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TR3

Written by Adrian Diehm

The TR3 replaced the TR2 in October 1955. Over its lifetime it was uprated to TR3A (1957), the first British car to adopt front disc brakes. Its engine was rated at 100bhp at 5000rpm. A model designated as TR3B was built specifically for the US market.

TR 3

Year

1955 - 1957 (13377 units built )

Engine

OHV, 4 Cylinder

Capacity

1991 cc

Compression

 

Power

100 HP @ 5000 RPM (75 kW)

Torque

117 lb-ft @ 3000 RPM

Aspiration

Twin SU HS-6 Carb

Gearbox

4 speed manual with optional Laycock D-Normanville overdive on 2nd, 3rd and 4th.

Diff Ratio

3.7 : 1 or 4.1 : 1

Suspension

Front: Coil Spring / Wishbone /  Cam and Lever Steering

Rear : Live Rear Axle / Leaf spring / Lever shock absorber

Brakes

Front: (1955 - 1956) 10 x 2 1/4  inch Drum

Front: (1956 - 1957) Disks 

Rear: 10 x 2 1/4 inch Drum

Performance

0-60              12.0 seconds

400 meters   18.6 seconds

Max speed      105 MPH (169 KPH)

Fuel Econ        28.9 MPG