New amsoil 5w-30 Sig Series

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JAG

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Do you know when it was reformulated? Here is one but question is whether it is the latest formulation. I think it is. https://www.bobistheoilguy.com/forums/ubbthreads.php/topics/4693657/Amsoil_ASL_5w30,_9K,_04_Chevy_#Post4693657
 

Bjornviken

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Originally Posted By: JAG
Do you know when it was reformulated? Here is one but question is whether it is the latest formulation. I think it is. https://www.bobistheoilguy.com/forums/ubbthreads.php/topics/4693657/Amsoil_ASL_5w30,_9K,_04_Chevy_#Post4693657
Thanks =), i think it was september 2017
 

JAG

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I just found UOAs of one of the viscosity grades (0W-30) reformulated to meet GM Dexos1-Gen2. I don’t like that they greatly decreased calcium detergents and somewhat compensated by an increase in magnesium. If you have a GDI engine, that’s good for decreasing LSPI, but I don’t have a GDI engine. Since 10W-30 does not say it is for d1g2 applications, I’m hoping it still has the high calcium and low magnesium formulation. https://www.bobistheoilguy.com/forums/ubbthreads.php/topics/1120098/5/Amsoil_SSO_0W-30,_1993_Civic,_
 
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