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Most Instantly Notice The Improvement

I use the 15-40 signature series in my RV with a 12.8 liter Mercedes Diesel. I noticed a difference on my way home from having the first oil change with the Amsoil. On our first trip my wife ask what I had changed. She said "the engine is quieter and smoother". Now it's the only oil I'll use. Thank you for a great product.

John from SoCal June 11, 2024

Excellent Oil

Have been running the Z-rod in my 1973 firebird formula for 3yrs. And in my 93 jeep 4.0 strait 6 and also in my sons 1986 Olds cutlass. It has the zinc our older engines need. Great product as i have also been using there signature stuff In our daily drivers for over 5 yrs. switched from mobile 1 to it great oil we now only use AMSOIL stuff including their HD antifreeze.

JERRY from KY AMSOIL High Zinc Oil user

Omaha Blog Posts

Car Dealerships Trust Ours over Theirs!

AMSOIL 0W-20 100% Synthetic Diesel Oil

DEXOS D Synthetic Diesel Oil SAE 0W-20 Do you have that Dexos D for my new 3 liter Chevy? – Yes here it is! It’s become VERY popular. Simply compare by the way the engine runs, sounds and accelerates. Watch...

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