What causes the timing to change on a Jaguar V12?
The Jaguar V12 design eliminates most wear items that would normally cause ignition timing to vary, such as ignition points or sloppy camshaft drive systems. The only remaining reason for the timing to change would be wear in the timing chain itself, and the Jaguar timing chain normally wears so slowly as to be insignificant.
When did Borg Warner replace the Jaguar XJ6?
In March 1970 it was announced that the Borg-Warner Model 8 automatic transmission, which the XJ6 had featured since 1968, would be replaced on the 4.2-litre XJ6 with the Borg-Warner Model 12.
What kind of compression ratio does a Jaguar XJ6 have?
Displacing 4,235cc via a 92.1 x 106mm bore and stroke, the seven-main-bearing unit had an 8.1:1 compression ratio and made a smooth 176hp at 4,750 RPM and 219-lbs.ft. of torque at 2,500 RPM; it was mated exclusively to a Borg-Warner three-speed automatic gearbox, though a five-speed manual was introduced in other markets and can be retrofitted.
When did the Jaguar XJ Double Six come out?
A badge-engineered version, the Daimler Double-Six, was introduced in 1972, reviving the Daimler model name of 1926–1938. Commonly referred to as the “Series II”, the XJ line received a facelift in Autumn 1973 for the 1974 model year.
In March 1970 it was announced that the Borg-Warner Model 8 automatic transmission, which the XJ6 had featured since 1968, would be replaced on the 4.2-litre XJ6 with the Borg-Warner Model 12.
Displacing 4,235cc via a 92.1 x 106mm bore and stroke, the seven-main-bearing unit had an 8.1:1 compression ratio and made a smooth 176hp at 4,750 RPM and 219-lbs.ft. of torque at 2,500 RPM; it was mated exclusively to a Borg-Warner three-speed automatic gearbox, though a five-speed manual was introduced in other markets and can be retrofitted.
A badge-engineered version, the Daimler Double-Six, was introduced in 1972, reviving the Daimler model name of 1926–1938. Commonly referred to as the “Series II”, the XJ line received a facelift in Autumn 1973 for the 1974 model year.
What kind of engine does a Jaguar XJ6 have?
Models covered Jaguar XJ6 models with 3.2 litre (3239 cc), 3.6 litre (3590 cc) & 4.0 litre (3980 cc) six-cylinder in-line dohc petrol engines and automatic transmission