New Arrival at The Forge: 1972 Triumph GT6 MK3

We are thrilled to announce the arrival of a charming 1972 Triumph GT6 MK3 at The Forge. Despite needing minor cosmetic touch-ups, this car has received key investments that make it one of the best GT6s we've driven in recent times.

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This car comes from a local Triumph Classic Car enthusiast who began its restoration in February 2019. Over two years were dedicated to removing corrosion, proper plating, and leading, followed by a respray It is claimed that there is no filler or fiberglass in the car—it's all solid chassis and shell.

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Upon its return to the owner, extensive refurbishments were carried out, including:

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• Rebuilding the differential, overdrive gearbox, and entire brake system.

• Rebuilding the engine with new pistons (.050" oversize), rings, shells, seals, and gaskets.

• Installing a 2.5 L Mk1 Pi cross-drilled crankshaft (.20" oversize) and Mk1 Pi camshaft.

• Totally refurbishing the Mk1 Pi cylinder head to run on E10 fuel, performed by Telford Head Technics.

• Porting and flowing the inlet manifold, and fitting HS6 SU carbs jetted for the 2.5 motor.

• Adding a new water pump.

• Installing a new standard GT6 clutch and flywheel, along with a modified spigot bush.

• Rebuilding the gearbox with Timken bearings and an oversized input shaft bearing, and testing the overdrive unit.

• Fitting a new prop shaft and a 3.27:1 ratio differential rebuilt with Timken bearings by Tony Lindsay Dean.

• Replacing Rotaflex units and adding a stainless steel back box.

• Installing new rear brakes, brake hoses, and pipes throughout.

• Adding new front brake discs and pads.

• Replacing the roof lining and carpets.

• Installing new headlights and fitting new P4 x 5 tyres.

• Sourcing original Dunlop 5.5j steel rims, thet were sold as an optional extra at Triumph dealerships in period.

 

Since its recommissioning, the car has completed around 7,000 miles without any issues. It is well-known among Triumph club members locally in Shropshire.

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Although the owner attempted to obtain a heritage certificate, it was not possible because this car was initially intended for export before being reassembled. According to its commission plate, it was number six from the end of production before the factory closed. Little is known about the prior history of the car. 

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The car no longer retains its factory specifications due to the engine upgrade to 2.5 liters and the faster road differential with a 3.27:1 ratio. However, these enhancements have made it a much more enjoyable car to drive compared to the original.

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The car has been MOTd until July 2025.

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Work planned to be carried out in the coming weeks include, Fresh service and checkover, New upper dashboard to be iinstalled, New drivers and passenger door cards to be installed, Paint correction, Tail gate trim kit installation, Treadplate iinstallation and a full detail including engine bay. Photographs attached have been taken prior to anywork being carried out since delivery.

 

The Triumph GT6, born from the iconic Spitfire, evolved into a GT variant with the powerful 1,998 cc straight-six engine from the Vitesse. With continuous upgrades culminating in the MKIII model, it emerged as a formidable competitor to the likes of the MGB. Boasting 98bhp, a swift acceleration to 60mph in 10 seconds, and a top speed of 110mph, the GT6 offers a thrilling driving experience matched with impeccable engineering. With its rich heritage and exceptional performance, the GT6 remains a timeless classic cherished by enthusiasts worldwide.

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Viewing is strictly by appointment only.

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We make every effort to ensure that the details above are as accurate as possible. We cannot, however, accept liability arrising from any errors in the data provided. Please make sure that you examine the vehicle and check the accuracy of the information before purchasing any vehicle.