Thanks for the replies guys. I'm currently reading his thread (I've got around two years of posts to keep me going) It's in swedish so taking a bit of time with google translate plugin.

I'm interested to see if he did any further modifications as I do like the idea of this suspension but I don't want to put myself/passengers in danger. Last I saw he's shifted the engine back quite a bit and used a corvette bell housing/torque tube as it moves the engine 400mm further back but requires the bulkhead to be modified heavily. Last post I saw of his engine bay, v8 engine moved back and custom subframe.