Just curious, is anyone out there ever put the legendary 2JZ twin turbo into an FJ40? Or has anyone seen one done? There would certainly be plenty of room.
It has been done. But it's not popular.
TL;DR: Let the go-fast kids keep them.
Longer answer:
I looked into this nearly 20 years ago, and there's a reason it's not common. 1st the 2JZ-GTE Twin Turbo was only offered in the US in 1 application, and not in all of those cars sold. So, those cars are very sought after, and getting a donor vehicle would be expensive. If you get one from overseas to save costs (and to keep from getting run out of town by an angry mob armed with torches and pitchforks for destroying a highly collectable car) that can save costs, but you're rolling the dice on a motor you've not seen run or done a compression test on.
2nd: For a stock TT 2JZ-GTE with manual transmission to be in the powerband while offroading, you need a LOT of gear reduction. In a SWB vehicle there are not a lot of options for that without having to stretch the wheelbase and swap the rear axle. You can mitigate this by using an Automatic (ZF8HP-75 comes to mind).
3rd: To rebuilt a TT 2JZ-GTE to get it in the powerband you'd want for offroading, you're changing quite a lot of stuff out, so you might as well start with something clapped out you can get cheap. But pricing out quality rebuild kits showed that this isn't cheap, and most of those rebuild kits are for people chasing top end power, not low end grunt, so you're going to need, at the very least, cu$$tom cam$$$ and to spec different turbos (I'd swap t compound turbos, rather than twin).
4th: The 'Big Brother' to the 2JZ=GTE is the 1FZ-FE and those swaps have been done as well, but after rebuilding the motor, adding a turbo, and doing all of the tuning etc, you've spent more than doing an LS swap for less power, and the domestic availability of those motors is dwindling.
5th: There are other swaps that can achieve the same or better results than a 2JZ-GTE for a fraction of the cost that would be better used for offroading.
LS
2UZ
M57
1HD-(F)T(E)
1FZ-FE
OM606
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