hi there ppl i have a 3door cosworth iv just removed the 75 k engine an was gona rebuild it but iv seen this on ebay what do u think any good or would i just be risking it .if i was gonna have it i was gonna sell me 75 k engine and maybe get this one

http://cgi.ebay.co.uk/Cosworth-YB-En...1%7C240%3A1318