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Amsoil vs Mobile 1, Royal Purple, Castrol, ValvolineMotor Oil TestingAPI Motor Oil Testing:
Test Compare SAE 5W-30 motor oilsBelow we Compare the performance in laboratory tests and cost-effectiveness of AMSOIL Signature Series 5w-30 Synthetic Motor Oil to several passenger-car/light-truck synthetic motor oils including Castrol Edge® with Titanium Fluid Strength Technology® Lucas Synthetic Mobil 1™ Extended Performance Pennzoil Ultra™ Petro-Canada SUPREME Synthetic™ Quaker State Ultimate Durability™ Red Line High Performance Motor Oil Royal Purple High Performance Motor Oil Valvoline SynPower® Full Synthetic Motor Oil widely considered by marketers and consumers to be the best available. Laboratory bench testing conducted in accordance with American Society of Testing and Materials (ASTM) procedures examined several important areas of motor oil performance, including resistance to deposit formation, wear protection, high-temperature stability, resistance to acid formation and cold-temperature performance. Bench tests are used widely to differentiate between formulations.
Note: Test results published in this Technical Study describe and represent properties of oils that were acquired on the dates listed in Table 1 (page 3). Results do not apply to any subsequent reformulations of such oils or to new oils introduced after completion of testing. All oils were available to consumers at the time of purchase. Testing was completed February 2013 by an independent, third-party lab. Formulations were coded to eliminate bias, and samples were tested in random order. An appropriate number of trials of each oil were run to produce results at the 95 percent confidence level when compared to Signature Series Synthetic Motor Oil. *Mobil 1 is not recommend for extended service in vehicles used in severe-service driving conditions. See official statement on the Mobil 1 Extended Performance label. Amsoil's severe service recommendation is 15 thousand miles or 1 year. Now thats unmatched performance!! ASTM Tests
Performed
Candidate
Oils
Four-Ball Wear Test (ASTM D
4172 Mod.)
Results
Total Base Number (ASTM D
2896)
Results
Cold Cranking Viscosity (ASTM D
5293)
Results
Thermo-Oxidation Engine Oil
Simulation Test (TEOST, ASTM D 6335)
*Results for Red Line High Performance ranged from 29.1 mg to 31.4 mg. The average of the three tests run is shown in the graph. Results
NOACK Volatility Test (ASTM D
5800) In the NOACK test, a candidate oil is exposed to heat and circulating air. Following 60 minutes, the remaining oil volume is weighed and compared to the original weight, with the difference reported as the percentage of weight lost. Results must be limited to 15 percent or less to meet the API SN and ILSAC GF-5 specifications.
Results
Overall Annual
Cost Per-quart prices (Table reflect the MSRP where available or average of a cross-section of retail
outlets
1 AMSOIL defines normal service as personal vehicles frequently traveling greater than 10 miles at a time and
not operating under severe service.
*Mobil 1 is not recommend for extended service in vehicles used in severe-service driving conditions. See official statement on the Mobil 1 Extended Performance label. Amsoil's severe service recommendation is 15 thousand miles or 1 year. Now thats unmatched performance!! Results Conclusion Royal Purple Info As you may know, Royal Purple is well known in racing circles. The chemistry they use is something AMSOIL, Inc. chooses not to use in their oil formulation. One of Amsoil's big selling points is extended drain intervals, such as our 25,000 mile and 25k mile oil change intervals. Some additive chemicals such as Moly may cause adverse conditions when used for long periods. Royal Purple uses a different chemistry than most oil producers. They are one of only a handful of marketers using Molybdenum Disulfide (Moly) in their oil formulations at these higher levels. Moly is a processed mineral that is similar in appearance to graphite. Moly has good lubricating properties when used either by itself (in dry power form or as an additive to oil or other lubricants). Particles of the Moly can come out of suspension and agglomerate. Over time this may actually clog or partially clog oil filters or oil lines and the remainder normally settles in the bottom of the oil pan. This seems to be more likely when using extended drain intervals. The only test we ran on Royal Purple involved their 20W50 Racing oil versus our AMSOIL Series 2000 Synthetic 20W50 Racing Oil (TRO). We ran two 4 ball wear tests with different parameters, a spectrographic baseline, FTIR scan and volatility tests. The Royal Purple showed a significantly high volatility rate with a 12.51% boil off rate. This compares to the AMSOIL TRO with only a 4.47% volatility rating. Wear scars were also smaller with the TRO. For example the AMSOIL TRO left a .41mm scar and the Royal Purple oil left a .66mm scar. The lower the scar damage number the better! There was also a surprising difference in the viscosity index. The RP has a VI of 129 versus 155 for the TRO. The higher the VI, the better the viscosity stays in place at high temperatures.
Note: This information was provided by AMSOIL, Inc. Tech Department. An independent lab tested the Royal Purple 20W-50 racing oil against the AMSOIL 20W-50 racing oil. The results are posted above. Test results found Moly in the Royal Purple oil sample.
6 Month Amsoil Preferred Customer Trial Membership Form Register for trial preffered customer membership Now and Save 25% off Retail Prices
If you would like the Trial Membership, fill out the form below. Takes about 24hrs for your personal account number to be processed and sent to you via email. The Preferred Customer program allows the public to be able to buy at the same wholesale prices that a dealer would pay without the responsibilities of being a dealer. This will enable you to receive anywhere from up to 25-30% discounts on all products. You can always renew the membership in the future at any time to continue to receive the benefits of the substantially lower wholesale pricing. Once again, to see the savings, click here to get the wholesale price list. As a Preferred Customer, you will not have to pay the retail pricing and there's no limits on orders. Simply take a moment to fill out this quick and easy form and we will get your membership processed right away. Why are we offering this 6 month Trial Membership? I believe any AMSOIL user can benefit by becoming a Preferred Customer (PC). As a PC you can buy AMSOIL lubricants at wholesale prices (the same prices AMSOIL Dealers pay) and have AMSOIL shipped direct to your home or business. Furthermore, when you sign up using this form, I will be able to assist you in the proper selection of lubricants and filtration products for your application. Thanks in advance for registering.
6mo.Trial Membership Enter "TRIAL" in the comments box below Approximately 1 day after you submit this form you will receive a Preferred Customer account number. Then in 7-10 days after you will receive a Preferred Customer start up kit which includes a catalog, price list and some other items. You can call Amsoil Toll-Free and place your wholesale orders weekdays between 7 am to 5 pm central time immediately after you receive your account number via email. Or if you wish to place your order online you can go online and login to the preferred customer Zone and order there.
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Joe Lee - Authorized Amsoil Dealer PH (763) 213-9163
Email: amsoilsynthetics@q.com