[Jeff Jagusch]

I'm not an expert and don't play one on TV either, BUT last year while I was rebuilding a race motor, I took the crank to a heat treater for Nitriding (Acutally that's a trade name for a specific process), in any case the day I was at the shop, the engineering manager was in from the national headquarters and he spent some time witt me discussing Nitriding, melonizing,..... seems that they work on engine components for most of the NASCAR teams.

In any case, I asked him about Cryo, and he told me that "THERE IS NO SCIENTIFIC PROOF THAT CRYO TREATMENT ENHANCES METALLUGICAL PROPERTIES!" He went on to say that most of the testing and "data" gathered is NOT from controlled experiments.
He told me that he was personally involved with a several year long study with the government to understand cryogenic treatments, and the conclusion was that there was no benifit!

Again, I'm just relaying my conversation with a person that is very knowledgable on this subject, and I found it very interesting.

Jeff