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Built in 1967, towards the end of the production run - the Triumph TR4A was a variant of the earlier TR4 that had been introduced in 1961. The main differences are;the solid rear axle was replaced by Independent Rear Suspension (hence the IRS badge on the boot lid), a walnut veneer dash and the handbrake was moved to the top of the transmission tunnel, instead of in the footwell next to the driver's left leg.
The engine was the same 4 cylinder 2,138 cc engine as in the earlier Triumph TR2s and TR3s but with a revised head and exhaust, giving slightly more power. This is a slow revving engine with bucket loads of torque and an agricultural feel (not surprising as it was derived from a Massey Ferguson tractor engine). The gearbox has synchromesh on all four gears and is fitted with overdrive that works on 2nd, 3rd and 4th gears giving it an effective seven gears.
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