I tried the Purple stuff after my break-in period on my new Jeep SRT noticed the cold start tic, wasn’t every time but often enough. Did some research and found Amsoil and haven’t looked back. My local dealer recently moved out of state so now I’m buying direct. I don’t run it the full 25k, somewhere around 15-20K and still no cold start tick.
I have been using this oil for over 10 years and it keeps the internal parts of my engine clean and it performs well. No oil burning and no leaks. Highly recommend.
Bottom Line
Yes, I would recommend this to a friend.
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5 star rating
Best Oil ever
By 
JASON G , 
a 
Verified Buyer 
from 
Texas 
on 
January 11, 2021
After making the switch from Mobile 1 and then later Royal Purple let me tell you, my sports car runs so much better. I can tell the difference in throttle response, there's less vibration, and my car sounds better too.
have used only this oil in my vehicles for 20 years. my old ford escort had 400,000 miles on it when i sold it and still ran great.
Bottom Line
Yes, I would recommend this to a friend.
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5 star rating
All time favorite.
By 
RICKY, 
a 
Verified Buyer 
from 
Bay Area 
on 
January 10, 2021
Been usin Amsoil on all my vehicles but recently switched to Amsoil on my 2019 Type R. Currently tracking the Type R with Ow-20 signature series noticed no issues with the oil. Thanks Amsoil!
Bottom Line
Yes, I would recommend this to a friend.
Was this review helpful?
5 star rating
By 
NICHOLAS, 
a 
Verified Buyer 
on 
January 09, 2021
I had my engine opened up at 341k to replace the water pump. It looked like a brand new engine inside, no gunk or carbon deposits anywhere to be found. My mechanic couldn't believe it. I love and believe in Amsoil's products; and wouldn't drive a vehicle without them protecting my investment.
Bottom Line
Yes, I would recommend this to a friend.
Was this review helpful?
5 star rating
excellent !
By 
BENOIT, 
a 
Verified Buyer 
on 
January 09, 2021
I believe this oil to be the best,it is proven and I don't believe it can be beaten .Pure synthetic oil is the way to go these days and amsoil signature series is the oil you should use if you want protection.
Bottom Line
Yes, I would recommend this to a friend.
Was this review helpful?
5 star rating
By 
SEAN, 
a 
Verified Buyer 
on 
January 08, 2021
I have 5 vehicles none of them drove over 15000 a year so now I just change oil once a year in all of them in December and it comes out cheaper than using conventional motor oil and not as much work
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