Help With Engine Noise

[boab type ra]

Hi guys been looking at engines for my girlfriend wrx seen this for sale from j d motorsport there is a clip of the engine running i would just like to know if anyone can diagnose it they sayed it could be the head if it is then i can repalce it with hers, any comment welcome.

http://www.youtube.com/watch?v=i_skAbEKLgc

[johns]

It's hard to tell from the clip. Any rattling/knocking noise like that isn't a good sound. I have heard a car like that before which had suffered big end failure. Sounds a bit too rattly to be piston slap to me.

[johnnyr6]

What he says...

If it was me i'd look for another engine to be safe.

Johnny

[boab type ra]

I was hoping someone would say its the heads caus all i need is the block the rest of the original engine is fine. thanks for comments i think i will keep looking.