It's driven hard, once the engine is warm (especially since the Alfa's arrival). It seems to like it that way
I always respect the high temp viscosity imposed by the car maker; I think that if the engine was thought to use a Xw-40 oil, I should respect that.
I only used once (when I was a beginner) a good 0w30, but it was an exception, I followed some advice without much thinking. It turned fine, however, I was much gentler then
........................
I get your point, anyway!
This Selenia Sport is a rather thick 5w40 (KV100 15.2cSt) for this engine; it runs smooth but doesn't accelerate as fast as with Shell HU 5w40 GTL (KV100 13.1) or Lukoil Luxe/Genesis premium 5w40 (KV100 13.9cSt, Noack 9.6 ; a great gr III oil btw).
Shell GTL has the longevity on it's side; but the smoothest and fast accelerating was with that Lukoil Genesis (13,9cSt).
So I guess I rather need some mid-range 5w-40 in this engine.
Selenia Sport is recommended for the top-end Alfa/Fiat/Abarth 1,8TBi engines (200/240/even 300hp on this amazing Abarth 124 Rally )
I guess that this Petronas Syntium 3000E 5w40 (CoolTech), with it's KV100 of 13.8, would be a good protection/performance compromise for this little 1.1 54hp engine
MSDS says 40-50% gr III and 30-40% "not dangerous oils" (the mystery stuff)
I still have 2.5l (another OC) of Selenia Sport untill then. I'll make good use of it.

I always respect the high temp viscosity imposed by the car maker; I think that if the engine was thought to use a Xw-40 oil, I should respect that.
I only used once (when I was a beginner) a good 0w30, but it was an exception, I followed some advice without much thinking. It turned fine, however, I was much gentler then

........................
I get your point, anyway!
This Selenia Sport is a rather thick 5w40 (KV100 15.2cSt) for this engine; it runs smooth but doesn't accelerate as fast as with Shell HU 5w40 GTL (KV100 13.1) or Lukoil Luxe/Genesis premium 5w40 (KV100 13.9cSt, Noack 9.6 ; a great gr III oil btw).
Shell GTL has the longevity on it's side; but the smoothest and fast accelerating was with that Lukoil Genesis (13,9cSt).
So I guess I rather need some mid-range 5w-40 in this engine.
Selenia Sport is recommended for the top-end Alfa/Fiat/Abarth 1,8TBi engines (200/240/even 300hp on this amazing Abarth 124 Rally )
I guess that this Petronas Syntium 3000E 5w40 (CoolTech), with it's KV100 of 13.8, would be a good protection/performance compromise for this little 1.1 54hp engine
MSDS says 40-50% gr III and 30-40% "not dangerous oils" (the mystery stuff)
I still have 2.5l (another OC) of Selenia Sport untill then. I'll make good use of it.

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