I'm currently running diamond cut 7 spokes on my Series 2 with no clearance problems due to using standard ride height springs. I bought these wheels new from my local Ford dealership some time last year and they did'nt come supplied with bolts long enough ! The bolts, as mentioned in the post above, need to be longer to compensate for the collet. I was able to purchase these from my local wheel refurbisher. They are a company called SEM and they are located in Sunderland, Tyne & Wear. You can contact them on 0191 548 0617.
Hope this helps,
Regards,
David.