The tire producer / manufacturer and Canadian Tire uses this fee to pay for the collection, transportation, and processing of used tires. Also this is my first UOA and i couldn't get enough oil as stated so they were not able to do the flash point test. The other hidden benefit is that the host oil during the cleaning phase is run for an extra 1000 miles, which provides for greater economy. Castrol GTX Double Action formula cleans away old sludge and protects against new sludge formation better than tough industry standards*.

You can change your choices at any time by visiting Cookie preferences, as described in the Cookie notice. Mastercard, World Mastercard and World Elite are registered trademarks, and the circles design is a trademark of Mastercard International Incorporated.Castrol offers a broad range of 10W-30 engine oils, including premium full synthetic, high mileage and conventional, meeting the needs of both drivers and vehicle manufacturers. Castrol GTX 10W-30 Double-Action formula has been engineered to clean away old sludge while preventing new sludge formation. For any type of heavy duty use such as those you mentioned, I would definitely be using the Rotella or another HDEO for the reasons electrolover lists. To calculate the overall star rating and percentage breakdown by star, we don’t use a simple average. Castrol GTX 10W-30 is suitable for use in automotive oil and diesel engines where the manufacturer recommends an API SL/CF or earlier specification 10W-30 lubricant.

I wouldnt do anything like auto-rx after coming to the conclusion our motors really dont need the stuff for 20,000 something miles the first time is 5000 miles i think, and your supose to pour it in with a fresh oil change another 3 or 4 times in steps to get it to work like advertised sounds like complete bs. Subarus have more trouble than many engines with staying clean internally, which is a significant factor in why so many use so much oil.Some, when pushed to make a warranty repair on an engine, will say that 1 qt/600 miles is acceptable.

Castrol GTX Double Action formula cleans away old sludge, and protects against new sludge formation better than tough industry standards. Sludge can block your engines vital oilways like cholesterol and if untreated, it can rob an engine of power, and ultimately, its life. If the Amount Financed is not paid in full within 6 months, interest will be charged to you account from the purchase date and your total payments will be greater than the amount of the Amount Financed.The 103 third parties who use cookies on this service do so for their purposes of displaying and measuring personalized ads, generating audience insights, and developing and improving products. Castrol GTX Double Action formula cleans away old sludge**, and protects against new sludge formation better than tough industry standards. We use cookies (and equivalent technologies) to collect and analyse information on our site's performance and to enable the site to function. If your car needs SAE 10W-30 engine oil, Castrol offers a range of options, all of which flow like 10 Weight oil when cold, and 30 Weight oil at full engine operating temperature. Castrol EDGE, an advanced full synthetic 10W-30 motor oil, is Castrol’s strongest oil and a great option for those who want the very best for their car.

There is an averaged out survey done by a BMW forum of UOA results for a 5K mile OCI that compares different synthetics and non synthetics including GTX 5/30, but I've not seen one with HDEO's. When you were running the Mobil, how much make up oil were you adding during each oil change interval? Group III oils such as Pennsoil Platinum provide great cleaning and rinse performance, for those that feel the need to run a more durable oil in the cleaning and rinse phase, when compared to a dirt cheap dino oil.I will agree that all this UOA shows is that previous oils used, change intervals, and possibly lack of repairs/maintenance have made this engine what it is. If your car has over 75,000 miles on the odometer, Castrol GTX High Mileage 10W-30 can help protect your emission system while helping to extend the life of your engine. Castrol GTX is a premium conventional motor oil that has been helping to extend engine life for over 50 years. As a gently-driven DD which is using no oil, I don't see a whole lot of reason to change what you're doing. In a marine application an hdeo such as rotella conventional would be far better simply because of sustained high rpms,oil heat and shear.