MADMANX
Well-known member
Oil grade...
5/40 is the recommended grade but has any one used a different ? I ask as ive loads of Castrol power 1 fully synthetic knocking about and a track day before next service due ???
5/40 is the recommended grade but has any one used a different ? I ask as ive loads of Castrol power 1 fully synthetic knocking about and a track day before next service due ???