MTL 90 is synthetic oil. I use it in my 1995 Miata but I was told that it may not be suitable for order gearboxes like my 1980 X1/9 5-speed.Redline MTL.
NEVER GL1.
MTL 90 is synthetic oil. I use it in my 1995 Miata but I was told that it may not be suitable for order gearboxes like my 1980 X1/9 5-speed.