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Author Watch this space
Kris TD
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Registered: 25th Mar 02
Location: Ware, Hertfordshire
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16th Apr 03 at 00:18   View User's Profile U2U Member Reply With Quote
you wont get it spooling up any lower down the revs than that unless you use a variable vein turbo and you cant use them on corsa tds cos they are computer controlled
Kris TD
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Registered: 25th Mar 02
Location: Ware, Hertfordshire
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16th Apr 03 at 00:19   View User's Profile U2U Member Reply With Quote
im sorry adam but whoever has told you that hasnt got a clue what they are on about, there is noway even a variable vein turbo will start boosting at 1000 rpm.
Adam
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Registered: 1st May 01
Location: Hurstbourne Tarrant
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16th Apr 03 at 00:19   View User's Profile U2U Member Reply With Quote
yes you can, because the samller the turbo the lower ammount of gas flow is needed to get it spinning
Kris TD
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Registered: 25th Mar 02
Location: Ware, Hertfordshire
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16th Apr 03 at 00:19   View User's Profile U2U Member Reply With Quote
oh, and who uses 1000-2000 rpm anyway?
Kris TD
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Registered: 25th Mar 02
Location: Ware, Hertfordshire
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16th Apr 03 at 00:24   View User's Profile U2U Member Reply With Quote
so if a small turbo spools up at 1000 rpm then that meens it will tail off really early so you will have a power band like a lorry 1000 rpm - 2500 rpm, what use is that in a road car??
Gambit
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Registered: 5th Jun 00
Location: Common Sense HQ
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16th Apr 03 at 08:28   View User's Profile U2U Member Reply With Quote
quote:
Originally posted by Adam
ok, standard spools at 2000 so 2 even smallerones would spin up even lower, maybe even at 1000 rpm (no looked at details that much!!) then all you need to do is raise idle speed to match and would have no lag at all



says it all!!
Ojc
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Registered: 14th Nov 00
Location: Reading: Drives : Clio 197
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16th Apr 03 at 09:41   View User's Profile U2U Member Reply With Quote
Please just save your money and fit a 2.0 16v

You have let Spencer pollute your mind again.
Steve
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Registered: 30th Mar 02
Location: Worcestershire Drives: Defender
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16th Apr 03 at 09:42   View Garage View User's Profile U2U Member Reply With Quote
diesals can gtf
Ojc
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Registered: 14th Nov 00
Location: Reading: Drives : Clio 197
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16th Apr 03 at 09:43   View User's Profile U2U Member Reply With Quote
No Steve, DIESEL'S can GTF!
Steve
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Registered: 30th Mar 02
Location: Worcestershire Drives: Defender
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16th Apr 03 at 09:44   View Garage View User's Profile U2U Member Reply With Quote
gtf with ur spelling lessons, u are NOT my teacher

[Edited on 16-04-2003 by Steve106GTi]
Tom
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Registered: 3rd Apr 02
Location: Wirral, Merseyside
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16th Apr 03 at 09:57   View User's Profile U2U Member Reply With Quote
Adam has just been told

Get a real engine fool
Adam
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Registered: 1st May 01
Location: Hurstbourne Tarrant
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16th Apr 03 at 10:00   View User's Profile U2U Member Reply With Quote
I can't get insured on a 2.0 for another couple of years
GIBBS
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Registered: 22nd Feb 01
Location: Kent, Jap Car Importer :)
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16th Apr 03 at 10:03   View User's Profile U2U Member Reply With Quote
quote:
Originally posted by Adam
I can't get insured on a 2.0 for another couple of years


and they'll insure you for a twin turbo intercooled etc.. diesel? Or aren't you going to tell them? if you aren't may aswell stick a 2.0 in and not tell them, they aren't going to pay up either way if they spot it.

Matt
Steve
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Registered: 30th Mar 02
Location: Worcestershire Drives: Defender
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9th Aug 05 at 14:12   View Garage View User's Profile U2U Member Reply With Quote
i've been watching this space for a long time now, and its been quite upsetting to say the least
Ally
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Registered: 2nd Jul 03
Location: Pontypool Drives: a Skoda
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9th Aug 05 at 14:15   View User's Profile U2U Member Reply With Quote
quote:
Originally posted by Corsa_Sam
i've been watching this space for a long time now, and its been quite upsetting to say the least


Im surprised Ian hasn't cottoned on to your real identity yet Superman
Steve
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Registered: 30th Mar 02
Location: Worcestershire Drives: Defender
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9th Aug 05 at 14:16   View Garage View User's Profile U2U Member Reply With Quote
what, sam anorgett?
Ally
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Registered: 2nd Jul 03
Location: Pontypool Drives: a Skoda
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9th Aug 05 at 14:16   View User's Profile U2U Member Reply With Quote
Yes Sam ... yes indeed
Nismo
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Registered: 12th Sep 02
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9th Aug 05 at 14:24   View User's Profile U2U Member Reply With Quote
watching for sum time yet you only registered in june
mwg
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Registered: 19th Feb 04
Location: South Lakes
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9th Aug 05 at 14:34   View User's Profile U2U Member Reply With Quote
Did he do the twin turbo conversion in the end
Steve
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Registered: 30th Mar 02
Location: Worcestershire Drives: Defender
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9th Aug 05 at 14:38   View Garage View User's Profile U2U Member Reply With Quote
quote:
Originally posted by Nismo
watching for sum time yet you only registered in june


i enjoyed being a guest
Stu
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Registered: 3rd May 00
Location: Madchester UK Drives: 2014 BMW M135i
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9th Aug 05 at 14:42   View User's Profile U2U Member Reply With Quote
The reason for twin turbo is this:

1 large turbo - Good high boost but loads of lag

1 small turbo - Lower lag but cant hold high boost

2 Small turbos - Low lag but can hold good high boost (cos theres two of them)



[Edited on 09-08-2005 by Stu]
Steve
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Registered: 30th Mar 02
Location: Worcestershire Drives: Defender
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9th Aug 05 at 14:48   View Garage View User's Profile U2U Member Reply With Quote
the new bmw diesel is a twin turbo, the one that was on top gear, had a small and a large
Phil321
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Registered: 10th Mar 01
Location: Manchester
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9th Aug 05 at 14:49   View User's Profile U2U Member Reply With Quote
Mercedes are soon to offer a triturbo diesel.
Steve
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Registered: 30th Mar 02
Location: Worcestershire Drives: Defender
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9th Aug 05 at 14:52   View Garage View User's Profile U2U Member Reply With Quote
what was the car that had about 7 turbos, each one kicking in every 1000rpm?

didn't get produced for the road, but was entered into some rally and got banned
stuartmitchell
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Registered: 24th Apr 04
Location: Kirkliston, Edinburgh
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9th Aug 05 at 15:35   View User's Profile U2U Member Reply With Quote
quote:
Originally posted by Adam
they need to spin up at the same time or the crank will go bye-bye


not true, the new BMW is a twin turbo DIESEL.

It uses one small turbo = no lag and
One bigger turbo = mega boost

You may have seen it on Top Gear last week

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