Great info Markus, thank you.
I had found mention of the Mobil Ptx 75-90 and searched to find 3 liters required for a fill. No luck.
* Can anyone find Mobilube PTX 75w -90 in reasonable qty/price?
Or the Shell Spirax S5 ATE 75w-90 .
I tried hard but failed. It would be very helpful info to share with other Forum members.
Thanks for helping us Markus.
Not wanting to confuse but Shell seem to suggest that their newest product -Spirax S6 AXME may be suitable. It is rated for many cars,trucks and heavy equipment so may be more widely available.
The specs say it is GL5(but not GL4) & MT 1. Our spec is shared only with Ferrari !
http://s06.static-shell.com/content/dam/shell/static/usa/downloads/lubricants/cs5867-10-pri-spiraxindirectproductfambroc.pdf
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