OK I'm not so stupid to do stupid questions (I beleve).
In Italy the Valvoline Turbo V Motor Oil is not anymore avalible so i have to choose another Oil.

I have 3 choise:
buy from MazdaTrix Idemitsu oil and i pay shipping to Italy
buy Royal Purple avalible in my city.
buy Valvoline turbo V motor oil from Holland and pay (few) shipping

Since 2 of these are synthetic, i just want to know if someone is using this oil and i can sleep sweet dreams sure that this oil will no blow the engine. Or if is even better synth than mineral
Thanks
Pietro

 

Read this thread:
https://www.rx7club.com/3rd-generation-specific-1993-2002-16/what-engine-oil-everybody-running-472480/

BTW, I use Royal Purple in my FD...

 

Go with Royal Purple, if it's locally available. Otherwise, topic has been discussed ad nauseum.