Read through the thread with the various suggestions - thought I'd pass on my thoughts, although this is for a 1992 1400K Supersport kicking out circa 135 brake. Definite thumb up for flat flooring/ corner weighting and getting the set up professionally sorted which has already been mentioned and would put that equal first with wheels and tyres Re wheels 13 inch every time - with decent level of tyre profile - I have 6.5 inch rims and have found 205/60 R13 rear, 185/60 R13 fronts R888R's for me work really well at 18psi when cold. Springs and dampers - My Bilsteins were leaking on the front and needed either rebuilding or replacing (likely MOT failure) - also when I bought the car it had been set up for track use and had 300 Ib springs on the front 200 ib springs on the rear which were a bit firm for the road to say the least (fine on a billiard table surface) - swapped the springs to 250 Front and 150ib on rear (some even suggested going down to 125/135 on the rear and a bit lower on the front) and replaced the Bilsteins with Protech adjustable shocks. I've subsequently found the set up very good for road and suits the car much better (certainly better than the Bilsteins and stiffer springs they replaced, although like I say the Bilsteins were past their best and was it the lower spring rates or the shocks which improved the handling the most is anybody's guess) - definitely checking spring rates though if car has been set up for track use - may like mine not be suited to road. The dampers and springs were very reasonably priced to boot (springs and shocks together were circa £500 for all 4 corners so cheaper than replacement the Bilsteins, albeit that was 5 years ago) No doubt the more expensive options (Nitrons/others) may be technically better performers, but for me I couldn't really justify the extra cost for the road where you're not pushing the car to the limits - I'm also a tight arse accountant. Thought I'd pass in case there's any interest .