I am ready to change the oil on the mini and even though i have previously used both Millers CTV and Valvoline VR1 would you folk suggest i stick with either or, is one slightly better than the other in your opinion.
I recently gave some training at the Porsche Driving Experience at Silverstone and saw a working model of two sets of gears being lubricated by mineral and synthetic oils.
The difference was plain to see with the mineral oil draining from the gears whilst the synthetic just stuck like glue, i wish i had not seen it as i can picture my gearbox when i start it..........