Hello Lexus Dudes,

I'm here to chew bubble gum and acquire information. And I'm all out of bubble gum.

What I'd really like to know are the basic attributes of the SC300/400 IFS. If anyone can provide them I'd be very grateful. I'm considering this IFS as a swap into a GM a-body. I want to use 15" wheels and simply have a nice driving street car.

Here are the blanks I'd like to fill in:

-- stock scrub radius
-- steering ratio/turns lock to lock 17.3:1 / 3.1 turns
-- rate of camber gain during compression
-- WMS (wheel mounting surface) width across the car
-- width across the outside tires on a stock car (to know if it fits within my GM fenders)
-- clear width between the upper a-arm uprights (will my frame rails fit between them)

I like this suspension because it's nice and compact, vertically. The spindle is short because they put 15" wheels on the early cars so that jives well with my plans. However, I'm curious how wide a front wheel I could use at 15" diameter before I'd have to worry about it hitting tie rods and whatnot. I don't expect anyone to know this, though, as the people here are not 15" wheel people and that's okay!