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  #1  
Old 1st January 2020, 03:50 PM
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c107 c107 is offline
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Default W109 6.3 vs Daimler Double Six S1

https://drive-my.com/en/test-drive/i...-6-3-w109.html

Interesting article.
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Old 1st January 2020, 04:17 PM
sean sherry sean sherry is offline
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Smile Re: W109 6.3 vs Daimler Double Six S1

Having worked on many V12 Jaguars ie the transmissions, I always found them gutless. Impossible to set the Auto Box as the ignition was about 6% retarded to meet emissions. This resulted in late upshifts . a common complaint. We advanced the Timing and said nothing .. no comebacks complaints. The V 12 BMWs were a much better car to drive, a lovely Engine set up correctly.
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Old 1st January 2020, 04:40 PM
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Default Re: W109 6.3 vs Daimler Double Six S1

What damned fine cars; both of them. I would have either or both as they do represent truly fine human engineering.
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Old 1st January 2020, 06:19 PM
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Default Re: W109 6.3 vs Daimler Double Six S1

I would love a series 1 XJ12 or Daimler Double six at some point.
I've not driven one, but from what i gather the short stroke 12 is not a torque monster and makes its power at high revs.

Probably the comparison with the 6,9 would be more appropriate as they were contemporaries.
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Old 1st January 2020, 07:57 PM
BenzBoy BenzBoy is offline
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Default Re: W109 6.3 vs Daimler Double Six S1

Quote:
Originally Posted by c107 View Post
I would love a series 1 XJ12 or Daimler Double six at some point.
I've not driven one, but from what i gather the short stroke 12 is not a torque monster and makes its power at high revs.

Probably the comparison with the 6,9 would be more appropriate as they were contemporaries.
The Jaguar/Daimler V12 is extraordinarily smooth and revs very easily. It does not have the low-down torque of the 6.9 but it does sing through the revs; the two different motors reflect totally different cultures and each is as equally desirable. You owe it to yourself to drive the V12 as it is a very beautiful piece of engineering.
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Old 2nd January 2020, 07:03 AM
sean sherry sean sherry is offline
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Talking Re: W109 6.3 vs Daimler Double Six S1

Interesting about the Torque at higher Revs, as this Engine did not have not a happy marriage with the USA Turbine 400 Auto Box, which was designed for low Revving high Torque Engines. On the Motorways in the UK the intermedic Clutches were failing due to the high revving Jaguar Engine.
The T 400 auto was happier in the lower revving Rolls Royce V8s, except that R.R. fitted a "soft" vacuum Modulator to lower the Line Pressure to give soft sloppy upshifts. Easily sorted with a Modulator from a Pontiac. The Shadow 11 then drove much better with clean positive upshifts.
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