Home > General (L405) > 4.4 Engine Noise |
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Philip Member Since: 05 Jan 2010 Location: UK Posts: 2564 |
Certainly less sophisticated at idle vs Supercharged (especially from outside). Only comparable figures I can find are from different tests:
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18th Jun 2014 10:43am |
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5.0 Member Since: 25 Feb 2012 Location: Surrey Posts: 716 |
Are these sound levels outside or inside the car? Also do you have the 3.0 diesel for comparison?
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18th Jun 2014 12:25pm |
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stan Site Moderator Member Since: 13 Jul 2010 Location: a moderate moderated moderator moderating moderately in moderation Posts: 35295 |
does this mean the sc is louder than the diesel? ... - .- -.
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18th Jun 2014 12:47pm |
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Philip Member Since: 05 Jan 2010 Location: UK Posts: 2564 |
Agreed, but you'd imagine they'd be done with similar equipment under largely similar conditions. Will compare with other vehicles they've both tested to see how they correlate. My subjective L322 experience suggests that there's not an appreciable difference in volume on the move, but the petrol is always going to sound smoother and more refined. Haven't had a go in a Supercharged L405. |
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18th Jun 2014 1:09pm |
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5.0 Member Since: 25 Feb 2012 Location: Surrey Posts: 716 |
Yes, I think that's it. When they are cruising they are all quiet enough. What I notice particularly is accelerating from rest through the first few gears. The petrol is much quieter and the 3.0 diesel is quieter than the 4.4 in my opinion. |
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18th Jun 2014 1:34pm |
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Aeroresh Member Since: 31 May 2008 Location: North Wales Posts: 137 |
I love the sound of the 4.4....I've never tried the 5.0 sc but subjectively sounds better than my old 4.2sc did which was all whine. Nice woofly v8 when pressing on and muted when not. Perfect compromise in my opinion.
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18th Jun 2014 5:15pm |
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5.0 Member Since: 25 Feb 2012 Location: Surrey Posts: 716 |
I can't hear any woofle just diesel rattle.
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18th Jun 2014 5:52pm |
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seawise Member Since: 27 Jan 2014 Location: london Posts: 12 |
agree - sounds rattly in the car - sounds good from the outside though, not that this is much compensation. prefer the 3.0 is this respect , it's a lot more refined as an engine. the V8 is a noisy old nail, effective yes but not refined enough for a 100k motorcar. |
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23rd Jun 2014 12:46pm |
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Philip Member Since: 05 Jan 2010 Location: UK Posts: 2564 |
It would be a serious stretch to describe it as unrefined on the move, even if the TDV6 spins a bit more smoothly. Presumably comparing to the VAG V8 diesel? |
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23rd Jun 2014 1:25pm |
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seawise Member Since: 27 Jan 2014 Location: london Posts: 12 |
compared to the 3.0 is seems rather rough - besides our car, I've tried a couple of the dealers demo's and they are the same. actually at one stage there was an awful resonance at 1,300 rpm but that turned out to be a loose heat shield. it's fine once you are doing more than 50 mph, but low speed acceleration and start up the noise is too much in my opinion for a 100k car.
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23rd Jun 2014 1:30pm |
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