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  SoarerCentral * General Soarer Chat * 94 JZZ31 + 1JZ or 2JZ transplant. Work involved? Previous Previous    Next Next  

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Cihan Aday
DieHard
Victoria
JZZ30

Posts: 794
Reg: 07-2005

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Friday, May 12, 2006 - 06:11 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)

Hi guys,
My friend recently purchased a damaged 31 with a 2JZ-GE as expected, in auto (also as expected).
Ive advised him that its not exactly going to be a straight forward swap. He bought the car for very cheap on the grounds that the swap would be feasible.

We thought about it and concluded that it should'nt be such a big deal once the engines in if we use the respective engines management, use custom throttle/cruise cables and swap a few things over. The donor 1j/2j would need to come from a soarer front cut, and the fuel pump and fp. ecu would be changed over. Engine mounts would be jza80 items as one is damaged.

Is there anything that he should be made aware of specifically? And what are your thoughts.

Cheers,
Cihan.

ps. i've used search, i couldn't find anything usefull. Surely this question would have been asked before though.
Cihan Aday
DieHard
Victoria
JZZ30

Posts: 795
Reg: 07-2005

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Friday, May 12, 2006 - 06:16 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)

Oh, and he already has a 1JZ with a rooted bottom end (tick tock tick tock) coupled to a good transmission that came as part of the deal.

He suggested a 1.5JZ, but i said he's better off buying a 2JZ and doing a complete swap. At this moment in time, he has 2 x 2JZ-GE's, both in working condition with auto boxes attached and a 1JZ with auto box attached. The 1JZ has turbo's, but the block is suspected to be damaged.

Im wondering what he can re-use from the jzz31 as everything in the engine bay is intact and the car is drivable.

Callum Finch
Goo Roo
WA
Soarer TT

Posts: 1158
Reg: 09-2005

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Friday, May 12, 2006 - 07:34 pm, by:  Callum Finch (Sigeneat) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

Its difficult and esspensive to turbo up a 2jz-ge i am told...
Cihan Aday
DieHard
Victoria
JZZ30

Posts: 796
Reg: 07-2005

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Friday, May 12, 2006 - 09:36 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)

A swap should be cheaper, thats what he's considering.
Callum Finch
Goo Roo
WA
Soarer TT

Posts: 1162
Reg: 09-2005

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Saturday, May 13, 2006 - 01:58 am, by:  Callum Finch (Sigeneat) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

Swap the entire engine? 2jz-ge is the na one right? Wouldnt that mean a decrease in power?

...i dont follow? o.O
Simon Triantafillou
DieHard
NSW
Soarer Turbo

Posts: 697
Reg: 07-2005

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Saturday, May 13, 2006 - 09:31 am, by:  Simon Triantafillou (Soarer) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

It's already a 2JZ-GE, so it won't be a drop in power at all. It's a JZZ31.
Daniel Rinaldi
Newbie
Victoria
Soarer 3.0L/Prelude

Posts: 1
Reg: 04-2006

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Saturday, May 13, 2006 - 10:10 am, by:  Daniel Rinaldi (Fasen8er) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

hi guys, what he meant was i want to put in a 2jz-gte :-). It should be a straight forward swap but as cizza said little things like throttle cables, any electrical etc.
Ben Vandie
TryHard
Vic
JZA80 Supra

Posts: 115
Reg: 08-2005

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Saturday, May 13, 2006 - 12:48 pm, by:  Ben Vandie (Vandie) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

get your hands on a 1jzgte loom, and you will be able to run a 2JZGTE with out any modifications to the wiring (although tacho signal will have to be adapted as the 2JZGE has a distibuter)
Unfortunatly this method of wring means you lose the sequential operation of the 2JZGTE turbo chargers.
You can wire in the 2JZGTE loom into the soarer, it will cost about $1000 though
Cihan Aday
DieHard
Victoria
JZZ30

Posts: 802
Reg: 07-2005

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Sunday, May 14, 2006 - 06:12 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)

Cheers Ben.
Wiring in the loom sounds expensive, again - something to consider when doing these things.

Probably the cheapest option is a straight 1JZ-GTE swap.

And sorry about the completely scattered initial post, i read over it and its hard to keep track of what i meant. I meant 2JZ twin turbo, as daniel pointed out.
Paul Brockbank
DieHard
WA
Soarer TT

Posts: 602
Reg: 07-2005

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Monday, May 15, 2006 - 01:20 pm, by:  Paul Brockbank (Brockas) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)


Callum Finch wrote on Friday, May 12, 2006 - 07:34 pm:

Its difficult and esspensive to turbo up a 2jz-ge i am told...



I suggest you need Mark Twain's advice; "It is better to be silent and be thought a fool, than to speak and remove all doubt."
Ben Evans
TryHard
Qld
"Master Power" Turbo 1J With Xtras

Posts: 491
Reg: 07-2005

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Tuesday, May 16, 2006 - 01:50 am, by:  Ben Evans (Sbyder) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

just bolt the 1J head on the 2JZGE bottom end... should fit..?...?

That way you'll have a 1.5J using the parts you already have.

Im assuming the car is damaged, not the 2J?
Cihan Aday
DieHard
Victoria
JZZ30

Posts: 809
Reg: 07-2005

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Tuesday, May 16, 2006 - 05:32 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)

Ben the blocks aren't the same, it needs low comp pistons and associated hardware, oil pump mods and practically a rebuild. Theres your labour money right there.

Im not sure what Daniels planning on doing, but a 1JZ conversion is the cheapest and most effective in the long term.
Daniel Rinaldi
Newbie
Victoria
Soarer 3.0L/Prelude

Posts: 2
Reg: 04-2006

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Tuesday, May 16, 2006 - 10:43 pm, by:  Daniel Rinaldi (Fasen8er) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

After some long thinking i do love the nature of the 1jz and it definitely works with my budget. I can still see issues with this conversion. What am I to expect?
Drew Hiron
Tinkerer
Queensland
Soarer TT

Posts: 74
Reg: 08-2005

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Wednesday, May 17, 2006 - 05:09 pm, by:  Drew Hiron (Frag) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

the 2JZ-GE block will be ok, will need some drilling for oil and water holes however.
http://www.supraforums.com.au/forum/showthread.php?t=18810

Its a cheap way to get the longer block. I think the rods "may" be the same on the GE as the GTE but the pistons surely aren't.

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