Article on best penetrating oil for rusty nuts

The information was taken (without credit) from one Mr Terry Sterkel who took the time to do the tests and share it. He was an Avanti owner and had posted on his website sterkel.org and then systems-engineering-associates under 'avocation'. Those interested in the details of the test should be able to find it archived somewhere. My recollection is that it was in pdf form and I may have saved a copy. e-mail or PM me if all else fails and I'll look.