For Sale: 1971 Triumph TR6 in St Louis, Missouri for sale in Saint Louis, MO
Vehicle Description The first production TR6 was built on the 19th of September 1968, as a 1969 model year.
All TR6s built until the 28th of November 1968 were carburetted-engine cars with CC commission number prefixes, at which point in time petrol-injected cars with CP commission number prefixes began to be produced on the same production line.
While small changes occurred to the TR6 during its production run, the basic shape and styling cues of the TR6 remained unchanged from beginning to end.
The only factory-recognised change to the TR6 occurred in 1973, when the commission number prefixes changed.
Commission numbers were the sequential alpha-numeric numbers used to identify vehicles, a system preceding the use of the modern-day Vehicle Identification Number (VIN).
The Early CC and CP prefixes were replaced by the Later prefixes of CF for carburetted engines and CR for petrol-injected engines.
At that time a front spoiler was added, the gauges changed notably in style, as did the horn push and horn surround, and a different optional overdrive was used (Laycock de Normanville A-type for early cars but J-type for later cars).
But more importantly, the later CR petrol-injected cars received the milder camshaft that had been used in the carburetted cars, and also a change to the mechanical petrol injection pump.
This reduced the power on the later CR petrol-injected cars to 125bhp but made them more drivable in traffic.
The power of the later CF carburettor-engined cars was officially reported to have remained mostly the same, 104bhp to106bhp, but the continued addition of emissions equipment on later CF TR6s added complexity and reduced performance.
Apart from the Early vs.
Late commission number change, small aesthetic and mechanical changes occurred throughout the production run of the TR6, as is common on most production cars.
In terms of aesthetics, when first produced some styling details were carried over from earlier Triumph TR models but soon dropped, such as short fender beads on part of the rear wings (fenders) on the 1968-built and possibly very early 1969-built models.
The wheel rims changed slightly starting with the 1970 model year, increasing their width from 5 to 5.
5, at which time the Rostyle wheel covers (hubcaps) that were standard on the TR5, TR250, and 1969 TR6s were discontinued and center caps were used.
The 1969 models also sported a unique steering wheel and a magnetic petrol filler cap.
Different exterior and interior colors were offered in different years and therefore the original color of a TR6 also indicated in which years it was likely manufactured.
For example, TR6s originally painted Royal Blue were only offered up until 1971, whereas Inca yellow was a color only available on 1976 TR6s.
Carpets on earlier cars were made of Wilton wool versus later cars had tufted nylon carpets.
Evolving US regulations incited many of the changes to the TR6.
More changes occurred to the carburetor engine CC and CF cars but some of those changes carried over to the petrol-injected CP and CR cars.
For example, changes that only affected carbureted TR6s were three versions of the seats, different bumpers, three different carburetor versions, and many emissions equipment changes.
Changes instigated by US regulations that carried over to the petrol-injected TR6s were things like the relocation of the ignition key under the steering wheel in order to incorporate a steering lock.
The last petrol injected TR6 was produced in July 1975 while the production of carbureted TR6s continued until the very last TR6 was produced on the 20th of July 1976.
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All TR6s built until the 28th of November 1968 were carburetted-engine cars with CC commission number prefixes, at which point in time petrol-injected cars with CP commission number prefixes began to be produced on the same production line.
While small changes occurred to the TR6 during its production run, the basic shape and styling cues of the TR6 remained unchanged from beginning to end.
The only factory-recognised change to the TR6 occurred in 1973, when the commission number prefixes changed.
Commission numbers were the sequential alpha-numeric numbers used to identify vehicles, a system preceding the use of the modern-day Vehicle Identification Number (VIN).
The Early CC and CP prefixes were replaced by the Later prefixes of CF for carburetted engines and CR for petrol-injected engines.
At that time a front spoiler was added, the gauges changed notably in style, as did the horn push and horn surround, and a different optional overdrive was used (Laycock de Normanville A-type for early cars but J-type for later cars).
But more importantly, the later CR petrol-injected cars received the milder camshaft that had been used in the carburetted cars, and also a change to the mechanical petrol injection pump.
This reduced the power on the later CR petrol-injected cars to 125bhp but made them more drivable in traffic.
The power of the later CF carburettor-engined cars was officially reported to have remained mostly the same, 104bhp to106bhp, but the continued addition of emissions equipment on later CF TR6s added complexity and reduced performance.
Apart from the Early vs.
Late commission number change, small aesthetic and mechanical changes occurred throughout the production run of the TR6, as is common on most production cars.
In terms of aesthetics, when first produced some styling details were carried over from earlier Triumph TR models but soon dropped, such as short fender beads on part of the rear wings (fenders) on the 1968-built and possibly very early 1969-built models.
The wheel rims changed slightly starting with the 1970 model year, increasing their width from 5 to 5.
5, at which time the Rostyle wheel covers (hubcaps) that were standard on the TR5, TR250, and 1969 TR6s were discontinued and center caps were used.
The 1969 models also sported a unique steering wheel and a magnetic petrol filler cap.
Different exterior and interior colors were offered in different years and therefore the original color of a TR6 also indicated in which years it was likely manufactured.
For example, TR6s originally painted Royal Blue were only offered up until 1971, whereas Inca yellow was a color only available on 1976 TR6s.
Carpets on earlier cars were made of Wilton wool versus later cars had tufted nylon carpets.
Evolving US regulations incited many of the changes to the TR6.
More changes occurred to the carburetor engine CC and CF cars but some of those changes carried over to the petrol-injected CP and CR cars.
For example, changes that only affected carbureted TR6s were three versions of the seats, different bumpers, three different carburetor versions, and many emissions equipment changes.
Changes instigated by US regulations that carried over to the petrol-injected TR6s were things like the relocation of the ignition key under the steering wheel in order to incorporate a steering lock.
The last petrol injected TR6 was produced in July 1975 while the production of carbureted TR6s continued until the very last TR6 was produced on the 20th of July 1976.
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