There are some 4WD Fortuners here, so I wonder
what do I need to do the conversion? (remember, labor fees are super cheap here compared to the US, about 1% of what you pay for labor in the US) The 4WDs have a Torsen LSD at the center diff and is a full time 4wd design. However, we kinda got shafted by the taxation system which essentially ruled out the 3.0 turbo diesel version. We only got the normally aspirated 2.5 diesel (which is weak as poo, I know because a lot of Innova MPVs have it).
How much mud and flood are we talking about here? How deep?
Some areas have as much as 10-30cm of mud and 70-100cm of water (ok 30cm and 100cm is pushing it and only at very few areas, the low end of those range is more typical). The stock specs for wading depth are 50cm, approach angle is 30, breakover 25, departure is also 25 degrees.
Some tires with an aggressive tread would be a good start. What bra

nd/style are on it now?
Standard, which is Michelin Cross Terrain 265/70/R16.
Cross Terrain SUV: SUV/Crossover: Tires: Michelin Tires
Ride height is standard also, but as I've stated above, with Bilstein shocks, standard springs.
How far are you willing to go with this ride? Are you making payments? A manual trans swap would give you some of your power back. The auto just eats up power.....
Don't the torque converter in an auto actually delivers more torque at low engine rpm? Payments will be done in few months.
I'll get some pics tomorrow, hopefully. I still don't know how far I'm going to go with this ride. I might trade it for something else if nothing could improve the performance, or just relegate it to street use and buy another SUV = more payments
But hey, it works well for doing the mall-SUV thing because it has third row seats! Rivals mid-size MPVs for transporting people! Plus I've installed high end audiophile grade (almost competition grade) sound system in it... just add some DVD players and screens... lol...

*sigh*