hi guys im looking at getting a saph cosworth just in process of selling my seat leon cupra r, i had an escorts rs turbo so know a fair bit of the ford rs scene (my rs was quite tunned by grove garage), anyway i just need to know a few things like what i roughly should be looking at paying ill have around £10k but ive looked around and between £4.5-£5.5k seems going rate for a straight saph
im not to clued up on the inectors sytem or the 2/3bar map sensor stuff as the erst was not converted to efi, and any pointers that u could help me with ie major rot areas and problem areas would be appreciated

thanks jamie