 and TR4A was the inclusion of Indipendant Rear Suspension (IRS). The IRS design used in the TR4A was the basis for the IRS used in TR5, TR6, Sedans and Stag

TR 4 A  (28465 units built from 1965 to 1967)

Engine

OHV, 4 Cylinder

Capacity

2138 cc

Compression

9.0:1

Power

104 HP @ 4700 RPM (78 kW)

Torque

132 lb-ft @ 3000 RPM

Aspiration

Twin SU

Gearbox

4 speed manual with overdive on 2nd,3rd and 4th.

Diff Ratio

Manual 3.70:1

Suspension

Front: Coil Spring / Wishbone / Rack & Pinion Steering 

Rear : Semi-Trailing Arm/Coil Spring (IRS)

Brakes

Front: 11 inch Disc

Rear: 9 x 1 3/4 inch Drum

Performance

 0-60            11.2 seconds

400 meters  17.8 seconds

Max Speed    104 MPH (167 KPH)
tr4a-01
  
 

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News Flash

TSOA Nationals 2013

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The TSOA of each state take turns to host a National Event. The 2012 National Event was hosted by TSOA Victoria. The 2013 TSOA National Event will be hosted by TSOA Queensland. Thanks to TSOA Victoria for an excellent week of events and we all look forward to the next National event.

4th to 12 th October 2013

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TTT Days

Competition starved members be aware that that Sup.Regs and Entry Forms are now available for the TTT Days on the MG and Historic Racing websites.See you there.