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Sebastian DeLuca
Tinkerer
Queensland
Purchasing Soon

Posts: 24
Reg: 08-2009

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Tuesday, March 02, 2010 - 07:01 pm, by:  Sebastian DeLuca (Sebby) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

hey guys,

i was wondering the other day is it possible to take the twin-turbos off a soarer TT and drive it?

and what would be some of the side effects of doing that

cant drive the any V8 or Turbo here
and the sc300 is just a little out of my price range

any help would be great
Matt Sartori
DieHard
Western Australia
Rx7

Posts: 557
Reg: 08-2008

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Tuesday, March 02, 2010 - 07:11 pm, by:  Matt Sartori (Klutch) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

Just buy a jzz31
James Harris
Goo Roo
QLD
GT Starlet

Posts: 3430
Reg: 07-2005

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Tuesday, March 02, 2010 - 09:06 pm, by:  James Harris (Haro) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

x2

Seb to be honest with you mate, Matty is right on the money. It simply is not worth the hassle trying to stuff around by removing turbos.
It would be a bit more involved than you think and prob cost you a fair bit in labour and fabrication work (if you cant do it yourself)

There are some amazing JZZ31s getting around for some really good prices. The better and later model ones will retain their value more (in my opinion) as these P-Plate laws are not going to change any time soon... so buying a better one will hopefully pay off in the long run (running, maintenance and resale prices)

Granted the price of JZZ31s has risen a fair bit thanks to these draconian laws. BUT - thems the breaks (or is it BRAKES) ?
Boris Siljanoski
TryHard
Western Australia
Soarer GZ20 TT

Posts: 415
Reg: 11-2007

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Tuesday, March 02, 2010 - 09:25 pm, by:  Boris Siljanoski (Z2tt) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

Yes but you need to put something in place of the twin turbos otherwise you'll have an exhaust leak from there.

I do know of a Person who had a Turbocharged Subaru WRX here in Perth, he thought that the P Plate restrictions apply over here aswell, so he asked a mechanic to take the turbo off. The mechanic got a N/A Manifold and put it on
Sebastian DeLuca
Tinkerer
Queensland
Purchasing Soon

Posts: 25
Reg: 08-2009

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Tuesday, March 02, 2010 - 10:57 pm, by:  Sebastian DeLuca (Sebby) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

they cost a bit more than the used v8's and TT's...
as a guide so i know how much to save
what am i looking at??
Ben Daniel
Goo Roo
WA
UZZ31 & JZA80

Posts: 2423
Reg: 03-2006

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Wednesday, March 03, 2010 - 12:53 am, by:  Ben Daniel (Lexustt) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

Seb, when it comes to soarers, %90 of people want either a TT or V8 and people with N/A's struggle to sell them for that reason so I dont think you should be hard pressed to find a decent N/A soarer.

Theoretically, yes, you can take the turbo's off a TT and drive it but you would need to have headers made up and have the car re-tuned... but at the end of this, it wouldn't be worth it as the compression is a lot lower than an N/A so therefore your car would be pretty gutless.
Boris Siljanoski
TryHard
Western Australia
Soarer GZ20 TT

Posts: 423
Reg: 11-2007

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Wednesday, March 03, 2010 - 11:22 am, by:  Boris Siljanoski (Z2tt) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

You could find an exhaust manifold from a 1jz-ge and put that on as long as it clears everything and as long as the 1g-ge head ports are the same as the 1g-gte.
Marc Hoffmann
TryHard
Vic
Soarer TT

Posts: 158
Reg: 07-2009

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Wednesday, March 03, 2010 - 12:19 pm, by:  Marc Hoffmann (Rushed) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

you could get a y-pipe made up to replace the turbos, but anyone who has had an intercooler hose pop off will tell you the car will pop and bang and wont rev much past 3000rpm, due to the ecu expecting boost and retarding timing for it.

if your on your p-plates i would just buy the turbo (keep the motor/exhaust stock!!) and drive it, i know of many p-platers driving no exhaust VN SS's and ba XR6T's on p's, some have been pulled up and the "people that could be solving real crimes" didnt care, of course though that is a risk....
Ali Saeed
Goo Roo
WA
V8 Limited

Posts: 1881
Reg: 09-2007

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Wednesday, March 03, 2010 - 12:38 pm, by:  Ali Saeed (Ali) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

if you want to go the dodgy route, just remove anything saying "twin turbo" from the car lol.
Mike Beck
Goo Roo
New Zealand
325i Coupe

Posts: 4291
Reg: 11-2005

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Wednesday, March 03, 2010 - 01:18 pm, by:  Mike Beck (Gold_40gt) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

Wow this is hilarious.

Just unplug 3 spark leads and you will probably get the same performance.

It wouldn't work properly anyway with out doing a few things at cost, plus it would be a dog, 2.5L NA @ 1600kg.

FUN!
Boris Siljanoski
TryHard
Western Australia
Soarer GZ20 TT

Posts: 425
Reg: 11-2007

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Wednesday, March 03, 2010 - 02:12 pm, by:  Boris Siljanoski (Z2tt) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

Marc this popping problem was it on non VVTI or VVTI Models? I would only expect it to happen on VVTI models which run an airflow meter if an inter cooler hose popped off.

I don't think the ECU "Expects boost" as such, it will provide the correct fueling depending on manifold pressure/vacuum, so without the turbos it would just run, but with no boost.
Aiden Cheese
TryHard
QLD
Soarer jzz30

Posts: 361
Reg: 09-2009

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Wednesday, March 03, 2010 - 04:44 pm, by:  Aiden Cheese (Chillpen) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)


Boris Siljanoski wrote on Wednesday, March 03, 2010 - 02:12 pm:


I don't think the ECU "Expects boost" as such, it will provide the correct fueling depending on manifold pressure/vacuum, so without the turbos it would just run, but with no boost.


It does. We've been running a 260 without the turbo's hooked up to the intake and just a pod filter taped onto the throttle body. It doesn't do anything weird. Its just not as powerful :-)
Boris Siljanoski
TryHard
Western Australia
Soarer GZ20 TT

Posts: 430
Reg: 11-2007

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Wednesday, March 03, 2010 - 09:16 pm, by:  Boris Siljanoski (Z2tt) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

And what about popping and farting and not revving much above 3000RPM that was mentioned because the ecu "Expects boost", do you get that?

If you don't then I see no explanation to why an ECU "Expects Boost", simply at whatever given manifold pressure/vacuum there is, it will provide the appropriate fueling

If it was designed to expect boost, then you'd have major fueling issues if your turbos blew and couldn't make any boost.

That's just my theory, But I don't know how it works just I wouldn't know why it should be designed to expect boost since when boost is made it will be sensed and correct fuel provided.
Matt Sartori
DieHard
Western Australia
Rx7

Posts: 559
Reg: 08-2008

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Wednesday, March 03, 2010 - 09:32 pm, by:  Matt Sartori (Klutch) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

You're quite jumpy, aren't you Boris...
Steven Anderson
TryHard
NSW
UZZ31 Manual

Posts: 436
Reg: 05-2006

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Thursday, March 04, 2010 - 03:42 pm, by:  Steven Anderson (Cusscuss) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

yeah it definitely doesnt 'expect boost'. MAP is an important part of fuelling as even with turbos you can easily have no boost at any gear at any rpm with low throttle openings.
Don Bagnall
Moderator
New Zealand
SLK 230 Kompressor

Posts: 7529
Reg: 05-2005

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Thursday, March 04, 2010 - 05:12 pm, by:  Don Bagnall (Baggs) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)


Matt Sartori wrote on Wednesday, March 03, 2010 - 09:32 pm:

You're quite jumpy, aren't you Boris...



Passionate, is the word I think Matt
Peter Burrett
DieHard
ACT
'97 2.5 VVTi ST, '04 IS200, '94 3 ltr Soarer

Posts: 669
Reg: 07-2005

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Thursday, March 04, 2010 - 08:17 pm, by:  Peter Burrett (Burrett) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

I can tell you that if you disconnect the SMIC output hose on a VVTi, it won't even idle, just splutters and dies
Boris Siljanoski
TryHard
Western Australia
Soarer GZ20 TT

Posts: 449
Reg: 11-2007

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Thursday, March 04, 2010 - 08:55 pm, by:  Boris Siljanoski (Z2tt) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

Yes Passionate is definitely the correct word.

The VVTI Version won't idle because the metering device (Airflow Meter in this case) is right after the air filter, so if air is being sucked in anywhere after that it won't idle.

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