23rd February 2014, 08:20 AM
Unless you're going to race the engine that oil is fine. With higher viscosity you get a higher shear strength and using oil analysis samples from different grades of oils, the higher viscosity...
22nd February 2014, 06:27 PM
I'm running 5/40 Penrite at the moment very happy with the results
22nd February 2014, 03:33 PM
If you have a zd30 only use the thinner oil they are particular to oil
22nd February 2014, 10:08 AM
Slow and steady wins the race when 4wdriving. There's no need to go 100kmh to get things done.
Enjoy the life of 4wdriving