Whats the difference b/w the Ontario, Rancho Cucamonga, and San Marino rocs? people are always talking like they are different then normal rocs.
There is no difference between the San Marino and Ontario Rocs other than the engraving and material used at the time. The material we had originally with the San Marilno era produced flatter and more stable Rocs, than the material we got in Ontario. The material we wanted was unavailable until a few years later. The Rancho Roc was built to offset the material difference that happened with the Ontario Roc era. Basically, the Rancho mold is a little more stable than the San Marino/Ontario.