I bought a TR6 and it ended up being the 1969 version. Little did I know how hard it would be to bring the car back to original condition. This is an attempt to catalog what I've learned so far and gather any and all info about the truly rare 69 Triumph TR6.
The TR6 was introduced in 1969, but right away, the US had several problems with safety, and emissions. Many changes were made before the 1970 release. 53 years later, trying to find parts that were only used once has been a challenge. I've spent 2.5 years so far and a lot of wasted money from bad advice. Hopefully, this will help anyone like-minded.

These are specs I found from 1969:

TR6 TECHNICAL SPECS
Engine, 152 cu. in. (2498 CC).
Bore 2.94 in. (74.7 mm).
Stroke 3.74 in. (95 mm).
Compression ratio 8.5:1.
Full flow oil filter.
TRANSMISSION
4 forward speed all synchromesh gear box.
Diaphragm type 8 1/2" hydraulically operated clutch.
Hypoid final drive beveled gears in cast iron case rubber mounted on chassis.
CHASSIS
Channel steel with cruciform bracing.
Steel disc type 15" x 5 1/2" wheels.
Mag type wheel covers-stainless steel. (Rostyle)
Radial ply red band tires-Goodyear 185 SR 15.
SUSPENSION
Front: Low periodicity independent system incorporating anti-roll bar.
Coil springs and telescopic dampers.
Rear: Semi trailing arm independent with coil springs and piston type dampers.
All rubber mounted.
STEERING
Triumph rack and pinion.
Energy absorbing column.
3 1/2 turns lock to lock.
BRAKES
Vacuum power independent system.
10 7/8" caliper operated discs-front.
9" drums-rear.
ELECTRICS
Negative ground 12 volt system.
57 amp. hours battery.
Twin windtone horns.
Two speed electric windshield wipers.
Electric windshield washers.
Twin back-up lights.
Front and rear marker lights.
Alternator.
BODY
Two seat, two door sports car.
Roll-up windows.
Rust proofed steel body.
Laminated windshield with high impact inter-layer.
Front hinged safety hood.
Locking trunk with courtesy light.
Full anti-burst door locks.
One either-side-up key for door and ignition.
TOP
Zip down rear window panel.
Soft top-vinyl inside and out.
Reflective safety striping around top.
Soft top boot cover.
Velcro strips on soft top and cant rails.
EXTERIOR ACCOUTREMENTS
Wrap around bumpers, front and rear.
External, door mounted rear view mirror.
Magnetic fuel tank cap-5 lb. pressure.
COCKPIT
Internal dipping safety rear view mirror.
Bucket seats with integral folding head restraints.
Padded swivelling sun visors.
Ambla upholstery, perforated on seat facings.
Locking glove compartment with courtesy light.
5" 140 mph speedometer with re-settable trip milometer.
5" tachometer.
Separate fuel, water temperature, oil pressure gauges, and ammeter.
Variable intensity dash illumination, blue light.
Combined ignition lock accessory control, and starter control.
Self cancelling turn signals.
Vents for fresh air ventilation at face and foot level.
Heating and demisting fresh air system.
Leather covered 15" steering wheel rim and matching gear shift knob.
Non-glare walnut finish dash.
4-way hazard flasher.
Quick release seat belts with stowage holster on outside.
Door operated courtesy light.
Wheel Base 88” 2.24M
Ground Clearance 6” .15M
Length 155” 3.94M
Width 58” 1.47M
Height-top up 50” 1.27M
Height-top down 46” 1.17M
Track- front 50 1/4” 1.28M
Track-rear 49 1/4” 1.26M
Turning Circle 33ft 10.1M
Fuel Tank 13 ½ gals 11 /1/4 imp gals 51 litres
Engine sump 9.64 pints 8 imp. Pints 4.52 litres
Gear Box 2.4 pints 2 imp. Pints 1.13 litres
Rear 3 pints 2 ½ imp. Pints 1.42 litres
Cooling system with heater 6.6 qts. 11 imp. Pints 6.2 litres
Weight-dry 2156 lbs. 983 kg.
Weight-with fuel and water etc. 2268 lbs. 1034 kg.
BHP 104 at 4500 rpm
Torque 1710 lb/in at 3000 rpm
Acceleration
Through the gears 0-30 mph 3.5 secs
0-50 mph 8.2 secs
Standing quarter mile 18.5 secs
Standard ratios 4th 3rd 2nd 1st rev
Ratio 1.00 1.33 2.01 3.14 3.22
Overall ratios 3.70 4.92 7.44 11.62 11.90
Engine rpm at 10 mph 482 641 969 1513
O/D O/D O/D
Overdrive ratios 4th 4th 3rd 3rd 2nd 2nd 1st
Overdrive ratios. .. ........ .3.03 3.70 4.03 4.92 6.10 7.44 11.62
Engine rpm at 10 mph. 395 482 525 641 794 969 1513

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