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No other oil protects against wear better than AMSOIL
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Reformulated, Repackaged XL Synthetic Motor Oils!
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Welcome to BestSynthetic.com! - Your source for AMSOIL Synthetic Motor Oil.

The big oil companies offer lots of slick fluffy marketing claims like "Nothing outperforms Mobil 1", but offer no proof or facts. The truth is, AMSOIL synthetic oil outperforms Mobil 1 and all other conventional and synthetic lubricants. And we have the proof to back it up. They don't, which is why they can only use slogans. AMSOIL, the First in Synthetics.

AMSOIL 100% Synthetic Motor Oil "Our Company makes the best lubricants in the world, period, and challenges anyone or any company to prove us wrong! That won't happen because our competitors know it's true." -A.J. Amatuzio, President & CEO.

Wear prevention is an engine oils primary and most important job. No other motor oil protects against wear better than AMSOIL. PERIOD! Not only did AMSOIL bring you the first synthetic, they were the first to introduce the concept of extended drain intervals. Can you name ONE other oil company that will GUARANTEE their product for 25,000 miles? AMSOIL has been doing so for over 35 years.

Whether you're a car owner looking for premium synthetic motor oil, a business owner looking to add a successful product line to your shelves or a fleet owner looking to cut your operating expenses, we hope you'll find everything you're looking for here. Tour our site and learn the facts! Compare AMSOIL's performance and properties to the other guys. Yes, AMSOIL costs more, but remember, you ALWAYS get what you pay for. But as you will see, using AMSOIL synthetic oils will actually save you money, and you'll be giving your engine the best protection you can buy at the same time!

At BestSynthetic.com, our goal is to be the most informative AMSOIL Dealer website on the web, which includes not just information on AMSOIL products, but educating people about synthetics, lubrication, car care and more. Please contact us with any questions or suggestions at any time.

The Company of Firsts!World's First Synthetic Motor Oil in 1972

  • First to develop an API-rated 100 percent synthetic motor oil.
  • First to introduce the concept of "extended drain intervals" with a recommended 25,000-mile/1-year drain interval.
  • First U.S. company to utilize the NOACK volatility test as a standard of performance excellence.
  • First to produce synthetic motor oils for diesel engines, racing engines, turbo and marine engines.
  • First to introduce synthetic oils that legitimately contribute to improving fuel efficiency.
  • First to manufacture synthetic gear lube for automotive use.
  • First to manufacture a 100:1 pre-mix synthetic 2-cycle oil.
  • First to manufacture a synthetic automatic transmission fluid for automotive use.
  • See Product Introduction Chronology

AMSOIL and Racing

AMSOIL Absolute Efficiency Oil Filter Many oil companies produce specialty racing oils for elite groups and do not offer them to the general public. For instance, several popular oil manufacturers produce racing oils offered only to NASCAR racers. AMSOIL receives inquiries as to why the company does not offer "special," higher-quality or NASCAR oils.

However, all AMSOIL synthetic motor oils are already formulated to a higher level than competitors' oils, and AMSOIL Dominator Synthetic Racing Oils are no exception. They provide maximum performance and superior protection to all racers, regardless of their level of competition. The same AMSOIL Dominator Synthetic Racing Oils that are used in the engines of AMSOIL corporately-sponsored racers such as Scott Douglas and Brady Smith are available to everyone.

Every professional race car in the world uses synthetics, and most of them have been using AMSOIL for decades. Many have a lot of money at stake with their "big oil" sponsors, who want you to believe that what is advertised on the car is what's running in the engine.

Indy Car racing legend Bobby Unser spoke at the AMSOIL 30th Anniversary Convention. Unser is a 3-time Indy 500 winner, has 25 overall Indy Car wins and is a 13-time Pikes Peak Hill Climb winner. He told the audience how his race car differentials could not survive more than one race up Pikes Peak without needing to be rebuilt, until he started using AMSOIL lubricants. This experience in Bobby's early years of racing began his long relationship with AMSOIL synthetic motor oil and lubricants in all his race cars. Bobby went on to say that "AMSOIL is the Best Synthetic Lubricant made, the Standard to which all others are judged." Hear it from Bobby himself in the video below.

Extended Drain Intervals mean Less Waste Oil, Less Pollution, a Cleaner Environment

"Improperly disposed used oil," according to the Environmental Protection Agency, "is the largest single source of oil pollution fouling our nation's waters. According to the American Petroleum Institute, it amounts to "up to 200 million gallons of used motor oil... dumped every year down sewers, drains or in the ground." API reminds us, too, that, "A single quart of oil can foul thousands of gallons of water."... Continue reading this article


AMSOIL News Updates

Joe Carroll Talks About Engine Building and AMSOIL
Many of the builders here are modest, and highly respected, among them Joe Carroll of Stonewall, Louisiana. According to competition director Wes Roberson he's a very astute builder. "He does very detailed work and leaves very little to chance."

After pulling some strong numbers we took a few minutes to learn more about his passions.

How did you get into Engine Building?

Joe Carroll: I used to work at an engine shop years ago, and it’s turned into a hobby. I’m a lineman, that’s how I make my living. If I had to build engines for a living then I’d probably be living in a cardboard box somewhere. It’s a hobby, it’s kind of a passion that me and some friends of ours do.

How did you get into Engine Masters?

JC: We began coming to Engine Masters when a friend of mine came in 2006 and we went to NYC and fell in love with the idea and the people around. It’s kind of turned into a family reunion every year so we just enjoy coming up here visiting, bringing a piece and see how we stand up against everybody.

Have you been coming every year?

JC: We’ve come every year since 2006. We came with our own piece in 2007 and have been here ever since.

Your take on AMSOIL?

JC: We love the Break-In Oil. We tried some before in another brand and the motor would kind of huff for a while when we did a Ford years ago. When we got on the AMSOIL, you’ll see a little almost steam come out of the breather before we pull. Then everything seals up and you can tell the numbers pick up on the dyno. That was our dead giveaway on it. The fuel numbers went up so that was a big plus for us. We left it in for I think 15 pulls and we left it in through the whole time. Then we came here and we dropped it and put the real deal in and we saw a little bit more horsepower, so that was a little more of a bonus for us this year.

Have you used AMSOIL in the past?

We’ve used AMSOIL in the past, and we’ve now gone to running it in our dirt bikes. We use the 2-stroke oil, too. It burns real clean so we’ve been impressed with everything that they’ve had. We’ve had to kind of shop around for it but we end up getting it and that’s all we’ve been running anymore.

* * * *

As of 2:00 p.m. Joe Carroll is still in the hunt.
-Congratulations to Tony Bischoff and BES Racing Engines... 5X Engine Masters Champion
When Jon Kaase looked at his numbers after his dyno run on day four of the 2014 AMSOIL Engine Masters Challenge he seemed crestfallen. He brought a powerful engine to the game, but when all was said and done after Thursday's end of the day run his gut told him he'd be coming up short in the final showdown.

Tony Bischoff (center) watches the numbers with BES Racing Engines on the block.
Sure enough, his instincts were keenly attuned to what was going on, and when the final story had been told, he didn't have it this year. Tony Bischoff started the final day with ginormous numbers and by day's end his score was insurmountable.

Congratulations, Tony. 5X Engine Master has to feel pretty good.
There was still a lot of power on display in the finals. When all was said and done, here's how it all shook out. 

1) SCORE: 3017.4 
ENTRY: BES Racing Engines ENGINE: 401ci Gen III Hemi 
AVERAGE PEAK POWER: 688.67 horsepower, 611.67 lb-ft

2) SCORE: 2920.9 
ENTRY: Bradley Built Engines ENGINE: 417ci Gen III Hemi 
AVERAGE PEAK POWER: 699.07 horsepower, 615.70 lb-ft

3) SCORE: 2913.5 
ENTRY: “Also BES,” John Lohone ENGINE: 401 LS 
AVERAGE PEAK POWER: 674.00 horsepower, 595.33 lb-ft

4) SCORE: 2904.1 
ENTRY: School of Automotive Machinists ENGINE: 436ci LS 
AVERAGE PEAK POWER: 725.33 horsepower, 644.00 lb-ft

5) SCORE: 2875.4 
ENTRY: Jon Kasse Racing ENGINE: 404ci Kaase Boss 9 
AVERAGE PEAK POWER: 677.33 horsepower, 597.00 lb-ft

For more details, and photos, visit the Hot Rod Blog.

Here are some additional shots from Lima, Ohio last week.

The Bradley Built Engine had some cool Brazilian technology affixed.
The local media dropped by to put our story on the evening news.
That's an oil pan, not a bed pan. All week the staff was exceedingly helpful.
John Lohone, like the other top guns, had double plugs per cylinder.
This was a first EMC for Hot Rod editor David Kennedy, here addressing the banquet.
The Brad Nagel made an impressive run, but came up short. 


-Coast-to-Coast with AMSOIL: Team American Iron on the Cannonball Run
Kanter takes a time out to have a new regulator installed.
American Iron magazine editor Buzz Kanter is currently on the road with his 1936 Harley VLH and three lifelong friends in an attempt to conquer the 4,000-mile cross-country trek known as the Cannonball Run. The Cannonball Run is not a speed race, but rather a test of endurance that takes riders from coast to coast over the course of two weeks. The catch? This event is only open to bikes manufactured 1936 and earlier. Yes, every bike in the race is at LEAST 78 years old and running on the original motor. Many updates have been added for safety’s sake, but the core of each bike has been restored to its former glory days. At least that’s the objective. We received an update from Kanter and though it’s just a few days in, it’s been quite a ride so far.


Coined Team American Iron, Kanter and crew are still in the running and aiming to finish despite severe weather setbacks and stops to fix mechanical and parts failures. Kanter reports sightings of many other riders dealing with similar issues roadside along the way, as can be expected when these antique machines are on the road. However, participants of the Cannonball Run anticipate and prepare for this and most are back up and running in no time. One member of Kanter’s team, Pat Simmons of Doobie Brothers fame, found an innovative way of getting back on the road after his oil drain plug had fallen out. He pulled over, found a suitable stick and got to whittling it down to size so it could plug the drain and get him to a place where it could be fixed properly. These are the things one must do to stay in the Cannonball running, and these riders have certainly shown they are up to the task. All Team American Iron members have faced issues that took them off the road. From broken coils and chains to replacing batteries, these guys haven’t let any of it stop them from getting back in the saddle.

Some of the other vintage Harley's making the run.
Of course, it’s worth mentioning that AMSOIL is installed in the bikes of Team American Iron. These old motors need an oil capable of taking them from Daytona, Beach, Fla. to Tacoma, Wash. without failure. AMSOIL is definitely up to the challenge, giving them peace of mind to Ride Hard and Run Cool. While parts may break and cost them some time, the hearts of their machines will keep on ticking.

Check back soon for another update after the Cannonball Run and see how the rest of the journey pans out and learn Team American Iron’s final rank.

Listen to Buzz talk about his Vintage 1936 Harley.
-Why is there a time limit – in addition to a mileage limit – on motor oil?
Most vehicles carry a motor oil service-life recommendation that includes a duration of time in addition to a mileage distance. For example, your vehicle might call for an oil change every 5,000 miles or six months. It’s obvious that thousands of miles of driving will take its toll on engine oil, but less obvious is the role time plays in breaking down motor oil.

Even when you’re not driving, chemical changes take place within motor oil that lead to degradation and the need for an oil change. Oxidation is a prime culprit. The interaction between oxygen molecules and motor oil molecules naturally leads to chemical breakdown. Just as oxygen causes a cut apple to brown or exposed metal to rust, it breaks down base oils and reduces motor oil’s effectiveness. Although synthetic base-oil molecules are naturally much more resistant to oxidation than conventional base-oil molecules, they eventually succumb to oxidation’s attack. Oxidation can lead to increased oil viscosity, which negatively affects energy efficiency. It also causes the formation of harmful deposits and sludge.

Your vehicles are also subjected to temperature swings, even when not in use. Temperature swings cause condensation to form inside the engine, leading to water contamination. Not driving for extended periods – or taking short trips that don’t allow the engine to fully warm up – allows water to remain in the oil rather than evaporating and exiting through the tailpipe. Water contributes to engine corrosion.

When you do drive, contaminants form as natural byproducts of combustion. Acids lead to sludge formation and corrosion, and those acids and other contaminants continue to affect chemical changes in the oil, even while not driving.

Even though all motor oils have to eventually be changed regardless of mileage, high-quality synthetic oils – like AMSOIL synthetic motor oils – allow you to go longer between oil changes for maximum convenience and cost savings. Premium synthetic motor oils also offer increased resistance to oxidation for excellent engine protection, making them the right choice even if you don’t practice extended drain intervals. AMSOIL synthetic motor oils are formulated with advanced chemicals that resist breakdown, disperse contaminants and clean internal parts to continue delivering outstanding performance and protection long after conventional oils have to be changed. Check out all AMSOIL synthetic motor oils for passenger cars/light trucks.

Signature Series Synthetic Motor Oil
XL Synthetic Motor Oil
OE Synthetic Motor Oil
European Car Synthetic Motor Oil

Photo credits: (c) Can Stock Photo
-SEMA Feature of the Week: David Gutierrez DARK300
David Gutierrez’s 2007 Chrysler 300, dubbed DARK300, is unlike any other on the scene. Appearances at big-name car shows have earned awards at every 2014 show he’s attended, including the Los Angeles DUB Show where competition is always fierce. This is due in large part to the uniqueness of the long wheel base body, which added 6 inches and over 10 cubic feet of interior room. The modifications list is extensive, evidence to the fact that Gutierrez left no stone unturned when seeking the very best for his vision. His efforts paid off; he’s landed photo shoots for advertisements, a feature spot on Chrysler’s Facebook page and gained over 3,000 likes on Instagram in less than two hours. To top it all off, DARK300 will be seen in an upcoming feature film later this year.

Gutierrez is now preparing DARK300 for the SEMA Show as a feature vehicle for XIX Wheels, and approached AMSOIL to ensure his engine performs as well as the rest of his ride looks. We caught up with Gutierrez to get an idea of where it all began, and what it’s like to own a ride that’s about to make its Hollywood debut.

 Is this your first project/show vehicle?

This is. I’ve owned plenty of cars before this one and have always done little upgrades or modifications to make it ‘mine’, but I had my children early in life and always had other financial responsibilities to take care of first. Now that my kids are older I have more time and money to really build a car to my liking.

What drew you to the Chrysler 300 model?

When Chrysler first presented the 300 to the public I was immediately drawn to the look of the car. It seems to me to have the perfect balance of luxury and with a look of meanness to it. It is a very comfortable car to drive, whether it’s just down the street or road trip to Las Vegas!

Yours is a rare long wheel base 300. How did your partnership with Chrysler & Accubuilt come to be?

Not very many people know that this was actually an option that Chrysler offered for the 2007 and 2008 300’s. Chrysler wanted to get their foot in the door in the livery service market. To do this they needed to compete with Lincoln Town Cars and the BMW 7 series. The long wheel base gives a total of 46.2 inches of rear seat leg room, 10.2 cubic feet of additional interior space, wider rear door openings for easy entrance & exit and many other added optional features that the regular 300 doesn’t offer.

What is it about this vehicle that makes it ‘you’?

There are so many things that I've done to the car to add my own personal touch. One of the biggest I would say is my ‘Day of the Dead’ girl logo. It has been custom etched into the front emblem, the trunk wing, the door sills and many other locations on the car. It follows the ‘dark' theme that the car has, not necessarily evil but certainly leaning toward the ominous.

Is this your first time attending the SEMA show?

It is and I am very excited to be able to attend! It is a great feeling to know that others feel that something you have done is worth showing at such an important show such as SEMA.

2014 has been a good year for taking home car show awards and trophies. How many are you up to, and which one means the most to you?

At a quick glance I have been awarded over 20 trophies, plaques or certificates. One of the ones that stand out to me was from this year’s Extreme Autofest in Anaheim. The competition was very steep that day, there were many very nice looking cars and for them to award me a trophy that day was an amazing experience.

Can you tell us about the DARK300’s film debut?

My DARK300 will be in the Magnet Films release of the ABC’s of Death 2 on October 31st. It is a small part, but again for the director to personally ask for my car to be in the film is such a great feeling.

If you could select any car in the world to customize and modify to your specs, what would it be and why?

Hmmm, there are so many choices!! I think a 1931 Ford Model A would be something that I would like to work on. I would make it a Rat Rod but with my own personal touches.

Why did you choose AMSOIL? Any favorite AMSOIL product?

My whole family has been using AMSOIL products in all of our cars for as long as I can remember. I’ve never heard any complaints from them about any AMSOIL products. AMSOIL’s 100% synthetic oil has always worked great!

Do you have a favorite quote or motto that describes you?

I’d rather be looked at as the guy who’d try anything, rather than the guy who did nothing.

AMSOIL under the hood:
10W-30 Signature Series Synthetic Motor Oil
Absolute Efficiency oil filter
Signature Series Multi-Vehicle ATF
Severe Gear 75W-90 Gear Lube
Anti-freeze & Engine Coolant
Dominator Coolant Boost
Synthetic Brake Fluid


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