Jetboy
New member
In this case I don't think there's anything to worry about. The A76x 6 speed has been around since at least 2006.
The D4S in a 3.5L was introduced in 2007. The only change is adding variable intake valve timing and a bit of cpu tweaking on fuel timing to run atkinson cycle. The same program has been in use in other engines for a few years already.
For me - I wouldn't hesitate to buy based on the engine/transmission combo. It's all off the shelf stuff that's been pretty well tested.
Can't really make any comments about any of the rest of it. Now if they introduce something along the lines of the 2.0L turbo from the NX - then I might want to make sure it's fully sorted. I'd love to see a 3.0L v6 turbo just like the NX only a v6 - two twin scroll turbos, variable everything, atkinson/otto D4S, the works. That would be a fantastic 4runner engine IMO. 350hp, 350 ft lbs, 23-24 EPA mpg ratings should be doable. Pretty much tuner-proof though. The complexity of managing variable cycle options, two injection systems, mix and match turbo outputs, and the valve timing/duration, spark, fuel, etc is going well beyond the capability of most tuning shops.
The D4S in a 3.5L was introduced in 2007. The only change is adding variable intake valve timing and a bit of cpu tweaking on fuel timing to run atkinson cycle. The same program has been in use in other engines for a few years already.
For me - I wouldn't hesitate to buy based on the engine/transmission combo. It's all off the shelf stuff that's been pretty well tested.
Can't really make any comments about any of the rest of it. Now if they introduce something along the lines of the 2.0L turbo from the NX - then I might want to make sure it's fully sorted. I'd love to see a 3.0L v6 turbo just like the NX only a v6 - two twin scroll turbos, variable everything, atkinson/otto D4S, the works. That would be a fantastic 4runner engine IMO. 350hp, 350 ft lbs, 23-24 EPA mpg ratings should be doable. Pretty much tuner-proof though. The complexity of managing variable cycle options, two injection systems, mix and match turbo outputs, and the valve timing/duration, spark, fuel, etc is going well beyond the capability of most tuning shops.