WITHOUT SCIENCE I gotta say this 25,000 mile business appears to be asking for SOME trouble. Maybe the capacity of a single, screw on can has been optimized? No biggie here. I'm not trying to emasculate anybody but come on now, there's only so much magic in a hat that small. Kira
The 25000 OCI can be had, maybe. Easier to obtain with a large oil sump like my PSD has and a bypass filter.