Breaking in a New Engine - extend your engine life with Amsoil!

Lets cover the basics of breaking in a new engine first. The engine break-in issue is the subject of much controversy as everyone seems to have their opinion on when an engine is considered fully broken in.

The information we provide is based on the results of engineering studies as well as many years of experience and teardown analysis on test vehicles. The differences between a vehicle that was properly and fully broken in and one that was not can often be hard to detect, yet there are tell-tale signs of this but they are not easily detected except in all but the most extreme situations. The subject of what occurs during the break-in process can easily be the subject of a 100 page report therefore what we cover in this web site page is only the essential points you need to know.

Breaking in an engine is a process of properly wearing-in the pistons/cylinders/rings, bearings, valves, camshaft, lifters, rockers, etc... In addition, part of the breaking in process is not only wearing-in and seating the internal engine components but also stress relieving the components as well. Crankshafts, connecting rods, pistons, blocks etc... have many stresses due to the casting or forging process, machining and welding process. We have viewed and measured these stresses, called fringes, using what is called lazer holography. These stresses are properly reduced/eliminated by costly and time consuming heat aging as well as shot peening and or high frequency vibration on a very specialized bedplate for an extended period of time. For production applications this is cost and time prohibitive. Therefore, the next best thing is exposing your engine to multiple heating and cooling cycles under various load and RPM's, which is described in the following paragraph. The heating and cooling break in process continues over a period of time and does not need to be run on petroleum oil.

Breaking in a new engine is the one area that petroleum oil is better for than synthetics. You see, petroleum oil has a very low film strength which is ideal for breaking in a new engine. That is why we recommend you run the factory installed petroleum oil for about the first 500 miles.

Further heat cycling break-in will continue during the multiple heating and cooling cycles from driving your vehicle under varying RPM and engine load conditions and then shutting it down for a long period of time to let it cool completely. The multiple heating and cooling cycles are a extremely important factor in properly breaking in a new engine and are often an overlooked factor in the total break-in process. These heating and cooling cycles achieve what is called stress relieving. Back in the "old days" of engine manufacturing, after casting and before an engine block was machined, it would be set outside for several months to age, during which stress relieving occurred naturally, then the block was machined, which helped to produce a better engine than one that was machined immediately after casting.

By changing the factory installed oil and filter after the first 500 miles you will also be removing the initial wear-in particulates present in the oil and filter. The reason for this is that during initial wear-in there is very high particulate contamination in the oil. These particulates consist mainly of microscopic particles of aluminum, bronze, copper, lead and iron, plus soot particles and other by-products of combustion in your oil. Your filter cannot filter out all these small particulates as many are sub-micron size and too small for the filter to trap, BUT they are also small enough to fit between your bearing and other internal clearances and cause wear. That is why we recommend to that in order to properly break-in a new engine, regardless of what your new car salesman or dealership personnel tell you, is to perform the first oil and filter change at 500 miles.

You've paid a lot of money for your new vehicle, learn about the best oil to use to extend your engine life far beyond what the manufacture intended!

Once you have installed AMSOIL you will notice all of the following benefits:

Easier cold weather starting, cold weather pumpability and circulation, smoother engine performance and more horsepower, reduced exhaust emissions, superior wear protection, improved fuel economy, extended engine life, extended starter life, excellent engine cleanliness, long drain intervals, longer spark plug life, reduced engine temperatures, reduced oil consumption, excellent resistance to sludge, coke, varnish deposits (Thermal Stability), reduced/eliminated piston groove sticking, reduced/eliminated valve sticking, superior shear stability, superior resistance to viscosity increase (Volatility Resistance), superior film strength, money and time savings. You will not get any of these benefits with conventional petroleum oil.

Converting to AMSOIL synthetic motor oil is easy.

Some of the most frequent questions people ask us about AMSOIL are, what is required in order to convert to AMSOIL, how long do I have to wait before installing AMSOIL in a new engine, and what can I expect to notice once converted to AMSOIL?  Here are our answers in a detailed explanation:

Converting a vehicle to AMSOIL synthetic motor oil is fairly simple, but there are a few things you need to be aware of. First, if you have a brand new vehicle we recommend that you run a short cycle of petroleum oil on a gas engine passenger car or light truck (typically 500 miles) and approximately 5000 miles on a diesel engine before installing AMSOIL. This doesn't mean that you can't install AMSOIL sooner, as many OEM's install synthetics as a factory fill, it simply means these are our recommendations based on our extensive engineering studies and knowledge of this topic. Today's modern engine manufacturing and materials technology is much more sophisticated than in years past. Regular gas engine passenger cars and light truck engines do not require the extensive break in process many people think they do. In addition, by the time you get your new vehicle the engine has already been through a series of hot tests also run on in-plant chassis rolls testers to check functionality of all systems and then driven around the plant and railhead in order to get the vehicle to the dealer, which also helps accelerate breaking in of the engine.

AMSOIL Engine Flush:

In a new engine with less than approximately 20,000 miles it is not imperative that AMSOIL Engine Flush be used. In an engine with more than 20,000-30,000 miles and beyond, that has been using petroleum oil the entire time, we highly recommend using the AMSOIL Engine Flush. What the engine flush will do is remove the petroleum oil sludge & varnish deposits from your engine and properly prepare your engine for AMSOIL Synthetic Motor Oil. You simply pour in one can for every 5-6 quarts of sump capacity (one can is sufficient for most all passenger cars & light trucks, with the exception of diesels), and let the engine idle for about 15 minutes then drain the oil and remove the filter while the oil is still warm. Do not drive the vehicle with the engine flush installed. If you have an extremely dirty or high mileage engine then we recommend installing a new engine oil filter prior to adding the flush so that you have full capacity of the filter available for capturing and holding the dirt particles that the flush removes. AMSOIL's Engine Flush is a detergent based flush with some kerosene and other petroleum distillates that act as the carrier for the flushing and cleaning agents. The detergent used is a 2-butoxyethanol, glycol ether and is essentially a very concentrated form of the detergents used in motor oil.

AMSOIL Synthetics are naturally cleansing and also high in detergents. What happens when you operate an engine on petroleum oil, the sludge and varnish deposits that occur as a result of using petroleum oil will accumulate around your pistons, rings, seals, valvetrain, etc.. and actually help to seal your engine. This type of petroleum oil deposit "sealing" can lead to problems such as piston ring sticking, sludge deposits in valve covers and oil pans which can lead to decreased oil pump capacity output and restriction of critical oil galley passageways over an extended period of time, plus many more issues which we will not go into detail in this discussion. These deposits are highly detrimental to the proper function and longevity of your engine.

What occurs when you use AMSOIL Engine Flush is that it cleans all these deposits out from your engine, both the highly accumulated deposits as well as the sub-micron deposits which have accumulated in the microscopic valleys of the aluminum, copper, iron, etc.. engine components. If you do not use the engine flush the AMSOIL Synthetic Motor Oil will do essentially the same thing the flush does but take a much longer period of time. During this time, which is greatly accelerated when using the AMSOIL Engine Flush, the engine is going through a phase where these deposits are being removed, or have been removed. What exists now is that these microscopic valleys in the iron, aluminum, copper, etc.., are now empty. It takes some time for the molecular structure of the AMSOIL Synthetic Motor Oil to fill these microscopic valleys. This can be as short as a few hundred miles or as long as a few thousand miles, depending on the internal condition of your engine. During this phase you may, or may not, notice slightly increased oil consumption BUT only until the uniform molecular structure of the AMSOIL Synthetic Motor Oil can re-seal these microscopic valleys.  Most people do not even notice this phase, but we like to make people aware of it so they understand this process. This is perfectly normal and the oil is doing exactly what it was engineered to do.

You may have heard the myth that synthetic oil can cause engine seals to leak. Synthetics absolutely do not cause seals to leak, they simply may reveal an existing blockage that is caused by the use of petroleum oil. Synthetics will clean out sludge caused by petroleum, exposing the leak. What happens is exactly as we described above. If you have a very old engine that has been running petroleum oil, and it also leaks, for example around the rear-main oil seal, then chances are it will leak more with synthetic oil because of it cleaning out the sludge. Either the seal lip is worn down or the seal is hardened and cracked from old age, heat and ozone. This blockage is commonly referred to as a false seal. AMSOIL Synthetic Motor Oils are recommended for use in mechanically sound engines! If you have a vehicle that leaks oil excessively, then repair the seal prior to converting to AMSOIL.

Interested in becoming an AMSOIL Dealer?

Knowledge is Power! We have set up a plan to help you excel in your own AMSOIL Dealership. This is exclusive to dealers in our group only! With effort and the information we provide, you should be well on your way to creating a successful business. We have the knowledge base to help you succeed! We are the largest group in AMSOIL consisting of OEM Engineers, Designers and lubricant specialists. We are confident that our experience will provide an excellent source of knowledge and information while building your dealership or using AMSOIL synthetic products in your vehicles / equipment. AMSOIL has the warehouses, manufacturing, distribution systems and marketing plan already in place! All you have to do is use the tools offered and develop your own personal group of AMSOIL Dealers. AMSOIL is an excellent company to represent and the synthetic products are the best there is, period!

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