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Location:
Sunshine Coast
Registered:
January 2005
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1JZ install in GZ20 Soarer
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Wed, 20 April 2005 23:49
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Hi everyone... this is my first post in the tech area of these forums...
ok i have spun the main bearing in my 1GGTE and therefore it is probably the best opportunity i will have to fit a 1jz, i have read a lot in this thread about other 1j conversions and there seems to be a phenomenal knowledge base as it finds its way into all sorts of cars!!!
i realise that this is not going to be a walk in the park as i cannot afford a half cut so i was wondering if anyone could help me out with what else i will need to get this thing in and running, please any tips or suggestions would be GREATLY appreciated 
So far i have in my possesion or at least with a deposit on them
1jz motor running gear but no loom
have a W58 gearbox
Bellhousing to suit including clutch pressure plate etc
Jza70 crossmember... needs new mounts
jza 70 front brake assembly
Man 1jz ecu
i need a wiring loom... anyone???
any help would be great.
allready have front mount and all that in gz so do i also need fuel pump mods? anything else i need?
Cheers Matt
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Location:
Sunshine Coast
Registered:
January 2005
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Re: 1JZ install in GZ20 Soarer
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Thu, 21 April 2005 09:52
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anyone?
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Location:
melb
Registered:
February 2005
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Re: 1JZ install in GZ20 Soarer
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Thu, 21 April 2005 12:32
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Igniter?
Boost/map sensor?
MATT.
P.S we can build a custom loom if you want.
b/h (03)9720-3177
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Location:
Sunshine Coast
Registered:
January 2005
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Re: 1JZ install in GZ20 Soarer
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Thu, 21 April 2005 18:59
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ok i thought that i was going to be still missing an igniter... what is a boost map sensor? and also an rough estimates on the cost of building a custom loom? i would love to do it but i have the feeling it is going to be expensive.
cheers
matt
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Location:
Perth
Registered:
August 2003
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Re: 1JZ install in GZ20 Soarer
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Thu, 21 April 2005 19:13
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just fix the 1g
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Location:
Central Coast, NSW
Registered:
February 2005
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Re: 1JZ install in GZ20 Soarer
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Thu, 21 April 2005 23:40
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| jackel wrote on Fri, 22 April 2005 05:13 |
just fix the 1g
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is there an explanation for this?
Why would you want to discourage someone going 1J? 
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Location:
Perth
Registered:
October 2003
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Re: 1JZ install in GZ20 Soarer
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Thu, 21 April 2005 23:55
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I have an igniter. If you want to buy it PM me 
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Location:
Adelaide, SA
Registered:
May 2002
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Re: 1JZ install in GZ20 Soarer
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Thu, 21 April 2005 23:57
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A freshly rebuilt engine is always better than a "low km import" engine 
Better = more reliable, not always more powerful
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Location:
Sunshine Coast
Registered:
January 2005
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Re: 1JZ install in GZ20 Soarer
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Fri, 22 April 2005 02:35
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but i wanted to put a 1J in it anyways... so why not now?
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I supported Toymods
Location:
Adelaide
Registered:
July 2004
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Re: 1JZ install in GZ20 Soarer
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Fri, 22 April 2005 03:13
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Be warned, the wiring can be a pig. Due to the lack of wiring diagrams for the GZ20 or GA70s.
But all is not impossible
--takai from Mr1G's login
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Location:
Sunshine Coast
Registered:
January 2005
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Re: 1JZ install in GZ20 Soarer
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Fri, 22 April 2005 04:49
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thank you for the warning... extra care will now be taken before everything is pulled apart... so OK anyone know where i can get my hands on a loom and also wiring diagrams... got an igniter now pending reply to pm
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Location:
Perth
Registered:
October 2003
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Re: 1JZ install in GZ20 Soarer
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Fri, 22 April 2005 06:05
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I think you can find 1J diagrams in the tech docs.
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Location:
Sunshine Coast
Registered:
January 2005
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Re: 1JZ install in GZ20 Soarer
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Fri, 22 April 2005 07:07
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thanks man
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Location:
sunny coast, qld
Registered:
October 2002
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Re: 1JZ install in GZ20 Soarer
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Fri, 22 April 2005 10:07
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www.1jzgte.us I think it is for heaps of 1jz diagrams. If you are after a chaser wiring diagram they seem to be quite difficult to find. I would think that you would be after a jza70 one though. No idea about gz20 wiring though. Speak to Danish as he has done it and I suppose someone must be wiring Mr 1ggte's soon as well.
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Location:
Adelaide
Registered:
May 2003
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Re: 1JZ install in GZ20 Soarer
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Fri, 22 April 2005 10:48
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Yeah, im wiring MR1Gs, its a royal pain in the arse. Especially if you ahve a cut loom :S And a digidash to deal with :S
Let me repeat it again, wiring these things up is arse on a monumental scale.
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Location:
Perth
Registered:
October 2003
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Re: 1JZ install in GZ20 Soarer
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Fri, 22 April 2005 15:20
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Stop whinging and get back to wiring that car!
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I supported Toymods
Location:
Adelaide
Registered:
July 2004
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Re: 1JZ install in GZ20 Soarer
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Fri, 22 April 2005 16:26
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| Skip wrote on Sat, 23 April 2005 00:50 |
Stop whinging and get back to wiring that car!
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yeah chris stop lazing about 
j/k man
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Location:
Sunshine Coast
Registered:
January 2005
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Re: 1JZ install in GZ20 Soarer
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Fri, 22 April 2005 22:37
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ok will look into that site when i have a little more time... thank you very much for all the suggestions guys and i am waiting for danish to come online as i rudely just added him to msn. Anyone else with any info they want to impart or just talk some sh1t feel free to add ME on nitnat79@msn.com
cheers everyone
Matt
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Location:
Brisbane
Registered:
February 2003
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Re: 1JZ install in GZ20 Soarer
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Sat, 23 April 2005 00:47
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| Chris Davey wrote on Fri, 22 April 2005 20:07 |
www.1jzgte.us I think it is for heaps of 1jz diagrams. .
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the URL is infact <http://www.1jzgte.com/> but great find chris - we can use it to confuse wilbo even further with his attempts to identify the auto-g/box stuff in his engine loom
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Location:
Sunshine Coast
Registered:
January 2005
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Re: 1JZ install in GZ20 Soarer
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Sat, 23 April 2005 01:31
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awesome.. thanks so much that is going to definitely help.. thank you again
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Location:
Melbourne
Registered:
March 2003
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Location:
Sunshine Coast
Registered:
January 2005
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Re: 1JZ install in GZ20 Soarer
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Sun, 24 April 2005 04:48
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ECU. why does that have a question mark behind it bb?
as for the sump? have we found out if it is front sump? that is what i need yeah?
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I supported Toymods
Location:
Adelaide
Registered:
July 2004
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Re: 1JZ install in GZ20 Soarer
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Sun, 24 April 2005 05:02
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rear sump will botl straight into a GZ20 as long as you modify the engine mounts or get custom urethane ones
Gbox X member will line right up too
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Location:
Sunshine Coast
Registered:
January 2005
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Re: 1JZ install in GZ20 Soarer
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Sun, 24 April 2005 05:20
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awesome news.... thanks mate
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I supported Toymods
Location:
Adelaide
Registered:
July 2004
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Re: 1JZ install in GZ20 Soarer
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Sun, 24 April 2005 05:41
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yeah I was well chuffed when i found out it fit too
you will need a custom tailshaft tho, the measurements for mine were 1295mm from the start of the output spline seal on the gearbox to the start of the yoke of the diff, fit like a glove too
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Location:
Sunshine Coast
Registered:
January 2005
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Re: 1JZ install in GZ20 Soarer
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Sun, 24 April 2005 05:47
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ummm... i am keeping the W58 till it dies a horribly silvery grinding noisy death mate
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I supported Toymods
Location:
Adelaide
Registered:
July 2004
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Re: 1JZ install in GZ20 Soarer
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Sun, 24 April 2005 05:49
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oh ok, then i dont know if the GB X member will line up correctly, I know it did with my R154, the W58 might be another story tho 
might need a custom mount or some more holes
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Location:
Sunshine Coast
Registered:
January 2005
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Re: 1JZ install in GZ20 Soarer
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Sun, 24 April 2005 05:57
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ah ok... well that is something to bear in mind and allow cash for then :S
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Location:
Melbourne
Registered:
March 2003
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Re: 1JZ install in GZ20 Soarer
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Sun, 24 April 2005 06:27
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ECU is dependent on loom that you get
The ecu you have available is from a JZZ30, if you get a JZA loom you will need a JZA ecu. HTey have different pinout configurations AFAIK.
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Location:
Sunshine Coast
Registered:
January 2005
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Re: 1JZ install in GZ20 Soarer
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Sun, 24 April 2005 07:23
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ah ok with ya now
that makes a lot of sense
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Location:
cronulla
Registered:
September 2002
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I supported Toymods
Location:
Adelaide
Registered:
July 2004
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Re: 1JZ install in GZ20 Soarer
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Sun, 24 April 2005 14:40
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Mine bolted in using a GZ20 X member
I had to modify the mounts becuase the angles on them were a bit too extreme, now they sit just nicely
so BEFORE YOU FLAME OTHERS MAYBE FIND OUT ALL THE DETAILS...why spend the extra $1000 on a front cut if you dont need it
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Location:
cronulla
Registered:
September 2002
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Re: 1JZ install in GZ20 Soarer
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Sun, 24 April 2005 15:32
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not flaming man, and the comments arent personal, I have been pmed/emailed by many people who are halfway through the conversion having issues and have had custom everything made and have wasted countless dollars. not sure what your sitch was.
my half cut cost me 1500 dollars all up after I paid for it and then sold all the bits I didnt need. and im am continually surprised by the amount of people that attempt this conversion before finding out the basic fact that the MZ and MA/JZA chassis are identical and that a JZA70 halfcut makes for a bolt in job.
Itt may be a little cheaper not to buy a halfcut but jacking the car and halfcut up and wheeling crossmeber out of one and into another then lowering the body onto it and bolting it all up is alot easier than the alternative methodsthat can be had. ( and for those that whinge of not having a hoist, this was done with stands and trolley jacks.
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Location:
Sunshine Coast
Registered:
January 2005
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Re: 1JZ install in GZ20 Soarer
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Mon, 25 April 2005 00:20
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awesome news. and yes i had already gone out and got the JZA70 crossmember as i had heard that this made things a LOT easier. but thank you for all your tips and suggestions everyone as i DID ask for anyone and everyone to tell me what they new that would help. thanks again. and JAZE... when are you on msn man?
cheers
Matt
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I supported Toymods
Location:
Adelaide
Registered:
July 2004
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Re: 1JZ install in GZ20 Soarer
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Mon, 25 April 2005 08:23
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sorry for getting all arky about it, its just i got the impression you were reffering to my posts as crap, as I have just finished the installation and unbelivably it all fits with only some minor modifcations to the stock JZA70 engine mounts
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Location:
sydney, turramurra
Registered:
April 2005
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Re: 1JZ install in GZ20 Soarer
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Mon, 25 April 2005 15:47
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hey mate
im doin the same conversion and yeh the 1j slips str8 in cause it uses the same engine mounts which means u dont even have 2 engineer the new engine!!!
the only hard part is the wiring and the newer soarers which have the 1j stock have the same size dash as the gz's etc so if u also swap the dash's it will b easier 4 wiring
Nathan
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Location:
Central Coast, NSW
Registered:
February 2005
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Re: 1JZ install in GZ20 Soarer
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Sat, 07 May 2005 09:02
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it doesn't have to be engineered??!
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I supported Toymods
Location:
Adelaide
Registered:
July 2004
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Re: 1JZ install in GZ20 Soarer
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Sat, 07 May 2005 09:04
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it does have to be engineered becuase the car never came with that engine from the factory
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Location:
Central Coast, NSW
Registered:
February 2005
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Re: 1JZ install in GZ20 Soarer
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Sat, 07 May 2005 09:05
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| MR 1JZ wrote on Sat, 07 May 2005 19:04 |
it does have to be engineered becuase the car never came with that engine from the factory
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That's what I thought
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Location:
sydney
Registered:
March 2003
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Re: 1JZ install in GZ20 Soarer
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Sat, 07 May 2005 10:12
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dont try to get soemone to make u a loom it might cost u more than the engine
i dont know why people buy things incomplete but i dont know the reasons for this one so ill let u off
most of th etime i find buying a complete set is cheaper if u look at the time wasted and the price of parts seperately
anyway a 2nd hand loom might be worth anyhting around 300 dollars to 400 dollars
especially if theres not many around
if u are looking for a loom to be made then i could possibly make u one but u might be looking at around 700 to 800 to get one made and that does not include wiring it to yr car
and u would need all the plugs for injectors tps ignitor etc
so i hope u slowly start to see why not to buy seprate
unless u are goin aftermarket ecu
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Location:
Toronto, Downtown
Registered:
September 2004
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Location:
Sunshine Coast
Registered:
January 2005
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Re: 1JZ install in GZ20 Soarer
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Tue, 17 May 2005 19:14
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wow, well i got the motor cheap from friends of my bro's and also the loom has come in as not too expensive either! really i have managed by whining whinging and crying/begging to get some half decent deals from the internet and if this conversion is ever done one day i will post up a complete break down of the price for people on here that are thinking of going the same route!
so changing the dash as well? i wondered about this! now do i need to get the dash to suit the Loom? ie JZA70 dash to suit JZA loom? or can a JZZ30 dash work with JZA loom?
cheers
Matt
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Location:
sunny coast, qld
Registered:
October 2002
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Re: 1JZ install in GZ20 Soarer
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Wed, 18 May 2005 04:17
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The correct site was http://www.1jz-gte.us/92Supra6.html
sorry about that.
Hmm, I wouldn't bother about swapping dashes as you are not even sure if either of those would physically fit in. I think it is more trouble that it is worth personally.
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Location:
Sunshine Coast
Registered:
January 2005
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Re: 1JZ install in GZ20 Soarer
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Wed, 18 May 2005 09:33
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they would probably fit! but as you said... more work. i can always get a "colour" kit put thru my gz one
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