Hi David,
Is your Toyota auto or manual? this will be the deal breaker for me, with no low range gears and a manual box, its very easy to fry the clutch driving in sand - this is where an auto box shines, but you still have to be careful not to overheat an auto gearbox too.
For tyres, you can gain some ground clearance and make the vehicle better on sandy tracks by using slightly taller tyres - not wider, wider will increase your rolling resistance. Taller and possibly narrower tyres aired down will elongate the footprint and decrease resistance. For instance you could go up from a 65 to a 70 or 75 profile as long as you have enough wheel arch clearance on full suspension compression. If your vehicle has a manual gearbox, you do have to be careful not to change the gearing excessively with much taller tyres though.
Some BFG all terrains would probably fit ok if you are looking to use a good, fairly tough tyre on sand and rocky pistes.
Last edited by Gipper; 5 Oct 2016 at 20:42.
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