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Old 06-25-2020, 10:04 AM #1
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The PlanEx 1JZ swap

I haven't been here in years but I have had a lot of people ask for a build thread since the swap is fairly novel. I plan to put this thread together slowly and justify some of the choices I made while presenting the other options that I had considered.


This is a link to a video that shows the truck in what is basically its current form. If you want to check out more, my instagram is @plan_ex and a lot of the build was shared there.

YouTube
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The PlanEx 1JZ swap-img_20200327_183600_858-jpg 
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Old 06-27-2020, 12:50 AM #2
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Awesome!!! How does it drive?

Appreciate that you posted once complete, not a thread talking about what swap to do and not completing it after pages of talk.
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Old 06-29-2020, 10:36 PM #3
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Engine Choice: Weighing Options

There are alot of popular engine swaps these days and I wanted to share why I chose this swap over some of the other options.

Swaps considered:
2JZ: Taller, more expensive
1JZ: Chosen
LS (LQ, etc): decided against it due to cost of everything downstream needing (my assessment) to be upgraded to support the low end torque.
K24: Will probably do this for a future build, wasn't as popular at the time and was worried about the costs of such a novel swap adding up
TDI: Not enough factory power for my desires, but the gas mileage would have been great
3RZ: Couldn't find one locally, Ebay options were nearly the price of 1JZ, not enough factory power

I wanted to swap something that had a ton of aftermarket support, that would allow me to use factory parts (not a ton of adapter plates and custom parts), and would be great at stock power levels. While some of these options are fantastic, the necessary custom parts needed to get them to work with a 5-speed transmission quickly broke the budget. I have always liked the sound of the 2/1JZ engines and their strength is legendary. I knew that I would be able to build it up over time to meet whatever power goals I could dream up.

At the time of purchase, a 1JZ was approximately $1000 cheaper than a 2JZ, and since this project was being done on a budget, I needed to save money where I could. The savings more than offset the cost of the clutch/flywheel, bellhousing, transmission and transfer case for this swap.

In the end I chose a 1JZGTE VVTI (JZS171) from Ebay from an importer that is no longer around. This engine has less information readily available than some of the previous generations, and if you are planning to keep the factory ECU I recommend going with a NON ETCSI engine, as this is often a source of difficulty during the swap (as it was for me)

From my research I knew that the engine would fit, I could raid the parts bin of Toyota's over the past 35 years and cobble together something that works. The entire drive-train is factory Toyota.

Full list of drive-train components used to follow.
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The PlanEx 1JZ swap-img_20190305_143005_548-jpg 
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Last edited by PlanetExpress; 06-29-2020 at 11:04 PM.
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Old 07-02-2020, 09:35 PM #4
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Quote:
Originally Posted by Cali 4runner View Post
Awesome!!! How does it drive?

Appreciate that you posted once complete, not a thread talking about what swap to do and not completing it after pages of talk.
It is an absolute riot. Tons of torque, better gas mileage than my 22re, and turbo noises.

This truck started off as a 22re 5-speed truck and I loved it.

limited slip front, Yukon grizzly rear locker, 4.88 gears, 35" STT Pro's and long travel. It was a fun truck but I always wanted more power. I had dealt with a blown head gasket once before on the truck, and when it happened again I decided to move on to something better.

Starting from a 22re made things a bit more convenient as there is a company called Xcessive Manufacturing that produces motor mount brackets for lots of common and some odd engine swaps. ONE OF THEM HAPPENS TO WORK!!!
MX73 JZ motor mount brackets

This saved me a ton of time trying to figure out mount brackets. They also are slotted to allow for about 3 inches of adjustment front to back.

I used GM transmission mounts as motor mounts.

Energy Suspension GM Transmission Mount
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Last edited by PlanetExpress; 07-02-2020 at 09:39 PM.
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