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Matthew Francis
Newbie
South Australia
Soarer TT JZZ30

Posts: 2
Reg: 04-2007

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 Wednesday, April 11, 2007 - 06:01 pm, by:  Matthew Francis (Francis) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)
just wondering what is the SAFE maximum level of boost you can run on a GZ20 2.0L TT (1G-GTEU)the model with yellow injectors?
Blake Noonan
Newbie
NSW
GZ20 1GG-TEU

Posts: 1
Reg: 07-2007

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 Monday, July 23, 2007 - 06:15 pm, by:  Blake Noonan (Dr_iftx) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)
i would like to know the same hey :-)
Ryan Pollard
Tinkerer
QLD
GZ20 Soarer

Posts: 31
Reg: 05-2006

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 Monday, July 23, 2007 - 07:06 pm, by:  Ryan Pollard (Gztwenty) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)
Couldn't tell you to be honest. The yellow injectors I'm guessing are 350cc (ish).
I'd like to know what the safe boost levels are for both the 1JZ turbos and the 1JZ engine are though.
Andrew Ferres
DieHard
WA
'86 Cressida V8, '84 Soarer V8, '90 C-F Celsior V8

Posts: 682
Reg: 07-2005

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 Monday, July 23, 2007 - 09:15 pm, by:  Andrew Ferres (Peewee) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)
The ECU can handle about 17psi with an AFM tweak, but the stock turbos wont do that for long.

The motor will handle over 20psi if the tune is right (and the motor is in good nick).

Injectors are 295cc.
Jerzy Stopczynski
Tinkerer
Westarn Australia
Gz 10 Soarer, ma70 Supra

Posts: 79
Reg: 12-2006

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 Tuesday, July 24, 2007 - 10:33 pm, by:  Jerzy Stopczynski (Stomps) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)
i've been running around 18psi for a while now on my 1g, with different turbo though.. even at 18psi it runs rich... i havent tuned mine yet but will soon, i will let you know of reliability and power as soon as i do...

Stomps

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