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Old 24 November 2005, 08:20 AM
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mozzaITA
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Default Audi TT 225

Hi all, a friend has just bought one which has been chipped, doesnt feel neck brakingly quick even though its supposed to have 265 bhp. Anybody any experiance of these? whats sort of 0-60 and top end should you expect when rolling on 19"?

Also they arnt permanently 4 wheel drive are they? how does their 4x4 work?

thanks in advance
Old 24 November 2005, 08:30 AM
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sti-04!!
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I have got one at the moment, its been remapped & has a remus zorst, its not the quickest in the world, but it does the job

For sale shortly as well
Old 24 November 2005, 08:31 AM
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Cupramax
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0-60 standard on a 225 TT is 6.4 secs so I'd expect it to be half to a second or so quicker when remapped although as you say it may not feel like it. Power delivery can be totally different with some remaps being smooth and some breaking your neck with huge midrange. I would guess if its smooth its running either APR or AmD code. Revo & MTM are renowned for producing huge midrange so I doubt its running theirs.

TT's use Haldex 4wd which only drives the rear wheels when slip is detected on the fronts...

http://www.haldex-traction.com/techn...teristics.htm#
Old 24 November 2005, 09:01 AM
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mozzaITA
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How does a helex system compare to a conventional 4x4 system, i suppose if it was better more manufactureers would adopt it?...

My neck is definatly intact!! lol
Old 24 November 2005, 01:09 PM
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Gary C
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Originally Posted by mozzaITA
How does a helex system compare to a conventional 4x4 system,

Haldex, not helix, very different.

Helix LSD's (Torsen type)

Haldex, electrically controlled clutch. Makes it cheap and easy to install. Quite quick in response and programmable. Suppose its the installation and programming that determines how it will feel.

Theirs nothing wrong with an electro-hydraulic diff in concept, the EVO AYC uses a multiplate hydraulic unit on one rear axle and its very fast (actually slowed down by the software to conserve its life, Mitsi provide a more agressive program for those who want it). Though this unit is much more adavanced as it can speed up and slow down one shaft in relation to the other to provide rear wheel steering.

Last edited by Gary C; 24 November 2005 at 01:12 PM.
Old 25 November 2005, 10:07 AM
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mozzaITA
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SO there wont be 4x4 transmission losses then under normal driving!!!
Old 25 November 2005, 10:13 AM
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Cupramax
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No, just the extra weight to lug around...
Old 25 November 2005, 01:56 PM
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nisr227
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I think the extra 40bhp over the standard TT will probably increase its 60-100mph by approx 2secs, which in the real world, will be about the same performance (in a straightline anyway) as a non-ppp UK Sti.

My site's formulas predicts a standard TT 225 to 60 in 6.1secs and 0-100 in 17dead, not far off the real figures that Evo magazine acheived with was a 6.1 and 16.7secs. Adding 40bhp brings 0-60 down to 5.1 and 100 in 14secs, only theory I know, but an idea.

STEVE
www.letstorquebhp.com
Old 06 December 2005, 04:30 PM
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Andy M3
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Is the new lightweight version a lot quicker than the existing one ? Surely a remapped lightweight version would be STI territory?

How does that fare next to the 3.2 ?
Old 06 December 2005, 05:01 PM
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Cupramax
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The TT QSport 240 does 0-60 in 5.9 which is quicker than the 3.2 Unsure if they've actually changed anything except the map and saved some weight...
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