This is a change from some tricks sellers try to hide smoking engines.

http://motoringresearch.com/car-news/drivers-dorset-smoking-engine-scam

 

I've just read a similar story on another car forum.

 

https://www.fordownersclub.com/forums/topic/115631-head-gasket-scam/

Jackeyboy thinks he is a smart cookie, if his post is true then he might be wasting his time if he ever tries selling another lemon and uses that forum or user name.