Originally Posted by
asgelle
Absence of evidence is not the same as evidence of absence.
It works the same for claiming that elaborate cleaning procedures are necessary. Have you evidence that they are? What is gained? What is lost by
not doing an extra bunch of steps?
Silca has referred to exactly those tests (performed at Purdue, I believe).
How about a cite or a link? I can find related to chain cleaning, Silca, and Purdue.