Cheers for the tips guys. Maysik that's almost how my van is currently sitting. I have redone all bushings and shocks in the front and rear (pedders sports ryders) and have heavy duty front sway bar. Goat also suggested doing the rear as well. Still haven't driven the van yet so I'm sure the front will settle down a bit too. From done digging through Google, it looks as though tonner and standard springs have about 50mm difference.

King springs offer a super low spring that are about 50mm below standard. So I'm thinking go with a set of them and get rid of the blocks. Then it'll be at least 50mm lower in the rear and legal. Would be a good start.