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Location:
Sydney West, NSW
Registered:
August 2004
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1G-GTE Stock Boost Guage (in GZ20)
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Sat, 06 November 2004 00:49
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Does anyone know where the stock boost gauge in a Manual Soarer GZ20 with 1G-GTEU gets its reading from in the engine/piping?
As a side note where is the best place to get the reading from in a mechanical boost gauge? Before/after intercooler or before/after throttle?
Thanks.
Mikey.
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Registered:
March 2003
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Location:
Sydney West, NSW
Registered:
August 2004
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Re: 1G-GTE Stock Boost Guage (in GZ20)
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Sat, 06 November 2004 01:02
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No, it has a boost gauge in the manual.
See on the left of the dash with readings from -20 to +50 x10mm/Hg.
Mikey.
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Location:
Adelaide
Registered:
March 2003
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Re: 1G-GTE Stock Boost Guage (in GZ20)
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Sat, 06 November 2004 01:12
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must be a manual thing coz autos just have the gear thing there
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Location:
Sydney West, NSW
Registered:
August 2004
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Re: 1G-GTE Stock Boost Guage (in GZ20)
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Sat, 06 November 2004 01:15
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I know, that's why I specifically said manual.
Mikey.
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Registered:
March 2003
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Re: 1G-GTE Stock Boost Guage (in GZ20)
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Sat, 06 November 2004 02:32
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I have an 86 manual GZ20, I guess they started appearing in the later models. What year is your car?
It might be an electric gauge. Check for any electric sensor in any of the piping and manifold. Also check if there is a pipe coming off the manifold and running through the firewall.
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Location:
Sydney West, NSW
Registered:
August 2004
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Re: 1G-GTE Stock Boost Guage (in GZ20)
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Sat, 06 November 2004 12:42
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Mine is an 89 GT Twin Turbo Limited. I just assumed all manuals have a boost gauge as the autos have the Drive selector indicators (P R N D ...) in that place.
I had a good look around for some sort of electric sensor as I couldn't really find any sort of piping going through the firewall. I didn't find any, hence I resorted to posting this thread.
BTW is there an answer on where the best location to read boost is?
Mikey.
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Location:
South Eastern Subs
Registered:
March 2004
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Re: 1G-GTE Stock Boost Guage (in GZ20)
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Sun, 07 November 2004 11:29
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If you are fitting an aftermarket boost gauge the best place is on the manifold where all the vacum nipples are..you should find a spare unused one cover up...Thats how i did it..
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Location:
Sydney West, NSW
Registered:
August 2004
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Re: 1G-GTE Stock Boost Guage (in GZ20)
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Tue, 14 December 2004 08:14
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Just for those who may be interested in this subject.
I have found the electronic pressure sensor virtually on top of the driver strut. The tube is linked onto the Cruise control vacuum and leads to the intake plenum.
Mikey.
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Location:
Auckland, NZ
Registered:
April 2004
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Re: 1G-GTE Stock Boost Guage (in GZ20)
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Thu, 16 December 2004 06:09
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Are you sure thats not part of the cruise control system? My car is factory auto and I have that as well... a hard plastic vacuum line that runs off the plenum, back to the firewall and across to a unit that sits just behind the strut on the drivers side...
I pulled it out because apparently thats part of the cruise control actuation system...
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Location:
Darwin
Registered:
September 2003
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Re: 1G-GTE Stock Boost Guage (in GZ20)
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Thu, 16 December 2004 07:46
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i found mine also on the drivers side and it turbo sensor written on it with a hose outlet and three wires coming out of it
Ta Guy 
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Location:
south east - melbourne
Registered:
March 2004
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Re: 1G-GTE Stock Boost Guage (in GZ20)
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Thu, 16 December 2004 22:52
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SHIT UR DASH LOOKS DIFFERENT TO MINE , mines got the turbo indicator only (automtic)u also missing the normal/power option for the fuel also o/d switch(heheheheheh)  \
it would be good to see the boost gauge with all those lights in the night lolll
also anyone knows wtf is the scale change switch do
cheers mate
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Location:
Auckland, NZ
Registered:
April 2004
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Re: 1G-GTE Stock Boost Guage (in GZ20)
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Fri, 17 December 2004 00:03
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The scale change button changes the display of the fuel gauge to a "closeup" view of the last 2 bars... Its for keeping a closer eye on how much gas you have left once you're on the last two bars on the normal gauge... just press it and see.
Your car is auto, thats why its different to his... Oh to have a factory manual I guess...
Too bad, I'll just put up with mine... now back on the road after I replaced my selector fork... YAY for not having to fork out $1600 for gearbox rebuild or near $1000 for a stupid W57...
http://www.boost.org.nz/Newshit/Return%20Of%20Teh% 20Soarer1.jpg
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I supported Toymods
Location:
Australia
Registered:
November 2003
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Re: 1G-GTE Stock Boost Guage (in GZ20)
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Fri, 17 December 2004 00:33
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| gz20tt_manual wrote on Sat, 06 November 2004 09:02 |
No, it has a boost gauge in the manual.
http://users.tpg.com.au/mvlien/Dash.jpg
See on the left of the dash with readings from -20 to +50 x10mm/Hg.
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Yeah, but thats only 0.7bar or 9psi (ish)
You'd want to be pushing more than that wouldn't you?
And I'd actually say its a JDM thing, unless you car is Aus delivered.
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Registered:
March 2003
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Re: 1G-GTE Stock Boost Guage (in GZ20)
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Fri, 17 December 2004 02:27
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Scale change show's you how much petrol you have left once it gets under 10-15 litres.
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Location:
south east - melbourne
Registered:
March 2004
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Re: 1G-GTE Stock Boost Guage (in GZ20)
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Fri, 17 December 2004 03:14
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And I'd actually say its a JDM thing, unless you car is Aus delivered.
[/quote]
since when were the soarers locally delivered
the scale cjange thingy so that what those numbers are there for , was wondering why so the numbers im guessing are the fuel in liters i think it goes to 15 doesnt it or was it 20
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I supported Toymods
Location:
Australia
Registered:
November 2003
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Re: 1G-GTE Stock Boost Guage (in GZ20)
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Fri, 17 December 2004 03:20
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| indian wrote on Fri, 17 December 2004 11:14 |
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And I'd actually say its a JDM thing, unless you car is Aus delivered.
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since when were the soarers locally delivered
the scale cjange thingy so that what those numbers are there for , was wondering why so the numbers im guessing are the fuel in liters i think it goes to 15 doesnt it or was it 20
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Oh, I take it all of them are JDM?
So yeah, must be a late model manual thing.
And yes the number on the fuel guage after scale change refer to the amount of litres left in the tank. I'd say almost all digital Toyota dashes do this.
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Location:
sunny coast, qld
Registered:
October 2002
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Re: 1G-GTE Stock Boost Guage (in GZ20)
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Fri, 17 December 2004 03:20
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i thought it was percentage ie. 10% of 60L tank is 6L. seemed more like 6L than 10L to me
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Registered:
March 2003
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Re: 1G-GTE Stock Boost Guage (in GZ20)
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Fri, 17 December 2004 03:27
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Are you sure it's a percentage?
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Location:
south east - melbourne
Registered:
March 2004
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Re: 1G-GTE Stock Boost Guage (in GZ20)
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Fri, 17 December 2004 03:29
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yeah cool man ,
im thinking its liters as well , but then i worked out that 1 bar on the normal scale gets around 50k and then starts to drop lower as the fuel gauge gets ower (as in 45 in the second , 43 in the third and so on)
so it could very well be percentage as well , but then if it were then toyota would have mentioned in percentage like they do in the rpm meter and speedo and boost gauges and all
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Location:
sunny coast, qld
Registered:
October 2002
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Re: 1G-GTE Stock Boost Guage (in GZ20)
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Fri, 17 December 2004 06:16
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nah, not positive but I seemed to get 60kms from the last 10 minibars. so...?
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Location:
south east - melbourne
Registered:
March 2004
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Re: 1G-GTE Stock Boost Guage (in GZ20)
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Sun, 19 December 2004 21:33
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lol ur cars is a good girl then mines high maintenance in terms of fuel , needs a good tune though , and i think the thermostat being open all the time had something to do with it , havent checked it after as i lost my licence 
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I supported Toymods
Location:
Australia
Registered:
November 2003
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Re: 1G-GTE Stock Boost Guage (in GZ20)
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Mon, 20 December 2004 00:30
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| Chris Davey wrote on Fri, 17 December 2004 11:20 |
i thought it was percentage ie. 10% of 60L tank is 6L. seemed more like 6L than 10L to me
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Yes, looking at the guage today, IT IS a percentage.
I have 10 bars on the full guage, and when only the last bar is lit up, I have bars up to the 10 mark on the small scale, so 10%.
Bit scary that I was driving around with only 3 bars on, or 3L in the tank.
wh00ps, hehehe.
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Location:
Sydney West, NSW
Registered:
August 2004
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Re: 1G-GTE Stock Boost Guage (in GZ20)
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Sun, 13 February 2005 10:33
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It was too hard to get pic with no flash etc. So I took a video of it boosting.
http://users.tpg.com.au/mvlien/boost.mpg (1.0 MB)
Enjoy.
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