Don't remember it being there before the oil change. Ryan McCain. It provides outstanding anti-wear protection and reduces sludge formation. Our high quality base oil is 99.5% pure, contains fewer impurities than base oils made from crude oil, and when combined with our advanced additive . . #3. was $37.87. Lucas High Mileage Oil Stabilizer. Finally . In addition to lubricating moving parts to help reduce wear and tear and the buildup of heat in your engine, motor oils contain performance additives that help to reduce oxidation, neutralize acids, prevent rust, corrosion, and foam, condition seals, save fuel, and keep your engine clean. Mobil 1 5W-30 is an advanced full synthetic motor oil designed to keep your engine running like new by providing exceptional wear protection, cleaning power and overall performance. . stay away from store brands ie: O'reilly's, Napa etc, because they are not as good. Add. Part #: 10-40-5QT Line: ORO. O'Reilly Auto Parts has the parts and accessories, tools, and the knowledge you may need to repair your vehicle the right way. Search: Castrol 5w30. GM dexos1: GEN2 Licensed OW-20, 5W-20, 5W-30, 10W-30, 10W-40. Add. Aug 27, 2020. #2. I, personally, have never known of any of my kin or friends who had to have a clogged converter replaced. Interestingly, the oil meets API requirements, with 20w50, 5w20, 10w40, 5w30, and 10w30 viscosity grades. Royal Purple HMX SAE 5W-30 High-Mileage Synthetic Motor Oil (1 Quart) (0 reviews) | 11744. Castrol EDGE, an advanced full synthetic 5W-30 motor oil, is Castrol's strongest oil and a great option for those who want the very best for their car 5W-30 motor oil is one of the most common viscosity grades and is available from Castrol in advanced full synthetic, premium full synthetic and synthetic blend options SKU # 852723 Click here to get all the product details . Thicker or higher viscosity metal oil has a better seal compared to low viscosity oil. 4. Most premium synthetic motor oils become impure or contaminated after 6-7 months of use. Mobil 1 High Mileage Motor Oil. O'Reilly Synthetic Motor Oil provides high quality engine protection under all driving conditions and . . 10w30 is thicker than 5w30 because it has a higher viscosity in low temperatures. Available in 1-qt.
30 DAY REPLACEMENT IF DEFECTIVE. About The Author. Find a O'Reilly auto parts location near you at 10617 State Road 54. Most premium synthetic motor oils become impure or contaminated after 6-7 months of use. 5w30 toyota 4liter OEM CNGZCJME11 5w 30 synthetic oil 5w 30 oil,5w 30 synthetic oil,5w 30 vs 10w 30,5w 30 motor oil,5w 30 vs 5w 20,5w 30 engine oil,5w 30 vs 5w 40,5w 30 high mileage oil,5w 30 dexos oil,5w 30 oil autozone,5w 30 amsoil,5w 30 autozone,5w 30 and 10w30,5w 30 and 5w 40 difference,5w 30 atv oil,5w 30 a3/b4,5w 30 and 5w 20 difference,5w 30 alternative,5w 30 audi a4,5w 30 a5,5w 40 a 5w . Outstanding overall performance in high mileage engines*. 1060 reviews. Container Size: 5 Quart. EDGE High Mileage 5W-30 Strength for Maximum Performance Description Castrol EDGE High Mileage is part of our strongest and most advanced range of full synthetic engine oils. #11. Use the correct grade. Digger 66 hit the nail on the head. Platinum High Mileage is intended for use in engines with 75,000 miles or more. Buy Pennzoil from Amazon. So, we'd suggest using this synthetic oil if your car is high mileage and demands high performance. . . Oil Selector. 19,357. . O'Reilly has a UOA result that is pretty outstanding and appears on the higher side compared to some other brands. Or, vehicle owners are told by the manufacturer to change the oil after every 7000-10,000 miles. A Euro oil like M1 0w-40 will typically have more than sufficient ZDDP for most mild to moderate FT builds. 30 DAY REPLACEMENT IF DEFECTIVE. Mileage 5W-30 Motor oil 5 QT. #1 Best Seller. Castrol GTX Essential 5W-30: 469737: USA: English (US) 08 Jan 2021: N/A: MSDS: Castrol GTX Gas 20W-50: 467907: USA: English (US) 06 Nov 2020: N/A: MSDS: Castrol GTX Castrol EDGE, an advanced full synthetic 5W-30 motor oil, is Castrol's strongest oil and a great option for those who want the very best for their car Castrol EDGE is our strongest oil with Fluid TITANIUM . If you operate your car in a hotter climate or ring your engine out often, a viscosity of 10W-40 is best. 251 4.8 out of 5 Stars. Valvoline High Mileage with MaxLife Technology. Thus, you will not experience minor burn off and oil leakage. Castrol Edge High Mileage Synthetic Motor Oil. The new oil is specifically designed for high mileage . AmazonBasics Full Synthetic High Mileage Motor Oil : Best Budget Synthetic Motor Oil. Leaks and oil burn off which is thick or thin a lubricant is Acura TSX Forum >. Sea Foam High Mileage Motor Treatment. and 5-qt. View All Applications . Mobil 1 Extended Performance High Mileage. . This leads to less leakage and oil burn-off, which can be common in older cars. Quaker State 5W-30 All Mileage Motor Oil, 5 Quart. 5w20 and 5w30 are synthetic engine oils that make both oils very flexible 1Based on independent testing of AMSOIL Signature Series 0W-20, in ASTM D6891 as required by the API SN specification 8 out of 5 Stars When choosing 5w-20 oil for American cars we recommend . Read up on it on the "Bob is the Oil Guy" Forums. Keep them on the road with Mobil 1 High Mileage synthetic motor oil. The best thing about oil is that it protects the seas. Lowers friction and improves gas mileage Provides longer engine life . Posted June 10, 2017. current price $16.16. Castrol GTX High Mileage 5W-30 Synthetic Blend Motor Oil, 1 Quart Valvoline Daily Protection SAE 5W-30 Conventional Motor Oil 1 QT Mobil 1 High Mileage Full Synthetic Motor Oil 10W-40, 5 qt 203 Clearance Valvoline High Mileage MaxLife 10W-40 Synthetic Blend Motor Oil 5 QT About this item Product details SAE 5w-30 synthetic motor oil helps prevent emission system failure and extend the life of your high mileage vehicle Free In-Store Click here to get all the product details Get deals on automotive parts, truck parts and more Advances in engine technology have led to increased power and efficiency, meaning engines work harder and under higher pressures than ever before . Part #: HIMI5-30-5QT Line: ORO. 2. 19,357. . Pennzoil Platinum full synthetic SAE 5W-30 motor oil is uniquely engineered from our revolutionary PurePlus gas-to-liquid technology, which is a patented process that converts pure natural gas into a high quality, full synthetic base oil. Check Availability <<. Buy online, pick up in-store in 30 minutes. I've been using 0W-20 the entire time I've had the car. I switched from Pennzoil 10w-40 to the same Carquest 10w-40 you have in my liquid-cooled 250cc Kymco scooter.
Castrol GTX High Mileage Engine Oil Synthetic Blend 5W-30 5 Quart. The advanced full synthetic oil is made with a proprietary blend of high-performance base stocks . I don't have any issue, but I run their synthetic oil in my 80, 100, and in my Sienna. Let the flaming start. CURRENT SALE AD. Mobil Super High Mileage 5W-30 uses a combination of synthetic and conventional high quality base oils combined with modern performance additives to help provide long engine life and outstanding protection for vehicles with more than 75,000 miles. viscosity grades: 5w20, 5w30 and 10w30. Mobil 1 technology comes as standard . 0W-20 | 5W-20 | 5W-30 | 10W-30 | 10W-40. If you check Amalie's website, you'll see the containers are identical to yours (grey bottle with a red cap). At 100C the 30 grade is thicker than the 20. You'll have noticed motor oils are referred to in terms such as '5W-30' or '10W-40'. 5w30 toyota 4 liter OEM CNGZCJME11,5w-30 synthetic oil,5w-30 oil,5w 30 oil,5w 30 synthetic oil,5w 30 vs 10w 30,5w 30 motor oil,5w 30 vs 5w 20,5w 30 engine oil,5w 30 vs 5w 40,5w 30 high mileage oil,5w 30 dexos oil,5w 30 oil autozone,5w 30 amsoil,5w 30 autozone,5w 30 and 10w30,5w 30 and 5w 40 difference,5w 30 atv oil,5w Mobil 1 Extended Performance High Mileage full-synthetic motor oil 5W-30 is designed for engines with over 75,000 miles to go up to 20,000 miles between oil changes. Buy Pennzoil from O'Reilly. Buy online, pick up in-store in 30 minutes. Search: Castrol 5w30. O'Reilly Conventional Motor Oil 10W-40 5 Quart . O'Reilly Conventional Motor Oil 5W-30 5 Quart . Show More Show Less Compare. . We offer a full selection of automotive aftermarket parts, tools, supplies, equipment, and accessories for your vehicle. 0W-20 | 5W-20 | 5W-30. It also protects against thermal breakdown which helps prevent stuck rings. O'Reilly Synthetic Motor Oil low friction formula helps improve gas mileage for long engine life and helps protect against rust, corrosion, startup wear, varnish build-up, and eliminates the need for extra oil additives. 2 that creates formulas for use by different devices suggest 5w30 all! 5W-30 0W-20 0W-40 About this item For best performance, follow the manufacturer's recommendations in your vehicle owner's manual. The water in the oil causes sludge, which can block oil passages and prevent it from getting to all parts of the engine. Available in 5W-20, 5W-30, 10W-30 and 10W-40 viscosities. This oil is made from natural gas instead of crude oil, which makes for less oil burn off. 251 reviews. new port richey, FL #5345 5905 state rd 54 (727) 569-4233. The Valvoline High Mileage 5.3 Vortec Reviews will provide better Mileage for a high-mileage Motor oil consisting!, consider switching to a high-mileage Chevy 350 specific studies that demonstrate Synthetic oil will provide better for! Shell Rotella T6 Diesel Engine Oil : Best Diesel Motor Oil. It is formulated especially for cars that run more than 75000 miles. valvoline 5w30 conventionalsummer lax splash 2021. 5w30 high mileage in the 100 and Sienna, and 10w30 high mileage for the 80, all full synthetic. Not only that, be assured of an extra anti-wear additive, these ensures a longer engine life. Also, 5W-20 is a relatively low viscosity oil. Standard Delivery. Valvoline High Mileage with MaxLife Technology SAE 5W-30 Synthetic Blend Motor Oil 5 QT (Packaging May Vary) #15. From Pennzoil is one of the best Motor 5w-30 conventional oil high mileage is Mobil 1 High Mileage 5W-30 /a > Pennzoil SAE. O'Reilly High Mileage 10W30. Ideal for engines over 75,000 miles and for longer drain intervals Helps prevent build up that can cause rust and corrosion Reduces friction for less engine wear High resistance to viscosity and thermal breakdown Save on Synthetic 5W-30 Motor Oil at Advance Auto Parts. Just trying to figure out what the problem is , and wether I should try switching oil and filter. I only have 40,000 miles on the Pathfiner, by the way. Save on Synthetic 5W-30 Motor Oil at Advance Auto Parts. Pennzoil Platinum High Mileage Motor Oil; Pennzoil Full Synthetic Motor Oil; Synthetic Blends and Conventional Motor Oils. Although affordable, this brand of synthetic motor oil is highly efficient and works well for various vehicles. Engines designed for the 20. SELECT STORE. 21 offers from $28.97. Quaker . $17.97. 1999 - 2022 Chevy 5.3 Oil Capacity & Oil Type. The engine oil will flow slower than 5w30 during the cold season. Vehicles with more than 75,000 miles need extra care. Q. Home Delivery. Buy Pennzoil from Napa. Protects engines under all driving conditions It has an advanced full synthetic formula thereby giving you all the advantages of a synthesized oil. Castrol 03087 Edge. Royal Purple HMX SAE 5W-30 High-Mileage Synthetic Motor Oil (1 Quart) (0 reviews) | 11744. Your carquest 10w-40 synthetic high mileage oil is made by Amalie. in Motor Oils. 6 offers from $45.47. High Mileage: Yes. 24,875. Pennzoil High Mileage motor oil is formulated to help stop leaks from seals and reduce oil consumption in worn engines. Buy online, pick up in-store in 30 minutes. Pennzoil High Mileage Motor Oil. Read more: John Deere Hy Gard Oil Equivalent [J20C & J20D] . bottles, Mobil 1 High Mileage full-synthetic motor oil 5W-30 also helps control oxidation to prevent oil breakdown and is recommended by ExxonMobil for all types of modern cars, SUVs, light vans, and light trucksincluding those with high-performance, turbocharged, supercharged, multi-valve, or fuel-injected engines. It is available in viscosity grades: 5W30, 10W30 and 10W40. * Utilizes Mobil 1's Triple Action+ Formula to combine outstanding engine performance, protection, and cleanliness with the added benefit of power Mobil 1 5W-30 meets or exceeds the requirements of the industry's toughest standards and outperforms our conventional oils. 1060 4.8 out of 5 Stars. FIND A STORE. Select a store to see pricing & availability Multiple Applications. Been using it for 4 years in the 80 series, 3 in the 100. check if this fits your vehicle.
Our Mobil 1 High Mileage 5W-20 contains seal conditioners to help reduce leaks; however we have seen situations where the cleaning power of Mobil 1 removed sludge from engines which had been preventing leaks. Thicker Anti-Wear Film Protects Against Friction. Used valvoline 5w30 high mileage synthetic blend and a Nissan filter. Right now, get a five qt bottle of NAPA Full Synthetic Motor Oil or NAPA Full Synthetic High Mileage Motor Oil for just $22.49, or pay $4.99 for one qt of either. Mobil 1 ESP. Part #: HI-SYN10-30 Line: ORO . So, even in those engines that may be more prone to forming sludge for short-distance, cool-weather drivers will be protected. For commuting in most warm or cold climates, a 5W-30 synthetic oil fits the bill. * Utilizes Mobil 1's Triple Action+ Formula to combine outstanding engine performance, protection, and cleanliness with the added benefit of power Purchased at: Edison, NJ Date of purchase: 9/2/2019 Website(s): www.walmart.com Company Information: With 11,700 stores worldwide, (4,761 in the U.S.), Walmart is the world's largest retailer. AMSOIL Signature Series Synthetic Motor Oil. Passenger car motor oil is the lifeblood of your engine. $16.16. Valvoline High Mileage with maxlife Technology Synthetic Blend Motor Oil. Amazon. Mobil 1 High Mileage.
O'REILLY High MileageMotor Oil is recommended for older engines, which owner's manual calls for API SM, SJ, SH, SG, SF, SE Service Classifications or any combinations thereof. STP does extensive advertising and you the consumer are the person footing the bill thru higher prices on the shelf which in turn pays for the racing teams that you follow. Save with. More than anything I felt like I had really screwed up by . As much as we prize our little engines the brand of oil isn't going to matter. oil is basically oil, and yes the additives are what sets oil apart, however, 5W-20, 5W 30, or . Select a store to see pricing & availability Oil . Thread starter Jimmy9190; Start date Sep 26, 2015; Status Not open for further replies. . Thicker oil offers better lubrication of motor and engine parts. #1. Or, vehicle owners are told by the manufacturer to change the oil after every 7000-10,000 miles. Such is not the case with Castrol 03087 Edge- you can drive 20,000 miles on a single oil change. Quaker State 5W-30 All Mileage Motor Oil, 5 Quart. O'Reilly. Mag 1 Conventional Motor Oil 10W-30 1 Quart. With the sludge gone, more leakage was seen. Valvoline High Mileage with MaxLife Technology SAE 5W-30 Synthetic Blend Motor Oil 5 QT (Packaging May Vary) NAPA High Mileage Motor Oil is also a great value this month at $18.99 for a five qt bottle or $3.99 for one qt. Product: SuperTech High Mileage Viscosity Grade: SAE 5W-30 Labeled: API SN PLUS/ILSAC GF-5 Distributed By: Walmart Inc. Brand Information Shop O'Reilly Auto Parts online. Sae 30 vs 5w30: Underline The Difference. Engines with high mileage require special care from their oil and Pennzoil Platinum High Mileage Full Synthetic 5W-30 Motor Oil is our recommendation for applications as such. bottles, Mobil 1 High Mileage full-synthetic motor oil 5W-30 also helps control oxidation to prevent oil breakdown and is recommended by ExxonMobil for all types of modern cars, SUVs, light vans, and light trucksincluding those with high-performance, turbocharged, supercharged, multi-valve, or fuel-injected engines. Valvoline Advanced Full Synthetic SAE 5W-30 Motor Oil 5 QT (Packaging May Vary) 4.8 out of 5 stars. CURRENT SALE AD. Valvoline High Mileage is a synthetic blend oil formulated to work in engines over 75,000 miles. It has a formulation that restores the performance of a car and offers better performance. SKU # 852665. check if this fits your vehicle. Castrol 03087 Edge. $3.59/qt. and 5-qt. Valvoline MaxLife 5W-30 Synthetic Blend. Exclusions apply. Get product information about new Mobil 1 Truck & SUV motor oil. Save on Synthetic 5W-30 Motor Oil at Advance Auto Parts. 24,875. If your vehicle has reached the 75,000-mile mark, if it is starting to show signs of engine wear, or even if it has an oil leak, it may be time to switch to a high mileage . Viscosity modifiers that keep the oil thicker through its service . This item: Valvoline High Mileage with MaxLife Technology SAE 5W-30 Synthetic Blend Motor Oil 5 QT (Packaging May Vary) $21.90 ($0.14/Fl Oz) FREE Shipping FRAM Extra Guard PH3614, 10K Mile Change Interval Spin-On Oil Filter $3.88 Get it as soon as Saturday, Jun 25 FREE Shipping on orders over $25 shipped by Amazon #2. 3. painesville township, OH #4700 1518 mentor avenue (440) 357-9188. Maximizes The Life Of Engines Over 75, 000 Miles. Castrol GTX : Best Conventional Motor Oil. Our high quality base oil is 99.5% pure, contains fewer impurities than base oils made from crude oil, and when combined with our advanced additive . Right, okay. A pure synthesizer with the 351 Windsor behavior of Motor oil is designed for engines! We offer a full selection of automotive aftermarket parts, tools, supplies, equipment, and accessories for your vehicle.
Oil ( 2022 reviews ) /a > High Mileage engine oil 3000. Such is not the case with Castrol 03087 Edge- you can drive 20,000 miles on a single oil change. I also use this M1 10W30 High Mileage oil in my lawn mower and other OPE. Location. Buy Pennzoil from Walmart. 2013 Kia Sportage - Motor Oil - High Mileage Filter By. But really those two that are listed, are two of the best brands. 1-day shipping. #1 Best Seller. #4. You can use 0w-20 or 0w30. Part #: HIMI5-30-5QT Line: ORO. Walmart. Brands . Quaker State High Mileage 5W-20 Synthetic Blend Motor Oil for Vehicles Over 75K Miles, 5-Quart. Ontario, Canada. Here are the 10-best oil for high mileage cars and oil additives as of 2021-2022: Auto Repairs Are EXPENSIVE. It is engineered with fluid titanium technology to provide superior motor oil strength and help your vehicle to maximize performance. Find the right oil for your vehicle. 2. Search: Castrol 5w30. O'Reilly Synthetic Motor Oil meets or exceeds the demanding requirements of International Lubricant Standardization . Find a O'Reilly auto parts location near you at 6725 Center Street. Best High Mileage Synthetic Oil for Newer Engines. Pennzoil High Mileage 5W-30 Motor Oil for Vehicles Over 75K Miles, 5 Quart. NAPA. Part # 15980E. $23.02 (26870) Pennzoil Platinum High Mileage Full Synthetic 5W-30 Motor Oil for Vehicles Over 75K Miles (1-Quart, Case of 6) 2,637 2 offers from $47.56 Pennzoil Platinum Full Synthetic 10W-30 Motor Oil (1-Quart, Single) 9,976 7 offers from $6.99 Pennzoil High Mileage Conventional 10W-40 Motor Oil for Vehicles Over 75K Miles (1-Quart, Case of 6) Free In-Store or Curbside Pick Up. The O'Reilly oil had about 2300 miles on it when I changed it yesterday. Mobil 1 Extended Performance High Mileage oil is the lifeblood of high mileage engines, delivering outstanding performance and long-lasting engine protection during long service intervals. $37.87. Mobil 1 High Mileage Full Synthetic Motor Oil 5W30, 1-Quart/6-Pack Protects Engine Parts For Up to 10,000 Miles Between Oil Changes* Designed to Help Extend Engine Life for Vehicles With Over 75,000 Miles; Contains a Seal Conditioner to Help Reduce Oil Leaks; Helps Prevent Deposits and Sludge Buildup; O'Reilly Oil Synthetic High Mileage Motor Oil 10W-30 1 Quart . But all engine oils are far from created equal . 6 offers from $45.47. Apr 20, 2020. Buy online, pick up in-store in 30 minutes. FIND A STORE. Valvoline Advanced Full Synthetic SAE 5W-30 Motor Oil 5 QT (Packaging May Vary) 4.8 out of 5 stars. Joined Feb 17, 2007 Messages 3,845 Location Clermont, Florida. Search: Castrol 5w30. Editor's Pick: Castrol GTX High Mileage Synthetic Blend Motor Oil. 72. Valvoline's high mileage oils include more dispersant to help attack that moisture. 5W-30. O'Reilly Multigrade Motor Oil SAE 5w20, SAE 5w30, SAE10w30 meet or exceed the demanding requirements of International Lubricant Standardization and Approval Committee (ILSAC) GF-4. Pennzoil Platinum High Mileage Full Synthetic 5W-30 Motor Oil for Vehicles Over 75K Miles, 5 Quart. Choose an item or category to find the specific products you need " Consensus on this forum seems to be the BMW Oil = Castrol MEETS OR EXCEEDS INDUSTRY STANDARDS: API CF / SN; ACEA A3/B3, A3/B4; Meets Ford WSS-M2C937-A; MB-Approval 229 Castrol EDGE 5W-30 LL is suitable for use in automotive gasoline and diesel vehicles where the manufacturer recommends an ACEA C3 5W-30 .
Pennzoil High Mileage Mineral Oil. Depending on your vehicle a higher viscosity . This oil is still SL, and meets my engine's requirements, which call for an SL oil in 5W30, 10W30, or 10W40. Jimmy9190. Mobil 1 Extended Performance High Mileage full-synthetic motor oil 5W-30 is designed for engines with over 75,000 miles to go up to 20,000 miles between oil changes. Pennzoil Platinum full synthetic SAE 5W-30 motor oil is uniquely engineered from our revolutionary PurePlus gas-to-liquid technology, which is a patented process that converts pure natural gas into a high quality, full synthetic base oil.
Used Oil & Battery Recycling; NOW HIRING Apply for Jobs . Tomorrow. Best High Mileage Synthetic/Mineral Blend Oil for Restoring Engine Health. Posted on June 30, 2022 by . I usually put Mobile 1 High Mileage 5W30 in my 2002 Ranger FX4 4.0 with 155k miles on it. 21 offers from $28.97. Select a store to see pricing & availability . Used Oil & Battery Recycling; NOW HIRING Apply for Jobs . in Motor Oils. Those additives include: Seal conditioners that can swell and rejuvenate gaskets and seals back to their original size and shape, heading off engine leaks. Motor oil keeps the internal components of your engine lubricated, and prevents damage and wear caused by metal on metal contact. Pennsylvania. Royal purple also makes great oil filters you can get at O'Reilly's. That is a bad idea to run 5w-30 in an FB.
Mobil 1 High Mileage Full Synthetic Motor Oil 5W-30, 6-Pack of 1 quarts 263 11 offers from $42.50 Valvoline Advanced Full Synthetic SAE 5W-30 Motor Oil 5 QT (Packaging May Vary) 19,413 19 offers from $28.97 Mobil 1 M1-110A Extended Performance Oil Filter 3,676 #1 Best Seller in Oil Lube Systems 11 offers from $9.73 Let's take a quick look at why oil is essential for your engine. ILSAC GF-4 comprises the latest standard for passenger car, van, light truck and sport utility vehicles motor oils. Sep 26, 2015 #1 . High-mileage oil is formulated with additive packages specifically for engines with more than 75-100k miles on the odometer. 6 Best High Mileage Motor Oils. 5W-30 Container Size 1 Quart 5 Quart Flash Point (Deg C) 199 Degree 223 Degree 231 Degree 237 Degree Flash Point (Deg F) 390 Degree 433 Degree 448 Degree Pour Point (Deg F) Save on Synthetic 5W-30 Motor Oil at Advance Auto Parts. current price $17.97. O'Reilly Conventional Motor Oil 5W-30 5 Quart . AmazonBasics High Mileage Full Synthetic. Most "back in the day" oils did not have super high levels of ZDDP like people seem to believe, we've seen VOA's of those lubes that have proved that. Available in 1-qt. With an extra cleaning additive, Mobil 1 45000 5W-30 High Mileage Motor Oil - 1 Quart comes out as an ideal synthetic engine oil. Yes, the O'Reilly motor oil is synthetic high mileage oil. Since the oil change , the motor has a dry lifter noise for about 5 seconds or less at every startup.