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Location:
Melbourne
Registered:
October 2003
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gen 2 or 3 1g-gte (green injectors) no ECU
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Sun, 09 October 2005 15:58
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I have a green injector 1g-gte, with the loom cut, hence no ECU plugs to tell weather or not it's 2'nd or 3'rd gen. Is there any other physical difference between gen 2 and 3 that I could use to work this out? engine numbers or casting no's etc? Engine is not in car, not has it been run so i can'r measure the boost. (and i need to know what model it is b4 so i can get the right computer)
Thanks! (i spent 2 hours searching and got nothing)
***
anyone with a spare mid-rear sump and/or the steel fabricated mounts pm me!, or computer (gen2 or 3 when i know) (doing ra23 conversion)
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I supported Toymods
Location:
Perth
Registered:
May 2002
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Re: gen 2 or 3 1g-gte (green injectors) no ECU
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Sun, 09 October 2005 22:35
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The Gen2 has yellow injectors. If you measure the distance between the bolts on the turbo inlet pipes, you should also be able to work it out because the Gen3 is slightly larger.
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I supported Toymods
Location:
Australia
Registered:
November 2003
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Re: gen 2 or 3 1g-gte (green injectors) no ECU
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Mon, 10 October 2005 00:54
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Gen3 blocks also have a big '1G' down on passengers side, rear of the block, at the bottom. Near where the gearbox brace is.
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Location:
Melbourne
Registered:
October 2003
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Re: gen 2 or 3 1g-gte (green injectors) no ECU
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Mon, 10 October 2005 15:56
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Just about the injectors, not saying ur wrong, but the FAQ on this site says
"Version 1: Yellow ECU plugs and Yellow injectors. 0.50bar / 7psi.
version 2: Yellow ECU plugs and pale Green injectors. 0.62bar / 9psi
Version 3: Grey ECU plugs and pale Green injectors. 0.75bar / 11psi"
meaning that both gen 2/3 have the green injectors, is that just a misprint, will have a look for the 1g on the block.
Thanks guys.
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I supported Toymods
Location:
Perth
Registered:
May 2002
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Re: gen 2 or 3 1g-gte (green injectors) no ECU
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Mon, 10 October 2005 22:29
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Gen2 is essentially a Gen1 with an air/air intercooler. My Gen2 has yellow injectors. If you stick a multimeter across the injectors, you'll find they are high impedence. The Gen3 didn't run a ballast resistor.
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Location:
Brisbane
Registered:
April 2003
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Re: gen 2 or 3 1g-gte (green injectors) no ECU
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Tue, 11 October 2005 01:42
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Visually... This is a gen 3
.jpg)
Cheers,
Kirk
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I supported Toymods
Location:
Perth
Registered:
May 2002
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Re: gen 2 or 3 1g-gte (green injectors) no ECU
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Tue, 11 October 2005 01:47
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That's not going to help unfortunatley Kirk, my Gen2 looks like that.
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Location:
Brisbane
Registered:
April 2003
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Re: gen 2 or 3 1g-gte (green injectors) no ECU
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Tue, 11 October 2005 01:53
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I was under the impression that gen 3 1g's had the oil filler towards the rear and that gen 2's were towards the front?
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I supported Toymods
Location:
Perth
Registered:
May 2002
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Re: gen 2 or 3 1g-gte (green injectors) no ECU
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Tue, 11 October 2005 01:58
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Nope, Gen2's and Gen3's both have the filler at the back to clear the air/air intercooler piping. The Gen1 and 1GGE's have it at the front as they don't have the piping to contend with.
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Location:
Brisbane
Registered:
April 2003
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Re: gen 2 or 3 1g-gte (green injectors) no ECU
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Tue, 11 October 2005 02:00
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Bugger... so visually everything is identical? I find that hard to believe.
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Registered:
May 2002
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Re: gen 2 or 3 1g-gte (green injectors) no ECU
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Tue, 11 October 2005 02:03
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dont worry so much. Just toss that torque deficient lump in the bin and get a 1J instead. No offence.
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I supported Toymods
Location:
Perth
Registered:
May 2002
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Re: gen 2 or 3 1g-gte (green injectors) no ECU
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Tue, 11 October 2005 02:07
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Not 100% visually the same. The injectors are a good start, the Gen3 ones will be green. The inlet pipes are also slightly larger on a Gen3, they are "fat" whereas the Gen2 ones are round. Aside from that, they look pretty much identical at a quick glance.
Oh, and Japspec, thank you for your infinite wisdom, you've contributed greatly to the conversation. Yeah, the 1G is horrible isn't it? 
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Location:
Melbourne
Registered:
October 2003
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Re: gen 2 or 3 1g-gte (green injectors) no ECU
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Tue, 11 October 2005 15:24
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thanks for that, yay mines a gen 3 then!, but with a front sump, need a mid-rear. Thanks for your help in id'ing the mighty beast.
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I supported Toymods
Location:
Perth
Registered:
May 2002
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Re: gen 2 or 3 1g-gte (green injectors) no ECU
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Tue, 11 October 2005 22:30
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If it has a front sump, it's most likely from a GX81 Chaser/MarkII. As for your front sump, PM Stefan on the forums, he may be interested in a swap.
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Registered:
May 2002
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Re: gen 2 or 3 1g-gte (green injectors) no ECU
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Wed, 12 October 2005 03:43
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| justcallmefrank wrote on Tue, 11 October 2005 11:37 |
Oh, and Japspec, thank you for your infinite wisdom, you've contributed greatly to the conversation. Yeah, the 1G is horrible isn't it?
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Ok so I was a little harsh. I guess I am relating the performance to heavier vehicles. Within a small car the 1G engine is a cost effective solution. I have had two imported 1G GTE powered supra's however. They were tops don't get me wrong but the motor just lacked the torque the 1J supplies so easily.
Best of luck though
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Location:
Tassie
Registered:
October 2003
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Re: gen 2 or 3 1g-gte (green injectors) no ECU
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Wed, 12 October 2005 04:37
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so you bought one and went
"i don't like this"
so u ent and bought another one just to make sure ?
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I supported Toymods
Location:
Perth
Registered:
May 2002
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Re: gen 2 or 3 1g-gte (green injectors) no ECU
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Wed, 12 October 2005 04:45
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| japspec wrote on Wed, 12 October 2005 11:43 |
I have had two imported 1G GTE powered supra's however. They were tops don't get me wrong but the motor just lacked the torque the 1J supplies so easily.
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Precisely the point, they are in the wrong application for a Mk3 Supra, stick them in a Mk2 Supra, and they go plenty fast 
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Location:
Adelaide, SA
Registered:
May 2002
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Re: gen 2 or 3 1g-gte (green injectors) no ECU
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Wed, 12 October 2005 04:50
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Nothing wrong with a 1g... just dont try use it in a barge!
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Location:
Perth W.A
Registered:
September 2004
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Re: gen 2 or 3 1g-gte (green injectors) no ECU
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Wed, 12 October 2005 08:00
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either that or just wind up the boost a plenty 
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Location:
Melbourne
Registered:
October 2003
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Re: gen 2 or 3 1g-gte (green injectors) no ECU
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Wed, 12 October 2005 10:07
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or i guess you could use 2 of them...
so anyway summing this up if someone could, the "articles" on this site need a defintate update (who edits them?)
* Only a Gen 3 will have a "1G" cast on the rear pass side of the block
* Gen 1 'gte has the oil filter at the front of the block, because of the space created by not having air-air cooler pipes. The 1g-ge too for the same reason.
* All gen 1's are W2A cooler, all gen 2/3 are Air air cooler.
* Gen 1's have yellow injectors
* Gen 2's have green or yellow injectors (low impedance/ballast)
* Gen 3's have green injectors, high impedance with NO ballast resistor
* Gen 3's intake piping differs from gen 2's as the pipes are slightly fatter and not round
feel free to amend/modify etc! Thanks!
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