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Vinh Bui
Goo Roo
NSW
94 UZZ31 (V8) / 96 JZZ30 (TT)

Posts: 1577
Reg: 07-2005

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Thursday, February 01, 2007 - 06:47 pm, by:  Vinh Bui (Hyudsjk) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

^^ GCG as stated above. They are a bit expensive, however you do get what you pay for.
Maurice Diggler
DieHard
Victoria
Twin Turbo

Posts: 924
Reg: 06-2006

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Thursday, February 01, 2007 - 08:44 pm, by:  Maurice Diggler (Mau_rice) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

Yeh Tate, as I told you last night, call GCG and get them rebuilt and hiflowed!

DO IT NOW! :-)
Shane McInnes
DieHard
NSW
JZZ30 GT-TL Manual

Posts: 869
Reg: 07-2005

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Friday, February 02, 2007 - 04:41 pm, by:  Shane McInnes (Soarin_tt) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

Yeah last i heard ATS in Melbourne shut up shop.

There is a ATS in Adelaide i believe?

and then there is GCG in Sydney as Maurice Said.
James Johnson
DieHard
Victoria
JZZ30

Posts: 562
Reg: 07-2005

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Sunday, February 04, 2007 - 09:55 pm, by:  James Johnson (Jamesy) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

i just got a new steel wheeled turbo. and installed fmic.

just asking does the FMIC make the turbo whistle louder? i have pod and fmic and the new turbos are very loud on very low boost 0.35bar.
Cihan Aday
Goo Roo
" 238.7rwkw + 2JZ cams = ? "
JZZ30

Posts: 1689
Reg: 07-2005

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Monday, February 05, 2007 - 10:10 am, by:  Cihan Aday (Cihan) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

James, i'd be concerned as to the condition of the turbo that didnt itself!

Did you prime the oil lines before assembly?
Always good to make sure they're actually flowing clean high pressure oil, if there is a blockage the engine will just keep blowing whatever you put on it mate.

0.35bar seems low, ive used these before and boost was minimum 9psi (0.61bar).
James Johnson
DieHard
Victoria
JZZ30

Posts: 563
Reg: 07-2005

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Monday, February 05, 2007 - 10:38 am, by:  James Johnson (Jamesy) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

ohh the .35 bar was only like quarter throttle.

mm i checked all the oil lines. maybe the Chinese turbos are a little louder? or maybe i need to use some different oil.

i might take it to sports and luxury cars because they have installed many of these Chinese turbos so they would know what it should sound like.
Cihan Aday
Goo Roo
" 238.7rwkw + 2JZ cams = ? "
JZZ30

Posts: 1692
Reg: 07-2005

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Monday, February 05, 2007 - 03:56 pm, by:  Cihan Aday (Cihan) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

They're damn loud compared to good condition stock turbos. Probably nothing to worry about. Reason is i thoguht you were talking about the before and after installation comparing the old sound to the new sound.

They're definitely much louder, its all bearing noise. If you have a slight exhaust leak it will amplify the noise a lot also ;)
James Johnson
DieHard
Victoria
JZZ30

Posts: 565
Reg: 07-2005

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Monday, February 05, 2007 - 05:17 pm, by:  James Johnson (Jamesy) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

i just noticed i forgot to do up one of the clamps for one of the connections on the intake, that may of made it louder ill go for another drive soon and find out.
Ben Runkel
Tinkerer
South Australia
JZZ30 Soarer TT

Posts: 12
Reg: 07-2005

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Monday, February 05, 2007 - 07:17 pm, by:  Ben Runkel (Kunkie) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

james, where did you get the turbo's hi flowed? i got mine done at GCG in sydney and ever since i have had them (3 years) they have mate an odd sound almost like a whine crossed with a whistle (very hard to explain), apparently its to do with the compressor wheel trim they use. i used to run 18+ psi all day everyday and have never had a problem...
Trent Osborne
Tinkerer
florida
sc300 na.sc400tt

Posts: 21
Reg: 11-2006

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Tuesday, February 06, 2007 - 08:19 am, by:  Trent Osborne (Sc250tt) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

i had the same whistling sound coming from my turbos until i tightened all my intercooler clamps .no more whistling try that ,it might help
James Johnson
DieHard
Victoria
JZZ30

Posts: 566
Reg: 07-2005

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Tuesday, February 06, 2007 - 06:48 pm, by:  James Johnson (Jamesy) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

mine are the chinese ones from ebay.

im taking it to sports and luxury cars tomorrow they have fitted the chinese turbos to other peoples cars so they know what they should sound like.
Braden Murdoch
TryHard
NSW
Cressida 1JZ TT

Posts: 292
Reg: 04-2006

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Wednesday, February 14, 2007 - 04:00 pm, by:  Braden Murdoch (Ribfeast) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

I find my ebay china CT12A copies whine noticably louder than the stock ceramics, but they run fine so far. Spool about 300RPM later.

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