HIGHLIGHTS
- 3.9-litre V8 conversion
- LT77 gearbox
- Older repaint
- Ultra-rare Alfin rear drum upgrade
- Incredible performance
THE APPEAL
When it came to replacing the elegant but aged Michelotti-styled TR5 ready for a new decade, Triumph took a cost-effective approach.
The 1969-on TR6 was essentially a neat, contemporary facelift of the previous model, performed by German coachbuilder Karmann, which added the German firm’s chopped-off ‘Kamm’ tail and a new squarer front end, along new, flatter panels.
It was largely the same as the TR5 underneath, with a separate chassis and a front-mounted fuel-injected straight-six sending power to the rear wheels through a four-speed gearbox. This one, though, is not straight-six.
THE HISTORY AND PAPERWORK
- Notes from previous owner
- V5C with correct engine size declared
- Five UK owners
- LHD to RHD conversion, imported from USA in 1991
- Converted in early 2000s to V8 power
THE INTERIOR
- Black vinyl upholstery
- Wooden dash
- Leather-rimmed three-spoke sports wheel
- Aftermarket stereo install
Inside, the TR6 is in reasonable, functional order with the front seats neatly retrimmed in black vinyl. The carpets, door trims and dash are decent enough and there is a modern radio upgrade.
THE EXTERIOR
- Repainted almost 20 years ago
- Generally tatty
- Hard-Top and Soft-Top - Both require attention
- Magnesium hugger-style alloys
The TR6 looks purposeful, sitting on wide magnesium slot-mag-style alloys and with a lower ride height and wider track than a standard TR6.
THE MECHANICS
- 3.9-litre Range Rover V8
- LT77 manual five-speed transmission
- Incredible performance
- Grooved and cross-drilled disc brakes
It’s under the bonnet where things get really interesting. The engine is a 3.9 EFi V8 and came out of a running 70,000-mile Range Rover. A reconditioned TR7 V8 LT77 gearbox was sourced and mated to the engine via a lightened and balanced flywheel with an AP racing clutch.
The install needed custom-made engine mounts and shim and an adapted gearbox mount, along with a shortened and balanced prop shaft. The old 3.7:1 diff was removed and a 3.45:1 sourced.
Refurbed driveshafts were fitted, the suspension trailing arms replaced, dampers renewed and coilovers fitted to lower the car slightly. The front brakes were uprated to grooved and cross-drilled discs, while at the rear a pair of very rare ALFIN drums were found, fitted with greenstuff shoes.
It uses a Rimmers exhaust mid-section and a twin pipe backbox arrangement sourced from TR Shop in Chiswick, which were custom made for a previous customer who changed his mind.
A high-pressure fuel pump and filter mounted under the passenger rear wing were added and a Rover SD1 radiator and water pump for advanced cooling, aided by a Kenlowe fan. It’s a fascinating and well-executed install with incredible performance and an addictive soundtrack.
SUMMARY
This is a very cool thing – a car that was brawny enough to start with but which has been injected with even more beef courtesy of that alloy V8 in its nose.
It requires attention, but it still looks pretty good and it sounds amazing. It’s a fabulous piece of kit with a real surprise in store for those who were expecting a federally restricted straight-six. Be different – you’ll love it!
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