hello,
iv got a s1 rs turbo engine running mfi, i know i cant convert it to efi because i dont have the hole in the block for a crank shaft sensor. i have been looking on ebay and found an xr2i engine running efi? so could i make an engine out off the two? ovbiously pistions are going to be different but iv heard the heads are the same? if anyone could tell me if this is possible would sort me headache out cheers.