Here are tips on how to trace your AMSOIL synthetic oil order. We also offer suggestions on how to place your order if you won’t be home to receive it and how to order if you live in a rural area. Lastly we offer tips on how to determine if your region is eligible for AMSOIL free shipping offers.

Tracking UPS Shipments In The United States

UPS handles most AMSOIL orders in the United States under 350 pounds. Orders above 350 pounds are generally shipped by freight companies. The tracking method below applies to orders under 350 pounds. An email containing the tracking number is generally sent by UPS to the receiving customer. If you do not receive an email, it could be that AMSOIL does not have your correct email address on file or the email may have ended up in your spam folder. If you have your order number, the following steps will locate your order.

  • Go to the UPS Tracking Page
  • Click on “Track By Reference”. This is very important. This method will NOT work with “Track By Number”.
  • Then click on “Package”.
  • In the “Shipment Reference” box, type in your eight-digit AMSOIL order number (not the Internet Order ID #) and type in “.0” after it.
  • Type in the digits only. If there are letters after the order such as “SI”, do not include these.
  • For example, if your AMSOIL order number is 12345678, you would type in 12345678.0
  • UPS tracking may not generate tracking information for several hours after the order has shipped.

Tracking Loomis Express Shipments In Canada

Loomis Express handles most all Canadian AMSOIL shipments under 250 pounds. Orders over 250 pounds are handled by various regional transport companies. The method below applies to orders under 250 pounds. An email containing the tracking number is generally sent by Loomis to the receiving customer. This email would be from “”. If you do not receive an email, it could be that AMSOIL does not have your correct email address on file or it may have ended up in your spam folder. If you have your order number, the following steps will locate your order.

  • Go to the Loomis Tracking Page
  • Have your eight-digit AMSOIL order number ready. Do not include any letters that might follow the order number such as “SI”.
  • In the “Reference Number” area, type in your eight-digit AMSOIL order number (not the Internet Order ID #) and click on “Track”.
  • Then click on “View Status”.
  • Loomis tracking may not recognize your order for several hours after your order has been placed. Tracking information may not be available until the day after your order has been placed.

Tips For Delivery If You Aren’t Home

  • A signature is required to receive AMSOIL shipments. If you feel that the risk of theft is low, orders can be left at your home without a signature. Simply tell the operator when telephone ordering that no signature is required or add “No Signature Required” to the “Special Instructions” area when ordering online.
  • You can also use the shipping address of a third party such as a friend, relative, business or workplace that would be available to receive the order.
  • Orders can be addressed to a local Loomis (Canada) or UPS (US) depot or agent and then held there as a “hold and call for pick up”.

Tips For Rural Or Remote Delivery

If you live in a location that does not receive courier service, have your order shipped to a business or residential location in a town or city that does. Simply address the order in your name “care of” the receiving party.

Do All Locations Receive AMSOIL Free Shipping Offers?

Most all US locations (other than Alaska and Hawaii) will be eligible. Some very remote locations may be an exception. In those cases, have orders shipped to an address in a nearby town or city.
Some remote rural Canadian locations can be subject to “interline fees” and therefore would not be eligible for free shipping offers. Interline fees would be charged to areas that do not receive Loomis service and where third-party carriers have to be employed.

A solution for this situation is to ship to the nearest location that does not call for interline fees. A simple way to find this is to use the AMSOIL Interline Fee Lookup Tool.

  • Simply type in the postal code of a location.
  • Type in the weight of the potential order. Using 25 pounds works fine for this purpose.
  • Click on “Get Interline Fees”.
  • If the return is “No Results Found”, that is a good thing. That means that no interline fees will be charged, so free shipping would be available on qualifying orders. If a dollar amount is shown, then normal shipping rates will not apply and orders to this location would not be eligible for free shipping.

We recently had a customer ask us about which oil to use when breaking-in new or rebuilt Briggs & Stratton kart racing engines. Our view was always that these engines could be broken-in using Briggs & Stratton/AMSOIL 4T Synthetic Racing Oil. The customer also contacted Briggs & Stratton to get their official break-in procedure. Below is their response.

Briggs & Stratton/AMSOIL 4T Synthetic Racing OilStep-By-Step Break-in Procedure For The Briggs 206 Engine

Here are the official break-in steps  from Briggs & Stratton. 

The 206 engine ships without oil. There may be a small amount of oil residue in the crankcase. This would be from power testing of the engine. Only use Briggs & Stratton 4T Racing Oil by Amsoil. We engineered this oil specifically for our racing engines. Using automotive or other karting oils can have very negative consequences. There isn’t another oil that will offer better power output or protection.

Note that many of the break-in opinions on the internet are based on outdated information and incorrect beliefs. Here are our break-in recommendations:

  • Add 14 ounces of Briggs & Stratton/AMSOIL 4T Synthetic Racing Oil
  • Drive kart for for 10 minutes at varying RPM.
  • Let cool and do it again.
  • Let cool and do it again.
  • At this point, drain the oil while warm. This will keep any break-in particles suspended in the oil and easier to evacuate.
  • After an hour of operation, check the valve lash (as per Brigg’s specifications). Heat cycles help parts relieve any stresses held in during manufacturing. In our valve train, this usually opens lash slightly.

Briggs & Stratton is extremely pleased with the track record of 4T Synthetic Racing Oil. It offers the best combination of heat resistance, anti-foaming, friction reduction and reliability.

We can offer fast shipping of Briggs 4T Synthetic Racing Oil to any location in Canada or the United States. We can also offer the best prices and free shipping on qualified orders. Contact us for pricing using the form on this page.




A reader asks: What is the correct oil to gas mixture for a 1973 Ski-Doo TNT 340 snowmobile? Is it safe to use synthetic oil in older 2-stroke engines like this?

Our answer: The ratio suggested by Ski-Doo 45 years ago would not be relevant today. Oil technology has changed dramatically since the 1970’s. The ratio used should be the one suggested on the label of the chosen oil.

Vintage snowmobiles from that era suggested premix ratios ranging from 20:1 to 40:1. Conventional 2-stroke oils from the 70’s would have a fraction of the film strength of today’s sophisticated synthetic 2-stroke oils. Anyone who rode snowmobiles back in those days remembers the notoriously smoky exhaust. A larger volume of oil had to added to the fuel to provide adequate engine protection.

When using a modern 2-cycle oil, go with the ratio suggested on the oil bottle label. It will work just fine.

AMSOIL 2-Stroke Oil Choices For Vintage Snowmobiles

AMSOIL Synthetic 2-Stroke Injector OilIf you looking for an AMSOIL synthetic 2-cycle oil for your classic sled, we’ve got two candidates.

AMSOIL Synthetic 2-Stroke Injector Oil is a value-priced synthetic that offers big features at a better price than many conventional and semi-syn 2-cycle oils. This product offers clean burning performance, low-smoke and exceptional wear protection. Synthetic 2-Stroke Injector Oil is also versatile as it can be used in snowmobiles or outboard engines. Ideal for either premix or oil injection systems.

AMSOIL Interceptor Synthetic 2-Stroke Oil is the absolute cream of the crop for the very latest high-tech snowmobiles. It also highly effective as a premix in older engines. AMSOIL Interceptor Synthetic 2-Stroke Injector OilInterceptor offers a sophisticated synthetic base oil and a high detergent content for ultra-clean combustion and incredible deposit-fighting ability. Interceptor is the ultimate 2-stroke oil for maximum performance and wear control.

With either AMSOIL choice, go with the prescribed 50:1 ratio. This is a very conservative ratio that will deliver clean combustion and the best possible wear protection in any 2-cycle snowmobile engine. Use this ratio regardless of the original oil/gasoline mix ratio recommended by the snowmobile manufacturer.

Is Modern Synthetic 2-Stroke Oil Safe for Vintage Engines?

There are no compatibility problems with running synthetic 2-stroke oil in older engines. Synthetic oil is 100% compatible with all seal and gasket materials. There is nothing but strong benefits to using synthetic oil in older 2-strokes. Expect minimal exhaust smoke, improved throttle response and maximum wear protection.

Easy Oil/Gas Mix Ratio Calculator

Here is a link to a very helpful 2-stroke mix ratio calculator.

  • Choose whether you want to use Metric or US measurements.
  • Then add the number of US gallons or litres of fuel you will be mixing.
  • Type in your desired mix ratio and click on “Calculate”. The calculator will tell you exactly how much oil to add to the gasoline.