The Castrol GTX (3) blend was afaik developed to fight against sludge in the engines which was a problem in the 70ies to 90ies. I expect the new GTX 20W50 to be designed for cars of same period as well, only with higher viscosity for cars like the aircooled 911. The highest GTX viscosity I know before was the GTX 15W40.Castrol® GTX® High Mileage 20W-50 is specially formulated for vehicles with over 75,000 miles. It contains Phosphorus Replacement Technology, which reduces the level of phosphorus and replaces it with a proprietary additive that preserves your emission system while maintaining robust wear protection. Castrol® GTX® 20W-50 is formulated to ...Those oil Companies were absolutely correct about not adding anything to their oil. So, when people follow that high zinc level nonsense, they are often making things WORSE, not better. ... 12. 20W50 Castrol GTX ,API SN conventional = 96,514 psi zinc = 610 ppm phos = 754 ppm moly = 94 ppm 13. 30 wt Red Line Race Oil synthetic = 96,470 psi zinc ...Location. Muncie, Indiana. Jun 16, 2021. #9. Accent Abuser said: Maybe M1 15w-50 could serve similar. It's a thinner 50 that's more like a 10w with 1300ppm zinc. Some diesel oils might also have more zinc. They'd have to be oils that claim CI-4+ or earlier, CJ-4 and later limit phos to 1200ppm.Contact our Service Team at [email protected] or by calling 812.402.5000 and select option #4 for product ordering & distribution. We are available Monday - Friday, 8AM-5PM. Reviews (0) Lucas SAE 20W-50 Break-In Oil provides a more efficient ring seal than a regular racing oil while protecting critical engine components.Castrol 06470 GTX 20W-50 High Mileage Motor Oil - 1 Quart, (Pack of 6) Castrol EDGE 0W-20 Advanced Full Synthetic Motor Oil, 5 Quarts. Add $ 37 61. current price $37.61. Castrol EDGE 0W-20 Advanced Full Synthetic Motor Oil, 5 Quarts. 480 4.9 out of 5 Stars. 480 reviews.Andrew, I don't know about the regular Castrol product line, but Castroi does make a special oil for cars that require a higher zinc content. It is called Castrol Classic and is available in 20/50 weight. You can but it at any Wal Mart. Kendal also make a high zinc 20/50 weight oil It is called Kendal Liquid Titanium.3. Lucas Oil 10702-PK6 High Performance Synthetic 20W-50 Motorcycle Oil. Check Latest Price. This Lucas motorcycle oil is a specially formulated and full-synthetic motorcycle oil that has a longer life and a higher resistance to temperatures compared with others on the market.Castrol GTX Classic 20W-50 High Zinc and Phosphorus Description Castrol GTX Classic is a high-performance engine oil for push-rod, flat tappet engines and performance cam applications. It s specially formulated for classic/collector cars, muscle cars, hot rods and race cars.Zinc plating is a popular process used to protect metal surfaces from corrosion and wear. It is often used in the automotive, aerospace, and marine industries. Finding a quality zi...When it comes to operating in high-temperature environments, Castrol GTX has a slight edge over Pennzoil. ... Common grades include 5W-30, 10W-30, and 20W-50. Always consult your vehicle manual for the correct oil grade. Who makes the best quality engine oil?Castrol Classic 20W-50 is suitable for use in automotive gasoline engines where the manufacturer recommends an API SJ or earlier specification 20W-50 lubricant. NOTE: NOT FOR USE IN MODERN ENGINES WITH CATALYTIC CONVERTERS OR WET CLUTCH APPLICATIONS. Specialized additives containing high Zinc (1400 PPM Max) and Phosphorus for extreme wear ...The high zinc content of Castrol Classic 20W50 provides a number of benefits for your engine. These benefits include: Reduced wear and tear: Zinc helps to protect the engine from wear and tear by forming a protective layer on the surfaces of the metal parts.Time for an oil change and I have been using the Castrol 20-50 weight motor oil but today I noticed a Castrol GTX Classic High Zinc Content motor oil at Wal-Mart, $5.38 a quart. I am curious if it has enough zinc in it so that I don't have to add the ZDDP that I have been purchasing at OGTS. ... Castrol GTX Classic 20W-50 Conventional Motor Oil ...Jan 19, 2008 · Current Syntec 20W-50 (for classic cars) is actually a modern premium quality API SM product that has been Zinc boosted to Zinc levels that are reminiscent of levels from historic API categories such as SG when flat tappet cams with high spring loads were common in the fleet.Castrol GTX Classic 20W-50 Conventional Motor Oil, 1 Quart. Key Features: Specialized additives containing high Zinc and Phosphorus for extreme wear protection; Formulated to maintain tough and thick oil film even under severe conditions; Minimal foaming and high resistance to thermal degradation; Compatible with gasoline and alcohol based fuelsWestern Canada. Jan 31, 2020. #1. Mobil 1 has a link showing Zinc, Phosphorous and Manufacturer approvals in a nice table, linked below. Interestingly, the 0w20 offerings in the various flavours, with two exceptions ( M1 EP HM 0w20 and M1 HM 0w20 ), have lower PP and ZN levels than the other grades, including 5w20's.Superior Sludge Protection: Castrol GTX 20W-50 is specially formulated to provide unrivalled sludge protection. Its advanced additives actively combat the formation of harmful engine deposits, helping to keep your engine clean and free from harmful build-up. With this level of protection, you can rest easy, knowing that your engine is well-guarded against the damaging effects of sludge.The cooper and zinc that go into making small coins have gotten more expensive. Pennies aren’t cheap. The one-cent US coin, mostly made of zinc with a little bit of copper, is the ...Castrol GTX Classic 20W-50 High Zinc and Phosphorus Description Castrol GTX Classic is a high-performance engine oil for push-rod, flat tappet engines and performance cam ... Castrol Classic 20W-50 is suitable for use in automotive gasoline engines where the manufacturer recommends an API SJ or earlier specification 20W-50 lubricant.Castrol EDGE High Mileage is an advanced full synthetic motor oil with the high-level protection of GTX High Mileage and then adds the benefits of full synthetic technology delivering higher levels of thermal stability, deposit control and excellent anti wear performance. In addition, Castrol EDGE High Mileage, in the 0W-20, 5W-20 and 5W-30 ...AMSOIL 20W-50 100% Synthetic Hydrostatic Transmission Fluid. Synthetic, high-zinc formula fights wear. Built for hydrostatic transmissions to maintain mower speed and efficiency better than motor oil. Promotes long transmission life for professionals who depend on their equipment to make a living. See the product data sheet for full details.High zinc and phosphorus formula for extreme anti-wear protection; ... Castrol GTX 20W-50 Conventional Motor Oil, 5 Quarts. 174 4.8 out of 5 Stars. 174 reviews. Save with. Pickup today. Delivery today. Shipping, arrives tomorrow. Related pages. Valvoline Vr1 20w50; Oil 10 W 40; Valvoline Motorcycle Oil 10w40;Product Data Sheet. GTX 10W-40. Superior Protection Against Deposits*. Description. Castrol® GTX® is one of the most trusted engine oils in the world. Castrol GTX 10W-40 uses modern additive technology to provide superior protection against harmful deposits in the engine. Application. Exceeds engine manufacturer s warranty requirements for ...16,338. Location. Indiana. Aug 16, 2014. #2. If you don't like the idea of a HM oil, then Rotella T5 10w 30 is the one for you. It is $16 per gallon and is a synthetic blend. Rotella T6 5w 40 is another good choice and is about $21.xx per gallon and is full synthetic. C.Castrol Power 1 V-Twin 4T 20W-50 Full Synthetic Motorcycle Oil, 1 Quart, Case of 6. Add $ 72 99. ... Royal Purple Max-Cycle 20W-50 High Performance Synthetic Motorcycle Oil, 32Oz, pack of 6. 1 5 out of 5 Stars. 1 reviews. ... High Zinc Motor Oil; SAE 10W 30 Oil; SAE 10W 30; Oil 10 W 40; Schaeffer Oil 5w30;Castrol 03093 GTX 10W-30 Motor Oil: Anti-wear additives and high-quality base oils to help keep your engine running longer. Reduces the amount of oil that is used. Castrol 03095 GTX 20W-50 Motor Oil: Protecting deposits is made easier thanks to TriShield's unique technology. The highest degree of resistance to viscosity and thermal failure.Castrol Classic XL 20W50 5 liter. Castrol Classic XL 20W50 er en helt traditionel mineralsk multigrade motorolie som har et lavt indhold af rensende additiver. Den reproducerer alle de egenskaber, som brug for omkring 60'/70'erne og dengang blev betegnet som advancerede - og som datidens motorer blev udviklet til køre på.It features a high-zinc formulation to prevent wear on flat-tappet camshafts and other critical engine compo- nents, along with a proprietary blend of rust and corrosion inhibitors for added protection during long-term storage. ... They used Brad Penn. Ran great, but started to smoke. I changed the Brad Penn to Castrol 20W 50. Smoking issue ...The focus of this study is on the levels of zinc and phosphorus found in motor oils, more exactly, the zinc (Zn) and phosphorus (P) that makes up the anti-wear additive ZDDP, zinc dialkyl dithiosphosphate. ... Castrol GTX High-Mileage 20w50 is a great oil, even better than the normal Castrol GTX 20w50 (higher viscosity and thermal sheer ...I've used Castrol 20W50 on old 80's era German cars with no issue. No winter use, only drive above freezing temps. This new Castrol "Classic" blend comes out with zinc additives. ... Zinc is important for high pressure contact areas such as solid lifter camshafts. Newer engines have roller camshafts so this is not an issue but the older cars ...Which is why motorsport teams and enthusiasts depend on Valvoline VR1 20W-50 Racing Motor Oil, America's #1 racing oil. Our exclusive high zinc and phosphorus formula is engineered specifically for modern and classic high-performance engines both on and off the track, which includes flat-tappet and performance cam motors.Castrol Classic XL 20W50 5 liter. Castrol Classic XL 20W50 er en helt traditionel mineralsk multigrade motorolie som har et lavt indhold af rensende additiver. Den reproducerer alle de egenskaber, som brug for omkring 60'/70'erne og dengang blev betegnet som advancerede - og som datidens motorer blev udviklet til køre på.Zinc and phosphorus additives are high in all Valvoline 20W-50 and 10W-30 motor oil. Thus, these oils are suitable for racing cars, off-road vehicles, flat tappet engines, and all high-performance vehicles. I recommend the Valvoline VR1 Racing High Zinc Motor Oil. 2. Lunati. Lunati zinc motor oils guarantee the optimum performance of old ...CASTROL GTX CLASSIC 20W-50 5L. SKU 0287984. $44.99. Select a Store to view Availability. GTX Classic is a high-performance formula for push-rod, flat tappet engines and performance cam applications. Specially formulated engine oil for classic/collector cars, muscle cars, hot rods and race cars. Specialized additives containing high Zinc and ...Castrol GTX Double Action formula helps clean away old sludge,* and protects against new sludge formation better than tough industry standards.,*When tested in engines with high level of deposits. Superior protection against engine sludge**. **As measured in the Sequence VG Sludge test. Premium quality base oils and anti-wear additives to help ...Find the right Castrol Edge Full Synthetic Motor Oil 5W-50 1 Quart for your vehicle at O'Reilly Auto Parts. Place your order online and pick it up at your local. ... Castrol GTX High-Mileage - Designed for vehicles with over 75,000 miles and superior emissions system protection. Castrol GTX - Superior sludge protection and prevention ...Zinc is an essential nutrient that everyone needs to stay healthy. It’s a mineral that you need in small amounts to keep many of your body systems working. For example, zinc is imp...(Mobil 15w50 comes in at about 72,000 PSI and Castrol 20w50 usually in the 90,000 or more range.) I would think that the synthetic would retain it's film strength through the duration of the service interval. ... the mobil 1 15w50 is high in zinc so that's another reason i use it. i'm not worried about the interval. i change it every 500hrs ...Mar 26, 2007. #11. I think that Castrol thing is paid in full. Irv used to never say what oil he used. Probably 20W-50 was an acceptable grade for hot weather in 1966. However, Irv was not using 20W-50 in the winter. In Phoenix 20W-50 will work, but not necessarily provide better protection than 15W-40. M.Castrol Edge High Mileage 20W-50 Advanced Full Synthetic Motor Oil, 1 Quart, Pack of 6. 4.4 out of 5 stars. 154. ... Royal Purple Motor Oil, HPS High Performance Street, High Zinc, 20W50, Synthetic, 1 qt Bottle, Each. 4.8 out of 5 stars. 2,406. $14.99 $ 14. 99 ($0.04 $0.04 /Fl Oz)Castrol GO! 4T is a high quality engine oil designed for 4-stroke motorcycles. Developed with Castrol's expertise in motorcycle lubricant design, it has Castrol's TRIZONE TechnologyTM for a trouble-free ride time after time. ... Castrol GO! 20W-50 Conventional Motorcycle Oil, 1 Quart. Key Features: ... High Zinc Motor Oil; Gn4 10w30; Motor Oils ...Castrol GTX Classic 20W-50 Conventional Motor Oil, 1 Quart. Key Features: Specialized additives containing high Zinc and Phosphorus for extreme wear protection; Formulated to maintain tough and thick oil film even under severe conditions; Minimal foaming and high resistance to thermal degradation; Compatible with gasoline and alcohol based fuelsZinc is classified as a metal element and is a solid at room temperature. It has a melting point of 787 degrees Fahrenheit, a boiling point of 1,665 F and an atomic weight of 65.38...Castrol GTX CNG 20W-50. GTX CNG 20W-50 is recommended for lubrication of engines fuelled by CNG/LPG under wide range of driving conditions and loads for vehicles like taxis, passenger cars and autos. * When tested in engines with a high level of deposits. A 20W-50 motor oil is typically used in older vehicles or in particularly warm climates.The cooper and zinc that go into making small coins have gotten more expensive. Pennies aren’t cheap. The one-cent US coin, mostly made of zinc with a little bit of copper, is the ...Product Description. Castrol GTX High Mileage motor oil remains a trusted choice among drivers with high-mileage vehicles. No need to fret over the decision between high mileage oil or synthetic oil because Castrol GTX High Mileage offers the best of both worlds. It combines the benefits of a synthetic blend engine oil, providing ultimate ...What are the benefits of Castrol EDGE? Protection for 20,000 miles between oil changes×. 3X stronger than the leading full synthetic*. 10X better high stress performance**. Also suitable for hybrids (0W grades) Improves fuel economy (0W grades) × Up to 20,000 miles or 1 year, whichever comes first. *In viscosity breakdown as measured in Kurt ...The funny thing is that most British cars grew up on Castrol. I few years back when Castrol reduced the zinc and phosphorus levels in its GTX conventional oil, they followed it up with a Castrol Classic label. ... Try Kendall GT-1 Competition 20w-50 for some of the highest zinc and phosphorus levels you'll find. J. justalubetech. Joined Jul 24 ...Castrol EDGE High Mileage is an advanced full synthetic motor oil with the high-level protection of GTX High Mileage and then adds the benefits of full synthetic technology delivering higher levels of thermal stability, deposit control and excellent anti wear performance. In addition, Castrol EDGE High Mileage, in the 0W-20, 5W-20 and 5W-30 ...Location. Central IA. Aug 3, 2014. #2. If you are going to use a car 20w50 in a Harley, Valvoline VR1 and Kendally GT1 both gave stellar results in a UOA on here in a harley big twin. Castrol GTX is just not the product it used to be in my honest opinion. BP really cheapened the brand.This Premium 3 Brothers kit includes 7 litres of Castrol 20W50 High Zinc Oil, 1 litre of Castrol Classic EP90 AP... View full details Original price $143.50 - Original price $143.50I've used Castrol 20W50 on old 80's era German cars with no issue. No winter use, only drive above freezing temps. This new Castrol "Classic" blend comes out with zinc additives. ... Zinc is important for high pressure contact areas such as solid lifter camshafts. Newer engines have roller camshafts so this is not an issue but the older cars ...Which is why motorsport teams and enthusiasts depend on Valvoline VR1 20W-50 Racing Motor Oil, America's #1 racing oil. Our exclusive high zinc and phosphorus formula is engineered specifically for modern and classic high-performance engines both on and off the track, which includes flat-tappet and performance cam motors.Castrol POWER1 delivers high performance to drive you forward with a new 3-in-1 formula for 4 stroke engines. Castrol POWER1 also offers outstanding performance and protection for 2 stroke bikes and scooters. ... 2T 4T 10W-30 4T 10W-40 4T 15W-50 4T 20W-50 2T castrol Power1 2T. SPECIFICATIONS / INDUSTRY STANDARDS API TC ...Heritage 20W/50 Multigrade Classic Oil Blended in the UK to our formulation, its high-zinc content (1300 parts per million) makes it ideal for engines with heavily-loaded rubbing surfaces, eg cam lobes and tappets.Castrol GTX High Mileage 20W-50 Synthetic Blend Motor Oil, 5 Quarts ... Castrol GTX Classic motor oil contains specialized additives including high Zinc and Phosphorus for extreme wear protection. ... Castrol GTX High Mileage motor oil remains a trusted choice among drivers with high-mileage vehicles. No need to fret over the decision between ...Castrol 159AE1 06080 Power RS V-Twin 20W-50 4-Stroke Motorcycle Oil. If you're shopping for something to help your bike attain high acceleration, this is a good option. It's a synthetic composite created with the Trizone technology of the company. As a result, it protects the gearbox, engine, and clutch.Price: $24.97. $24.97 (. $0.16. $0.16 / Fl Oz) Get Fast, Free Shipping with Amazon Prime FREE Returns. Return this item for free. Free returns are available for the shipping address you chose. You can return the item for any reason in new and unused condition: no shipping charges. Learn more about free returns.Castrol Classic 20W-50 is suitable for use in automotive gasoline engines where the manufacturer recommends an API SJ or earlier specification 20W-50 lubricant. NOTE: NOT FOR USE IN MODERN ENGINES WITH CATALYTIC CONVERTERS OR WET CLUTCH APPLICATIONS; Specialized additives containing high Zinc (1400 PPM Max) and Phosphorus for extreme wear ...This award recognizes individuals who have made major contributions to the field and affairs represented by the PVD Council over a continuing period The scientific councils’ Distin...Detailed Description. Motor Oil; Racing; 20W-50; 5 Quart; Valvoline VR1 Racing Oil's high zinc provides race-level protection for high performance engines. Valvoline Racing Oil's exclusive chemistry is designed to reduce friction and enhance power and provide extreme wear protection. It is among the most popular engine lubricants in all types ...Castrol GTX Classic 20W-50 High Zinc and Phosphorus Description Castrol GTX Classic is a high-performance engine oil for push-rod, flat tappet engines and performance cam applications. It s specially formulated for classic/collector cars, muscle cars, hot rods and race cars.Zinc and phosphorus additives are high in all Valvoline 20W-50 and 10W-30 motor oil. Thus, these oils are suitable for racing cars, off-road vehicles, flat tappet engines, and all high-performance vehicles. ... After pouring Castrol zinc-based motor oil, you will experience the optimal performance from your car engine. 9. Redline.I recall that in subsequent oil discussions Comnoz suggested that Castrol GTX 20W-50 conventional would be a good break-in oil due to its high "Total Heat from Friction" values in combination with its impressive load carrying capacity of 257 lb vs the Driven and Motul break-in oils with load capacities of 163 and 140 lb respectively.Motor Oil 20W-50 Classic High Zinc. This mineral motor oil is specially formulated with a high level of Zinc Dialkyldithiophosphate (ZDDP) and phosphorus which protects the flat-tappet cam technology often found in classic car engines. The high zinc and phosphorus content provides extra wear protection needed at the critical contact faces of ...Buy Castrol GTX Motor Oil 20W50 Conventional 1 qt (US) - CAS 122 online from NAPA Auto Parts Stores. Get deals on automotive parts, truck parts and more. ... Castrol: High Mileage Formula: No: Sub Brand: GTX: VMRS Code: 053-999-016: Weight Rating: 20W50: SDS Required: Yes: Buyer's Guide. Safety Information. Vehicle Fitment Guide.Castrol offers the choice of two High Mileage motor oils, Castrol GTX High Mileage which is the #1 high mileage oil among "do it yourself" consumers and Castrol EDGE High Mileage, an advanced full synthetic formula that extends maximum performance. Both high mileage motor oils are formulated to reduce burn off and include seal conditioners ...Zinc has a bluish color when in its natural state. As an alloy, zinc may be colorless or a number of other colors including red and green. The discovery of zinc traces to the Roman...This Premium 3 Brothers kit includes 7 litres of Castrol 20W50 High Zinc Oil, 1 litre of Castrol Classic EP90 AP... View full details Original price $143.50 - Original price $143.50Buy Motor Oil, VR1 Racing, High Zinc, 20W50, Conventional, 1 qt Bottle, Each: Motor Oils - Amazon.com FREE DELIVERY possible on eligible purchases ... Castrol GTX Classic 20W-50 Conventional Motor Oil, 5 Quarts. dummy. Valvoline 20W-50 VR1 Racing Motor Oil - 1qt (Case of 12)