Originally Posted by ziggy12345
The OS is not a true ABC PL set and will loose the pinch very quickly if overheated. Go for the 12-3
Cheers
Not sure were you are getting that info but OS probably make one of the finest ABC P/L ever. Granted they were never huge on the car scene other than off-road compared to other known brands but their aero engines have been the class leaders for many decades.