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Old 01-18-2023, 12:23 AM   #1
Bibsta
 
Drives: 08 YRS 1.5L Man
Join Date: Sep 2022
Location: Perth
Posts: 3
Swapping 2NZ-FE(ex Auto) into 1NZ-FE (man)

Hi All

Done alot of searching and not found many definitive answers on this subject.

Best/most relevant posts appear to be those below from 2009 and 2017 respectively.

I have a manual 06 Yarris 1NZ-FE and am looking to swap in a younger mileage 2NZ-FE from another 06 donor car equipped with an auto trans.

Does anyone know if there are any parts specific to the donor vehicle 2NZ-FE that will be needed to go on my 1NZ-FE manual?

Only the engine is being changed 2NZ-FE --> 1NZ-FE. The posts below appear to suggest the only change required is the long block/motor with no other physical/electrical changes.

Does anyone have the experience to confirm this?

See relevant posts below. Apologies if this subject has been covered elsewhere and I have missed it when searching.

https://www.yarisworld.com/forums/sh...=1nz-fe+2nz-fe

https://www.yarisworld.com/forums/sh...=1nz-fe+2nz-fe.

Thanks, Bibsta.
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Old 01-18-2023, 03:16 AM   #2
sh0rtlife
 
Drives: 2007 5dr canadian import
Join Date: Dec 2016
Location: pacific north WET
Posts: 644
its a considerable drop in performance.....

https://en.wikipedia.org/wiki/Toyota_NZ_engine#2NZ-FE
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Old 01-18-2023, 04:38 AM   #3
Bibsta
 
Drives: 08 YRS 1.5L Man
Join Date: Sep 2022
Location: Perth
Posts: 3
Quote:
Originally Posted by sh0rtlife View Post
its a considerable drop in performance.....

https://en.wikipedia.org/wiki/Toyota_NZ_engine#2NZ-FE
Duly noted.

Kind of predicting that w the current "performance" of my aged 1NZ-Fe it may not be very noticeable. It has ~400K kms, some oil usage, puffs blue smoke at start up and is.. fairly weak.

Fairly weak - i.e. 1. Will marginally make it up/ascend my steep driveway when warm. 2. An additional person of normal adult size make ascent of subsequent hillside road a further marginal outcome.

ps good to know ppl still use internet forums I had my concerns
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Old 01-18-2023, 01:04 PM   #4
sh0rtlife
 
Drives: 2007 5dr canadian import
Join Date: Dec 2016
Location: pacific north WET
Posts: 644
at that milages its not even close to old yet...many go 300-400,000 MILES before being weak and having issues...so you will likely notice a significant drop in power
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Old 01-19-2023, 01:47 AM   #5
Bibsta
 
Drives: 08 YRS 1.5L Man
Join Date: Sep 2022
Location: Perth
Posts: 3
Quote:
Originally Posted by sh0rtlife View Post
at that milages its not even close to old yet...many go 300-400,000 MILES before being weak and having issues...so you will likely notice a significant drop in power
Fair point. This one uses oil / fouls plugs after 5K kms or so, then starts to hesitate under acceleration. Maybe it got neglected in a past life. I got it cheap at auction.

I'm familiar w/ the 2NZ-FE a family member has it in an 05 aus compliance Echo. Its definitely not as strong as the 1.5/1NZ-FE as I have also had the 1NZ-FE in an aus compliance automatic Echo Sedan.

To me it feels like my 400K ms old 1NZ-Fe is about as powerful as the healthy 2NZ-FE w/ 150K kms on it.

And that would be fine bc I drive for economy not performance. I drive it like a little old lady trying to fuel miser it. not bc I need to but bc its good for the planet and bonus - the wallet.

Looks like a very undesirable swap and no one has alot of knowledge on it. if people have done the swap going the other way (2NZ-FE --> 1NZ-Fe chasing better performance, is there any knowledge out there on parts compatibility?

I am planning using the 2NZ-FE long block sans all accessories with all of the parts and accessories from the 1NZ-FE currently in my car.

Thanks, Bibsta.
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