dg225

im looking at buying a xr2 turbo, i just want to know what to look out for and which is the best one to go for efi or mfi? im looking at one at the mo which is efi with a t3 turbo, 701s and 195 chip ofac. theres another one im looking at which has a standard s1 engine in.any help would be great cheers. also does any one know roughly how much a xr2 turbo weights rouughly...