By 
VICTOR, 
a 
Verified Buyer 
on 
August 13, 2023
I have been using 5w-30 Signature Series in my 2013 F150 Ecoboost with 105,000 miles. I bought it with 51,000 miles and have been using this oil since. I can definitely notice the difference in how it feels and how quiet the motor is. I used to be a Mobil 1 guy but Amsoil is my choice now.
Bottom Line
Yes, I would recommend this to a friend.
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5 star rating
Great product
By 
Viking, 
a 
Verified Buyer 
on 
August 13, 2023
Awesome product, I’ve been using it for years….. Highly recommend!
Bottom Line
Yes, I would recommend this to a friend.
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5 star rating
Tried the Rest Now I Only Use the Best
By 
LOU, 
a 
Verified Buyer 
from 
Monterey County, California 
on 
August 10, 2023
I have been using AMSOIL in my 2022 Bronco since the 1st oil change at 5,000 miles. I wanted to use true synthetic especially since the 2.7 uses turbos. Not a hiccup to date. I am certainly a customer for life. This oil is amazing.
Bottom Line
Yes, I would recommend this to a friend.
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5 star rating
Signature
By 
ROBERT, 
a 
Verified Buyer 
on 
August 10, 2023
Do the math. Works great for me. Thanjs
Bottom Line
Yes, I would recommend this to a friend.
Was this review helpful?
5 star rating
The Beat
By 
BRAD, 
a 
Verified Buyer 
on 
August 09, 2023
Longest lasting & full synthetic! If you're living in cold climates… this is the go to
I was recommended do use this oil in my truck by my mechanic I was kind of hesitant because of the cost of the oil. But once I started using this all in my truck, it is amazing. The difference in the performance is night and day.
Bottom Line
Yes, I would recommend this to a friend.
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5 star rating
Great product
By 
ACE, 
a 
Verified Buyer 
on 
August 06, 2023
Been using ams oil for a few years now would highly recommend all their products
Bottom Line
Yes, I would recommend this to a friend.
Was this review helpful?
5 star rating
Race proven
By 
Boost, 
a 
Verified Buyer 
on 
August 05, 2023
I wouldn’t trust any other brand. I k ow my engine is performing and happy on the track with this product in there
Bottom Line
Yes, I would recommend this to a friend.
Was this review helpful?
5 star rating
Protection
By 
Boost, 
a 
Verified Buyer 
on 
August 05, 2023
This is some good stuff! They stand behind their word and testing
Bottom Line
Yes, I would recommend this to a friend.
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5 star rating
Oil change
By 
DAVID, 
a 
Verified Buyer 
from 
Brooklyn NY  
on 
August 05, 2023
Been using Amsoil on my 2007 Chrysler Town and country for quite a few years now and I am very pleased with my car's performance.
Bottom Line
Yes, I would recommend this to a friend.
Was this review helpful?
5 star rating
Synthetic oil by Amsoil
By 
NATHAN, 
a 
Verified Buyer 
on 
August 03, 2023
My truck runs smoother now since I’ve started using Amsoil
I own two Hyundai Elantra N’s and changed oil on both at the same time. One had factory oil the other Amsoil. Sent samples of oil from both to Speediagostix for analysis. Reports came back showing superior protection from Amsoil and I am getting 1 mpg better with Amsoil. The oil stands up to its claims.
I’ve been using Signature Series engine oil in various viscosities for about twenty years. I change my oil at 15,000 mile intervals and have zero engine problems and at 100,000 miles on most of the previous cars and trucks I have never had to add any oil between changes. The inside of my engines are as clean as new, and there is no evidence of the brown varnish that coats the internals of the engine that is evident with most engine oils these days.
Really like this in my older Chevy truck to extend the life of my engine. Highly recommend.
Bottom Line
Yes, I would recommend this to a friend.
Was this review helpful?
5 star rating
It's the best oil in the game
By 
JERRETT, 
a 
Verified Buyer 
on 
July 30, 2023
I have been using the signature series almost 4 years on everything I own. Small engine, big engine, and the fuel storage. And it's never let me down in any way. Way past my expectations and more. I will continue to use these products forever
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