Engine cleaning

[Mojooo]

As per my post in General Gassing:

http://www.pistonheads.com/gassing/topic.asp?h=0&a...

Can anyone recommend a company down South that can clean engines?

I have foudn the odd oen or two that they say can clean engines but don't really say what methods they will sue and whetehr its a proper clean that will help with oil leaks or just oen that makes the top look good.