Awfull Noise, Stuck/broken valve/lifter/something? Help!

[Phil Payne]

> Just when I thought I was finished, I was sitting at a
> yellow light to turn left, gunned it when it turned
> red to get out of the way, wham, this loud knock like
> a hammer hitting my engine head has graced me with
> it's presence.  The engine is a newly rebuilt MC-2
> with rebuilt large valve head, with everything
> properly torqued and a whopping 40 miles on it.  No
> vacuum pump if you're wondering.

I had this once when someone refitted one wrong big end shell - the
wrong size.

--
  Phil Payne
  http://www.isham-research.com/quattro
  +44 7785 302 803
  +49 173 6242039