- An ester-based additive for motor racing – using SOD-1 Plus in a drift racing car
- Testing SOD-1 Plus in an old Honda Cub 50cc
- Oil film thickness and dry starts – the effect of SOD-1 Plus
- Country and City－ SOD-1 Plus in two motorbikes, a Honda 125cc farm bike and a 150cc Vespa S3V Tri Valve.
- Classic cars in Japan – Fukuoka’s Mr Iwao Fujitsubo