RE: West 50V1 fuel?
I got a West Eurotech 50 V1
I use home mixed fuel with 10% nitro, 18% Powersynth oil and the rest are mehanol buyed from a speedwayclub.
It´s no problem of running the engine at high RPM:s with 100% syntetic if the oil is thick enough.
Maybe my english is not very good when it comes to "proffessional" stuff but I hope you will understand the most of it...