With regard to the rear arm, I have more clearance to the wheel and have not needed to grind the head of the bolt off,
I have used these spacers with one pointing down so it fits snuggly in the hole and the other points upwards so the rose joint can move through the full range required. I did file the underside of the bolt head slightly so it did not catch on the rose joint, plenty of thread showing through also
http://www.ebay.co.uk/itm/1-2-UNF-Ro...item257b6f15ea
Got the springs now so will see how they go once I have fixed the steering column issue, doesn't take to long to swap out if I need to reduce and say go for 225 lbs as others have also done.