QS Euro VS Napa Euro 5w-40 Ferrari F430

I think the move is Amsoil 5w40 FS.

Cost is not that bad with a membership. $8.89 a quart
 
I think the move is Amsoil 5w40 FS.

Cost is not that bad with a membership. $8.89 a quart
besides the brand, what does EFM do better than say X-cess gen2 5w40? Within a couple dimes per quart on cost without paying for the MLM membership.
 
I don't think you get group IV base unless you're buying SS. My understanding is their euro oils are Group3 base.
Hard to find definitive info. It seems to have PAO/ester based on old posts here.

Noack significantly better than Motul, 7.1% vs 9.9%.
 
Hard to find definitive info. It seems to have PAO/ester based on old posts here.

Noack significantly better than Motul, 7.1% vs 9.9%.
7.1 is 5w30 or 10w60. That 9.9% was from 7 years ago on gen1, there are no current published noack figures for Motul.

EFM is -39C pour. Doesn't scream PAO. Which makes sense given the discount compared to their other euro offerings. I don't think you're getting a true synthetic under $11/qt these days.
 
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7.1 is 5w30 or 10w60. That 9.9% was from 7 years ago on gen1, there are no current published noack figures for Motul.

EFM is -39C pour. Doesn't scream PAO. Which makes sense given the discount compared to their other euro offerings. I don't think you're getting a true synthetic under $11/qt these days.
I don’t believe Signature Series meets specs to run on F430?
 
I don’t believe Signature Series meets specs to run on F430?
I'm not advocating for signature series. Just pointing out motul has slightly better specs than AMS EFM 5w40, neither of which I believe to be Grp IV based. OP has made it clear he's not interested in boutique oils either way.
 
I'm not advocating for signature series. Just pointing out motul has slightly better specs than AMS EFM 5w40, neither of which I believe to be Grp IV based. OP has made it clear he's not interested in boutique oils either way.
Oh I know you weren’t, and I’m actually debating on my own use.
 
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