well i have just change my oil another 20,000km`s,with a day tripto kalgoolie,1,300 in a day so i will post up sample when i get it ,doing tranoil as well this time ,may do coolant ??,but i think i will just change that seeing it look`s like it need``s a change ,i will at some time ample the coolant as well .i will post all result`s up for you all,good luck ,cheer`s chuckie + iam coming up on 100,000 kms so few bit`s to go on car.