3.4 Swaps The 3.4 V6 Toyota engine

3.4L 2WD into 3.0L 4WD?

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Old Dec 3, 2012 | 06:07 PM
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3.4L 2WD into 3.0L 4WD?

is it possible, i mean im sure you can its just a matter of figuring out what to do with the 4WD wiring into the 3.4 ECM right? any ideas?
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Old Dec 3, 2012 | 07:41 PM
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bump. ALSO does someone have a link to a thread that does some heavy explaining on the hole in the hood needed for the 3.4 swap?
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Old Dec 4, 2012 | 02:35 PM
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i imagine all it would be is the 4wd wiring BUT you still need a 4x4 ECU. it is highly recommended that you use the ECU from your donor. i think some guys have done it. The hood hole cutting doesn't take much explaining, you can feel where the hood is touching when it is "closed" partially then just sharpie where it doesnt feel to be touching. check out my swap thread to get a picture.
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Old Dec 6, 2012 | 06:12 PM
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yes it is possible. Look at wiring diagrams to figure it out. Auto/Man 2x4 4x4...dont matter the ecu will run a 3.4 just have to be prepared to cut corners or lose features by not using the correct ecu to fit your setup...im swapping in a 1997 2wd auto 3.4 in my 1991 manual 4x4 3.0...plan on tricking the neutral position switch and as for the 2x4 4x4 you will just lose the 4wd indicator light in your dash but its still going to work because its all mechanical not computer controlled.
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Old Dec 7, 2012 | 03:31 AM
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Originally Posted by Gisselberg
yes it is possible. Look at wiring diagrams to figure it out. Auto/Man 2x4 4x4...dont matter the ecu will run a 3.4 just have to be prepared to cut corners or lose features by not using the correct ecu to fit your setup...im swapping in a 1997 2wd auto 3.4 in my 1991 manual 4x4 3.0...plan on tricking the neutral position switch and as for the 2x4 4x4 you will just lose the 4wd indicator light in your dash but its still going to work because its all mechanical not computer controlled.
Not fully correct.

You can run a 2wd ecu just fine and still retain 4wd light.
The ecu does get a signal from the transfercase switch but I don't know exactly what it does. It will run okay though.
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Old Dec 7, 2012 | 05:04 PM
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we have a cool hood soop .. here's the install
https://www.yotatech.com/forums/f209...runner-239487/

in Canada

.
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Old Dec 8, 2012 | 02:55 PM
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Originally Posted by slacker
we have a cool hood soop .. here's the install
https://www.yotatech.com/forums/f209...runner-239487/

in Canada

.
Agreed that is a killer hood scoop. whats the total cost with shipping to Edmonton roughly? i assume the template to cut the hood would come with the scoop?
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Old Dec 8, 2012 | 03:19 PM
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pm me your postal info , and i'll get you a quote

and no , the art paper dosnt come with it , easly obtainable a STAPLES for about 2 bucks


.
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Old Dec 9, 2012 | 06:21 AM
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From: Austin Tex
Was wondering what to do about the hood because im going without a body lift...thats a great looking scoop.
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Old Dec 9, 2012 | 06:47 AM
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Originally Posted by Gisselberg
Was wondering what to do about the hood because im going without a body lift...thats a great looking scoop.
well for now i picked up a $40 scoop from walmart, not sure if itll be enough or not, but ill make it work till i can afford that nice scoop posted above.
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Old Dec 9, 2012 | 03:56 PM
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Originally Posted by Gisselberg
Was wondering what to do about the hood because im going without a body lift...thats a great looking scoop.
and functional , if you cut the hood


.
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