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fishinmad
Member Since: 30 Jan 2012
Location: St Ives
Posts: 877
  
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I took the D3 for a very long steep climb at the weekend when I went skiing in the Sierra Nevada, by this I mean 13 km of hairpin bends and a continuous climb to circa 2,500 metres + (that’s 8,202 feet in real money).
I was driving it quite hard, accelerating hard out of the hairpins (i.e. foot to the floor) and noticed there was a very distinct turbo lag is this normal (e.g. .25 to .5 of a second)?
The car was 5 up and full of ski gear.
Was amazed how well in handled and the power, once it cut in (a friend in an A3 2.0L couldn’t keep up  ) it also seemed to give the old girl quite a clean out as much more responsive since. Club Narpy Torch
“No return to boom and bust†Gordon Brown when chancellor
He has been proved right, now there is only bust!
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 5th Mar 2014 12:11 pm |
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Stooby2
Member Since: 24 Jan 2014
Location: Sarf Laandaan
Posts: 26
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If it's an auto, you're also getting the delay of the box changing gear, unless you use the sports shift to keep the gear and maintain the revs into the corner.
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| 6th Mar 2014 8:14 pm |
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den2013
Member Since: 03 Jan 2013
Location: Alland
Posts: 622
  
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Agree with Stooby2, keep it in sports shift, much more responsive after the corner, have a few hills with sharp uphill bends and i always use it in sports mode, as said, it helps to keep the revs up.  2015 D4 HSE LUX Kaikoura Stone(sold)
2010 D4 S Commercial Santorini Black(SWMBO)(sold)
2014 Evoque Dynamic Kaikoura Stone (sold)
2013 Porsche Boxster S (Fun car)
2008 D3 HSE Java Black(sold)
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| 6th Mar 2014 8:30 pm |
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Valhalla
Member Since: 23 Oct 2011
Location: Isle of Skye
Posts: 124
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It's quite normal to feel a bit of lag at low engine speeds on the 2.7TDV6; the turbo is spec'd for much higher altitudes than you will find in the Sierra Nevada, but the payback is that response at low engine speeds is a bit pathetic. You should find that anything above 1800rpm engine speed is responsive.
Definitely agree about keeping the thing in Sport mode on the transmission, or even better, use the manual shift to hold the gears for a bit longer. In theory, once you have suffered a bit of lag on the uphill hairpins, the gearbox will start to modify its shifts for "mountain mode", as it will recognise that your accelerator pedal is going to the carpet at regular intervals.
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| 7th Mar 2014 12:43 am |
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M3DPO
Member Since: 22 Sep 2010
Location: Notts.
Posts: 8163
 
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this is why it's called "adaptive transmission", and another reason for it now being more responsive.
You can't beat a good blow out once in a while It can when others can't,
It will when others won't,
It goes where others don't.
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| 7th Mar 2014 9:26 am |
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robbo770
Member Since: 29 Jan 2013
Location: Aberdeenshire
Posts: 2294
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fishinmad wrote:I took the D3 for a very long steep climb at the weekend when I went skiing in the Sierra Nevada, by this I mean 13 km of hairpin bends and a continuous climb to circa 2,500 metres + (that’s 8,202 feet in real money).
I was driving it quite hard, accelerating hard out of the hairpins (i.e. foot to the floor) and noticed there was a very distinct turbo lag is this normal (e.g. .25 to .5 of a second)?
The car was 5 up and full of ski gear.
Was amazed how well in handled and the power, once it cut in (a friend in an A3 2.0L couldn’t keep up ) it also seemed to give the old girl quite a clean out as much more responsive since.
hence the need for the De-cat pipe!, the revised version is not far away with the MOT changes being cattered for  FFRR SC 4.2
Rejected!! RRS2
Fit TDV6 intercooler hoses
Fast Road intercooler
De-Cat pipe
D3 to B4 front end Upgrade
OEM TV/DVD Screens+wireless Headphones!
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| 7th Mar 2014 10:01 am |
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fishinmad
Member Since: 30 Jan 2012
Location: St Ives
Posts: 877
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If I could mange to fit the pipemyself I would have one! however I think it may be a bridge to far for my DIY skills Club Narpy Torch
“No return to boom and bust†Gordon Brown when chancellor
He has been proved right, now there is only bust!
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| 7th Mar 2014 1:36 pm |
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Martin
Site Admin and Owner
Member Since: 06 Nov 2004
Location: Hook Norton
Posts: 18518
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Turbo lag at altitude is absolutely normal with a turbo engine.
It is nothing to be concerned about and certainly not a reason to be sold a decat pipe.
What you should do when climbing is let the engine idle for a minute or so once you have reached your destination to allow the turbo to cool whilst being supplied oil by the running engine.
The turbo has to work harder at altitude to compress the air to same pressure so give it a rest once you get there and keep the oil supplied to it 06 D3 SE / 15 LR D90 XS SW / 88 LR 90 Td5 / 68 BMW 2000 ti
Any issues with the site let me know!
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| 7th Mar 2014 1:48 pm |
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fishinmad
Member Since: 30 Jan 2012
Location: St Ives
Posts: 877
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I only like the decat because of the way the exhaust sound after the conversation (childish I know) a RRS has one near me and sounds fantastic.
The tip about letting the engine idle for a minute or so once you have reached your destination is good one and one I always practice. In the hand book it says idle for 60 seconds before switching off after sustained high speed drive Club Narpy Torch
“No return to boom and bust†Gordon Brown when chancellor
He has been proved right, now there is only bust!
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| 7th Mar 2014 2:08 pm |
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