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"BUICK'S finest BUICK"
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525 Posts
Discussion Starter · #1 ·
Hi everyone,

Just wondering. What is a great ppm level of zinc and phospherous for our gn's?

Thank you.

Also, valvoline conventional oil or amsoil synthetic?

Thank you,

Michael
 

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YOU KNOW MY NAME!
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5,673 Posts
I use 15/40 dino oil...Wix filter and a can of EOS. Don't get caught up in all the hype...cuz that's all it is.
 
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