oic... but as for race such drag... use W20 is good ya...jin, if you use it for endurance race of course is not the optimum choice but if for city drive any xW30 / xW20 is very good oil ....
a good engine oil must serve the purpose, or else, its just another chunk of hydrocarbon in your engine....
hahaha... sifoo... i still new ma... dunno ma...Crap, if you put it in a 1982 diesel lori-balak ...
then 1982 diesel lori balak using wat oil..??