@Nay You're saying replace both axles, steering and SAS the thing. And you're saying the Sequoia has a better wheelbase (6" longer) and it has everything better tucked up underneath than a 100. Drivetrain is virtually the same between the 100 and Sequoia.
So how is the longer sequoia wheelbase better when you SAS it you can just extend the 100 wheelbase 6"+ and reduce the approach and departure angles?
Better clearance? This is the Sequoia.... you can see the relation of the fuel tank and transmission crossmember to the frame.
This is the 100. The fuel tank and crossmember certainly are higher up in relation to the frame.
But maybe the Sequoia frame just has higher clearance than the 100 and the fuel tank and crossmember are the same height as the 100. The 100 frame is certainly more rigid than the Sequoia. Let's just compare the rear lower control arm mounting bolts. Looks like the mounting bolt is right under the fuel tank.... but barely.
View attachment 3279086
This is the 100, and it looks like the bolts are either the same height or lower than the Sequoia.
View attachment 3279092
Are you seeing something different?