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I changed from the boosted version which lowered my my oil pressure way to much. Now my oil pressure never drops below 40 psi. With the boosted version it dropped to the 25 psi.
Bottom Line
Yes, I would recommend this to a friend.
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5 star rating
Great Product
By 
Johnny Racer, 
a 
Verified Buyer 
from 
Novato, Ca 
on 
May 15, 2019
I've been using this oil for 10 years in my 1995 BMW 325 which is a track/race car only. I put about 2000 miles a year on it and change the oil once a year. The engine is very happy runs like a top and I have 125,000 miles on it.
I'm 65 years old and have been into automotive lubricants since I was a teenager. Out of all of the Automotive lubricants I have purchased and tested over the years. Nothing surpasses Amsoil products. Unlike most, I still change my engine oils at 3000 miles. That being said, I own a 1988 BMW M5 with almost 200K miles which still runs like it just rolled off the show room floor. There are many other brands and types of oils I consider to be excellent but nothing come close to Amsoil. It's the most trust high grade lubercants I have found to date and will NOT use any other brand.
Bottom Line
Yes, I would recommend this to a friend.
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5 star rating
The only oil for my Street class Corvette Race Car
By 
Kubs, 
a 
Verified Buyer 
from 
Fariview Park, OH 
on 
December 26, 2018
I put this in my 2002 base model Corvette, and: -became the overall Top Eliminator at the NCCC convention 2017. (although I'm not a drag racer) -Finished 2nd in Autocross. -Set at track record at Putnam Park race way. -Ran all day - two days in a row- at a track event at NCM. with all the things to worry about when racing a street car, I can check Oil and Engine concerns off the list.
My modified Subaru makes over 100 hp per cylinder so I need a very stout oil. This stuff pours like water, but has a very high viscosity at high temps. It also has loads of zinc and phosphorus which makes it perfect for high horsepower applications, turbo engines, and american hot rods.
Previously used Mobile 1 for years, but the specifications changed over time and didn't meet the GM specs for the engine. I transitioned to Amsoil and the engine ran even quieter and I know it's getting the proper lubrications that GM intended for the DOHC LT5.
Wonderful oil for older engines that can use it. I routinely run it for years at a time in my tractor and pickup. Neither uses any oil.
Bottom Line
Yes, I would recommend this to a friend.
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5 star rating
Only Reliable Oil Left at Affordable Price
By 
Scott, 
a 
Verified Buyer 
from 
Las Vegas 
on 
October 15, 2018
There are no other decent high-quality 20W50 oil products around for this price. Cannot think of a better value, at least on West Coast. Engine runs just as dependably, even out of a tire slide, as when brand new.
The filler spout is too big to fit all of my bikes cars & trucks. Like the oil.
Bottom Line
Yes, I would recommend this to a friend.
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5 star rating
100% Satisfaction all the time
By 
XS, 
a 
Verified Buyer 
from 
Palm Beach, FL 
on 
March 28, 2018
I have never regretted the day I made the switch to AMSOIL products. I am currently using the 20W 50 Full Synthetic in my Race Engine 4AGE 20V Turbo Charged. Engine Runs way smoother, even the initial startup in the mornings is way quieter. I have recently Purchased there radiator Coolant and I am eager to have this installed. I am Happy, and Highly recommend AMSOIL Products to anyone who wants to protect there machinery, equipment or motor. A++ AMSOIL For LIFE......
I am using this oil in my 68 Charger. And I am very happy with the results.
Bottom Line
Yes, I would recommend this to a friend.
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5 star rating
Long time user.
By 
JimB, 
a 
Verified Buyer 
from 
Long Beach, CA 
on 
February 19, 2018
Have used Amsoil products (used to sell it) since 1974 in all of our better vehicles and farm equipment. With annual or semi-annual changes of engine oil, never an issue related to lubrication and sludge or varnish buildup is a thing of the past.
By 
Steve S., 
a 
Verified Buyer 
from 
Niagara-on-the-Lake, ON 
on 
January 17, 2018
Made the switch from conventional oil to Amsoil and appreciate the quicker startup, better throttle response & quieter engine operation on my 94' Discovery. 340K km on the clock & looking forward many more with Amsoil. Thanks for a great product & service!
This oil has a very strong cleaning aspect. When I drained the oil the first time I used it in a motorcycle with 17000 miles on it, it came out looking like thick almost gloppy molasses. Very black and quite thick. Subsequent oil changes have resulted in the oil coming out much cleaner. So much so that I can see light through the stream of oil as it is draining from the engine. I recently removed a side cover to inspect the clutch plates. The inside of the engine is clean like it was new. I'm very happy with this product.
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