I run both. I run Maxima 927 in my CR500 and YZ250, and have had nothing but good luck with it. Upon every tear down all the internal parts have a coating of oil on them. As for the Klotz techniplate, I run it in my Banshee, just for the simple fact that I wasn't totaly positive that the 927 was compatable with alky. After researching it, I have found that 927 DOES mix with alky, but it seperates after time, so I think I'll stick with the Klotz for the drag bike. In my opinion the 927 protects better tho.