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Thick gear oil of Technology
Common Applications in Automobiles: 80W-90 gear oil finds its place in a myriad of automotive applications. It’s the lubricant of choice for manual transmissions, differentials, and transaxles across various vehicles, from compact cars to heavy-duty trucks. In manual transmissions, it lubricates gears, shafts, and bearings.Let is sit for a while then top off. The thick gear oils tend to get air bubbles in them and take a while to settle. Chris Nov 29, 2007 / Post hole digger oil level #4 . Soundguy Old Timer. Joined Mar 11, 2002 Messages 52,238 Location Central florida ... Use 80/90W Hypoid gear oil and fill 'er up till it drains out of the fill level plug.Transmission Gear Oil. A straightforward answer would be No because gear oil and transmission fluid target different types of transmissions or mechanical environments. Gear oil is a lubricant for manual transmission, while transmission fluid is a lubricant for the automatic transmission of semi-trucks and other heavy and light-duty vehicles.the old grease used get stick and thick. clean all the parts using mineral spirit, dry well and re lube using oil for the wheel shaft and lithium grease for worm shaft bearing, worm and worm gear. check the end of the worm shaft for wear out its suppose to be flat end if you noticed a concave shape that make the edge sharp is sign of heavy wear ...May 12, 2012. Oddometer: 2,614. Location: VA. I switched to redline heavy shock proof gear oil which has an effective viscosity of a 75w90 with the properties of 75w250 for the reason you describe. I have read about some putting 85W-140 in the gearbox with ok results. I have not tried 85W-140 gear oil.No 02. Viscosity and Additives. Hypoid gear oil has a higher viscosity than synthetic oil, specifically designed to withstand the high pressure and sliding action typical of hypoid gearsets. This higher viscosity helps to ensure proper lubrication and prevent wear and tear on the gears.Gear Oil : Item Form Oil : Manufacturer Red Line : Item Weight 2 pounds : Product Dimensions 9 x 3.89 x 3.87 inches : Item model number 58204 : Is Discontinued By Manufacturer No : Exterior Painted : Manufacturer Part Number 58204 : OEM Part Number 58204 : Additional Information.Vehicles use more than just engine oil. They also use gear oil, which helps your vehicle's transmission operate smoothly. Add gear oil to your vehicle based on engine type, driving...Manual says use 8oz 75w90 or 80w90 gear oil, but later in the same manual it says use 16oz SAE 30. It is an oil gear box as you can see black plastic-like oil seals at the axle exits. It doesn't use thick peanut butter type bentonite grease which eventually hardens and doesn't lubricate and usually those gearboxes aren't sealed as well as an ...Oil thickness can be calculated based on the viscosity of the oil in the engine. A "W" with a number on one side followed by a dash and another number is called the rating. For example, "85W-140" is the thickest gear oil for motor engines. With this, the thickness and viscosity of the oil in the engine can be determined.Unexpected gear changes, especially at high speeds, can be dangerous. Ensuring proper oil levels can prevent such risks. Key Point: Low gear oil can lead to unpredictable and potentially unsafe driving conditions. …319 posts · Joined 2001. #1 · Sep 26, 2001. When I installed my lockright in the rear of my 86, the manual for the locker said to use 85w140, which is what i used. I dont know if it is from the real thick gear oil, or a combination of the oil, new 31 muds, and locker; but my gas mileage has gone from 330 a tank, to 230-250.Primary contributing factors for gearbox oil leakages. 1. Welding and casting box leakage. During welding, the welding box is stitched by the steel plate. If a clear gap through the steel plate is not visible, the oil leakage can be due to cracks in the surface. This condition is known as lubrication leakage due to the weld phenomenon.The key to predicting the behavior of a hydraulic fluid lies in the analysis of its viscosity while moving through a hydraulic system. Low viscosity oils fail to seal properly, leading to pressure loss, seepage, and component wear. Fluids that are too thick will reduce the system's efficiency. Author.SAE 80w-90 Oil. PSC's Heavy Duty Gear Oil SAE 80w-90 Oil category represents lubricants that have a viscosity grade of SAE (Society of Automotive Engineers) 80w-90. This grading system tells you the thickness of the oil and how it is affected by temperature. In this case, the "90" represents the thickness of the oil at operating temperature.Gear oil differs from engine oil. While many motorists may assume SAE 90 gear oil is thicker than SAE 40 or 50 engine oil, their viscosities are the same, as this gear oil viscosity chart shows. One major difference between the two are in the additives they use. Motor oil contains additives such as detergents and dispersants to combat ...Jan 4, 2024 · Viscosity. Firstly, you should note that 80w90 is thicker than 75w90. That means 80w90 gear oil can offer extra protection for gears. But it can also create your vehicle’s engine harder. 80w90 gear oil is mainly used in high-performance applications. In contrast, you can use this 75w90 gear oil in many applications.Thick gear oil required for my Jeep. Thread starter dlundblad; Start date Mar 24, 2015; Status Not open for further replies. dlundblad. Joined Sep 30, 2013 Messages 16,287 Location Indiana. Mar 24, 2015 #1 I found an online OM that said my Jeep could use a 90 weight gear oil in both axles, but after a bit more clarification on a few Jeep forums ...Changed the gear box fluid (used mp80/90ep gear lube) and started it up and its leaking out of the shaft that turns it but not the seals to the augers. The parts list at Ariens shows a seal that may have worn out. Wondering how hard it is to change it. Or, is the oil to lightweight (Ariens recommends mp90 gear lube) and is flushing past the seal.Gear oil is designed to be thicker and heavier in consistency, featuring viscosity ratings such as 70/80W-90 or even as high as 140 weight. This high viscosity is crucial for effectively lubricating and cushioning gears, providing them with the necessary protection against damage.It’s thicker when exposed to high heat and thinner under colder, wintry conditions than 80W-90. The use of 75W-90 gear oil is recognized by OEMs as a contributor to overall fuel economy. When run under real-world line-haul conditions, the use of 75W-90 can improve the efficiency of a Class 8 axle by an average of 0.5% over an …The in viscosity ratings between 10w 30 and 10w 40 makes them suitable for different temperature ranges. 10w 30 is better suited for colder temperatures, typically ranging from -25°C to 35°C (-13°F to 95°F). It flows more easily at lower temperatures, allowing for quick lubrication during cold starts.Gear oil differs from engine oil. While many motorists may assume SAE 90 gear oil is thicker than SAE 40 or 50 engine oil, their viscosities are the same, as this gear oil viscosity chart shows. One …Best Gear Oil For Noisy Differential Review. 1. Royal Purple 75W-90 Synthetic Gear Oil - Best For Overall. If you face too much noise in your high mileage and heavily loaded trucks, pick-ups, jeeps, or sports cars. We recommend using Royal Purple 75W-90 Synthetic Gear Oil, as this ultra-tough oil is formulated for these heavy-duty vehicles.The manual requires SAE 90 above 0 F, and 80W-90 below 0 F. I've been looking at data sheets on several gear oils trying to find a multi grade oil that will be close to what Toyota requires in a SAE 90. SAE 90 13.5cST - 18.4cST @ 100C (2005 spec 13.5cST-23.9cST @100C) I've found several 75W-90's in the 16-17cST @ 100C range that will meet the ...Aug 6, 2023 · Oil thickness can be calculated based on the viscosity of the oil in the engine. A “W” with a number on one side followed by a dash and another number is called the rating. For example, “85W-140” is the thickest gear oil for motor engines. With this, the thickness and viscosity of the oil in the engine can be determined.Viscosity. Firstly, you should note that 80w90 is thicker than 75w90. That means 80w90 gear oil can offer extra protection for gears. But it can also create your vehicle’s engine harder. 80w90 gear oil is mainly used in high-performance applications. In contrast, you can use this 75w90 gear oil in many applications.In the case of ISO VG 220 oil, those numbers are 198 cSt and 242 cSt, respectively. AGMA 5 lubricants have a minimum viscosity of 198 mPa.s and a maximum viscosity of 242 mPa.s. These numbers refer to the standard testing mechanisms used to determine how much resistance to flow (i.e. viscosity) these oils demonstrate.Too thick; 7. Royal Purple ROY01300 Max Gear 75W90 Synthetic Lube. Buy Royal Purple ROY01300 Max Gear 75W90 Synthetic Lube. View on Amazon. Max-Gear is an extremely resistant automotive gear oil. It is designed to maximize performance and provide unsurpassed protection for heavily loaded transmissions. ... Buy Castrol Syntrax Limited Slip Gear ...Jan 2, 2018 · Well, distilled water has a viscosity of 1 centistoke while honey has a viscosity of 10,000 centistokes, making it 10,000x thicker than water. For final drives, a typical grade of gear oil would be 80/90W with a viscosity of about 120.2 centistokes at 100°F – obviously not as thick as honey! If your gear oil is as thick as syrup or honey ...my skin is thick but yours is thin yet I'm louder than I've ever been making demands and barking every rule but the fact is that you’re not my tool... Edit Your...Possible Causes of Thickening Gear Oil. Noria Corporation. "Apart from oxidation, what can cause thickening of a gear oil?" Gear oil …The first number represents the oil’s viscosity at 40 degrees Celsius (104 degrees Fahrenheit), while the second number represents the oil’s viscosity at 100 degrees Celsius (212 degrees Fahrenheit). The viscosity of an oil refers to its resistance to flow. A high viscosity oil will be thick and slow-moving, while a low viscosity oil will ...Honda MTF is a synthetic blend of the 40 grade range. The 75w-90 grade you are proposing will cause stiff shifting and gear clashing, its just too thick. AFAIK Honda has never used the 75-90 higher viscosity grade oil in any of their transmissions. An alternative to Honda MTF is a 10w30 or 10w40 full synthetic motor oil.Thick oil. Today's crossword puzzle clue is a quick one: Thick oil. We will try to find the right answer to this particular crossword clue. Here are the possible solutions for "Thick oil" clue. It was last seen in British quick crossword. We have 1 possible answer in our database.Choose from our selection of oil sprayers, including air-powered hand-held oil dispensers, spray bottles for thick liquids, and more. ... Use suction to remove old lubricant from gear boxes and transmissions. ... Use high pressure to dispense thicker grease or to force grease through clogged fittings.Commonly found in axle differentials, hypoid gears are used to transmit power from the driveline to the axle shafts. They are basically spiral bevel gears, where the pinion engages below the centerline of the ring gear. This lowers the driveshaft away from the bottom of the vehicle. Hypoid gear oil is formulated with extreme-pressure (EP ...Basically I'm looking into getting a new 2500 Diesel Ram in the next year or so and would rather not put a grand into the rear end of this truck. I'm considering the following options. 1.) Amsoil. 2.) Schaffer's. 3.) Good Ole Dino with a quart of Lucas. Any input would be most appricated.12,195. Location. Ontario, Canada. Apr 17, 2018. #3. The soap dispenser type is pretty slow moving gear oil, and especially if its cold out, but if you warm up the oil its not too bad. Also unless you've got some big machinery, diffs and manual transmissions don't hold that much, so its not a big deal. S.Usually, bad or failing differential oil will produce any of the following 4 symptoms that can alert the driver of a potential problem that should be serviced. 1. Vehicle Exceeds Gear Oil Service Interval. All vehicles come with a maintenance schedule for its fluids and filters based on mileage. If the vehicle has exceeded the recommended ...2,761. Location. Fairfield, PA. Tractor. JD 3020, JD 4230, JD 7410, JD 2440, MF 750, NH LS170. Usually the only place you will find 250 weight or heavier gear oil is in industrial applications. It's out there, just not easily found. Most automotive parts stores only carry up to 140 weight. Most any lubricants supplier should be able to order it ... Possible Causes of Thickening Gear Oil. Noria CoI've been using a heavyweight Gear oil on mJun 11, 2018 · It’s thicker when exposed t
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75W-140 gear oil is a high-viscosity lubricant designed for use in automotive differentials and manual transmissions. The “75” in the name refers to its viscosity rating at lower temperatures, where it flows like a 75-weight oil, making it suitable for cold starts. The “140” represents its viscosity at higher temperatures, providing ...The 231 TCase doesn't care as long as it's a thin oil. I (and many other off roaders) are pretty hard on our 231s and they hold up just fine on cheap ATF. I think a 20 or 30 grade motor oil would still be thin enough to properly lubricate. I'll stick with cheap ATF. A gear driven transfer case will have different requirements.The gear oil protects against scoring, scuffing and pitting, reduces noise and helps improve shifting, all of which means your gearbox will run smoother, quieter, and cleaner for longer. ... The most common mistake is the belief that the viscosity of SAE 80W gear oil is much thicker than the viscosity of SAE 10W-40 motor oil. This is absolutely ...Oil is especially interesting as it is deemed the cheapest. Cheap is cheap for a reason. Since the start of the year, all investors have been inundated by calls to buy the value st...of the new gear lubricants, or a light viscosity of R&O compressor/turbine oil, filling to one-third the recommended operating oil level. Circulate under no-load conditions for 15 minutes and drain. Fourth, if the used gear oil has oxidized badly with a dark color, burned smell, and is thick and slow to drain, use a light viscosity of R&OSimply screw the pump onto the top of the oil jug or bottle, and voila, your bottle of oil is now pump-operated. Yup, just like those big mustard tubs at the ballpark. Here's that same AMC 20 diff. With the pump screwed securely onto the gear oil bottle, you just feed the tube into the fill hole and pump the top of the bottle.Lower viscosity allows oil to flow over surfaces, but may not provide a sufficient film thickness to prevent metal-to-metal contact. Feature image credit: Brad-Chem Ltd. Method of gearbox lubrication include grease, oil splash and forced oil. The best method depends on the gearbox type, its speed, and environmental factors.The original oil was likely mineral based vrs the high grade M1 syn. Tom Slick, not to be overly pedantic but the 75W-90 is also thick when cold vrs hot, just less so than a straight 90 grade. I agree but people generally think of viscosity as thick or thin on the scale, 75w being "thinner" than sae 90 when at the same temp.Distilled water has a viscosity of 1 centistoke. A gear oil with a viscosity of 8,200 centistokes would be 8,200 times as viscous as distilled water. Just imagine trying to run through that at the beach! For comparison, consider that honey has a viscosity of around 10,000 centistokes at room temperature. The gear oil in question would feel ...The in viscosity ratings between 10w 30 and 10w 40 makes them suitable for different temperature ranges. 10w 30 is better suited for colder temperatures, typically ranging from -25°C to 35°C (-13°F to 95°F). It flows more easily at lower temperatures, allowing for quick lubrication during cold starts.Lucas Oil Stabilizer, from what I've read on this forum, is simply some thick gear oil to thicken up your oil. Bandaid for leaks and such to slow them down. I don't know about STP oil treatment. MMO is a cleaner with lubricant properties and is well lauded on this forum for a slow, safe, and generally effective method of removing some light to ...The thickest motor oil on the market is the 40W-70 motor oil and the SAE90 gear oil. The 40W-70 is a multi-grade motor oil, meaning that it has different viscosities throughout the range of temperatures. The SAE90 gear oil is a bit thicker than the 40W-70 motor oil and is typically used in manual transmissions or rear axles.This oil withstands the heavy loads found in gear boxes. Viscosity is the thickness of an oil. The higher the grade, the thicker the oil, and the less it flows. Synthetic oil lasts longer than mineral oil and withstands a wider range of temperatures. Mobil oil can be used with worm gears.Automotive gear lube is designed to lubricate hypoid gears and is too thick for proper chain and gear lubrication in powersports applications, impairing circulation and leading to wear and decreased energy efficiency. ... AMSOIL Synthetic Chaincase & Gear Oil is a 100 percent synthetic formulation that resists shear and chemical breakdown ...Transmission Gear Oil. A straightforward answer would be No because gear oil and transmission fluid target different types of transmissions or mechanical environments. Gear oil is a lubricant for manual transmission, while transmission fluid is a lubricant for the automatic transmission of semi-trucks and other heavy and light-duty vehicles.It describes the oil’s resistance to flow at 212°F (100°C), or normal operating temperature. Using 10W-30 instead of 5W-30, however, could make cold starts more difficult. It’s helpful to think of the “W” as standing for “winter.”. The lower the oil’s “W” viscosity, the more readily it will flow when cold.Jul 18, 2013 · A 75W140 might reduce noise somewhat because of the thicker lubricating film, but if the tranny is worn to the point of no return, not even a thicker film will cure it, but only prolong the inevitable. Last edited: Jul 21, 2013.The base grade of a gear oil shows its underlying properties and is determined by a GL number: GL-1 to GL-3 – Basic and outdated oils for manual transmissions and axles that lack particular additives to cope with extreme pressures, friction and heat. GL-4 – The world’s most common base oil grade, the oils of which contain good volumes of ...Steaks over an inch thick are best on the grill, but their thickness makes it a bit more tricky to cook through and get that excellent char on the outside. The food experts at Seri...Thicker gear oil will mean more resistance to turning. Since Wranglers spin the front axle even when they are in two wheel drive, thicker gear oil in the front axle will hurt fuel mileage. If you don't need thicker gear oil I would just run the synthetic 80w-90 gear oil front and rear. Makes it simple. Like.The SAE grading system indicates oil viscosity in simple numbers ranging from the thin oil (10) to the very thick oil (140 or above). Heavier weight, or higher grade oil is more viscous and therefore thicker as it flows between the gears. Light grade oil is ideal for small, fast, polished gears under a light load.I would stick with recommended Viscosity as bearing and gear tolerences are designed into this. Too thick of oil will not allow the sufficent bearing lubrication. Also heavy oil will rob HP. He who wares out his toys in the end Wins! Like. Gregg C Discussion starter. 541 posts · Joined 2011. #4 · Jan 16, 2012.Mar 13, 2009. #16. if you want to stop a noisy synchromesh at gearchange its pretty impossilble, but a whining gearbox or notchy change can be made a million times better by packing grease into in. no need to dump the old fluid, just squirt loads of grease in. make sure you use a safe grease (e.g. lithium based). once it gets up to temperature ...Thick gear oil required for my Jeep. Thread starter dlundblad; Start date Mar 24, 2015; Status Not open for further replies. dlundblad. Joined Sep 30, 2013 Messages 16,287 Location Indiana. Mar 24, 2015 #1 I found an online OM that said my Jeep could use a 90 weight gear oil in both axles, but after a bit more clarification on a few Jeep forums ...Description Petromark's range of industrial gear oils are blended with high viscosity index virgin base oils with good oxidation and thermal stability. The formulation provides excellent corrosion protection, antifoam, demulsibility and oxidation-resistance characteristics. The sulphur phosphorous gear oil technology is provided by the use of highly developed and tested additives to produce ...The thicker gear oils are good for summer, and the thinner is for winter. If you keep the same thinner diff oil for summer. The oil will quickly break down due to excessive heat. So it fails to lube the gear system and makes noise. Potential Solutions . Change the diff fluid in your BMW or Nissan Titan from 75w90 to 75w140.Mar 2, 2009 · The gear oil looks reallyDec 14, 2011 · The old trick of thicken
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This oil withstands the heavy loads found in gears and gear-drive systems. Use it in food-processing and preparation areas. It's NSF registered H1 for use in areas where there is the possibility of incidental food contact.. Viscosity is the thickness of an oil. The higher the grade, the thicker the oil, and the less it flows.. Mineral oil is derived from petroleum …Therefore, 85w 140 has a higher viscosity than 80w 90 in both cold and hot weather. The viscosity chart rates 80w 90 gear oil up to 95 degrees. Whereas the gear oil 85w 140 is rated to 120 degrees. As a result, 80w 90 is thinner. That means, its flowing resistance is comparatively less than the other. Whereas, 85w 140 is thicker.LubeMax Industrial EP Gear Oil 150 200L. 4.Compounded Gear Oils. Compounded gear oils are designed to create the best possible lubrication for enclosed worm gear drives. The high sliding action of the gear teeth requires a friction-reducing agent to reduce heat and improve efficiency. The surface active agent helps prevent sliding wear and ...Typically, gear oil is designed with two components such as base oil and additives. Gear oil is thicker and always has high viscosity. The main goal of this oil is smoothly gearing the car. And it is designed for lubricant gear. Overall, gear oil cools down your vehicle gearbox and prevents rust from running the vehicle for a long-time.Sierra Marine Lube Pump - 18-9788. Part #: 18-9788. Line: SIE. Limited Lifetime Warranty. Volume (Gal): 5 Gallon. O'Reilly Auto Parts has the parts and accessories, tools, and the knowledge you may need to repair your vehicle the …How thick gear oil with SAE 250W is? Thread starter Howe; Start date Jan 18, 2022; Howe. Joined Apr 15, 2021 Messages 78. Jan 18, 2022 ... We used ISO 460 gear oil at work for a slow speed reciprocating pump gear box. At room temperature it was very similar to pouring molasses. Reactions: Howe. billt460. Joined525 posts · Joined 2006. #1 · Mar 23, 2007. I have a "wheel bearing seal" basically an axle seal going (gone) out on my WJ. In the process of fixing it {finding parts} I want to pump that d*mn aluminum D44 full of the thickest gear lube I can find. I believe I have 85-140 in there now (could be wrong).May 27, 2011 · It quiets down the aussie lockers. Mark W said: Running heavier gear lube will not solve anything. I've run 85W-140 in three 80's that have all had aussies in at least the rear axle (now in the front too)... it solves loud clicks.... the heavy weight soothes auto lockers. So, yes, it does solve something.Final drive gear hubs were designed to use gear oil, not grease. Grease is not a temporary solution to a leaking seal -- it can cause even more problems, and won't fix the seal. Don't put grease in your gear hub -- instead, fix that leaky seal and save yourself time and money. Here is an infographic summarizing the differences between ...Gear oil is essential for manual transmission units, differentials, and transfer cases of your car. Like engine oil, gear lube is handy for wear protection, heat dissipation, and expulsion of contaminants. You need to pick the right gear oil for your vehicle depending on your driving conditions, which brings us to the 75w140 vs. 75w90 discussion.10,832. Location. California. Feb 11, 2020. #9. Hub oil is for bus/big rig hubs with oil-lubed wheel ends (those usually have a Stemco hub cap with a red plug and a window to view oil level). Drain it out and put in the proper gear oil. For the Tru-Trac, I'm surprised a non-LS synthetic wouldn't work.Gear Oil Questions Answered. Noria Corporation. Of all the lubricated components out there, there are few more pervasive than gearboxes. From high-speed gearing in turbomachinery to slow-turning gear reducers, lubricant selection, application and condition have perhaps the single-largest effect on the reliability and longevity of gearboxes.West Allis,Wi. The 85/140 is best for summer use in te transmission and is usually GL4. The 85-140 is not so thick when cold but keeps it viscoosity better when hot. This helps tp prevent clutch chatter and gear rattle when backing up and oil is hot. There is no reason it can not be used in the differential also.Basically it's a grease that actually flows much like a very thick gear oil. It won't leak out of questionable seals and tends to stick and hold up to pressures very well. Typically my research is for snowblower auger gearboxes but I've also found the same answers for small transmissions on push mowers and transmissions on snowblowers ...A gear oil’s weight, or viscosity, is measured like engine oil by its thickness with a numerical value associated with it—albeit much thicker. Where engine oil may be in the 10W30 range for a multi-weight oil, gear oil is more often in the 75W90 range.It is recommended for use in all types of vehicles. 80W90 gear oil can work in tough environments. It can work in cold conditions (-20 F) and hot conditions (+410F). 80W90 gets a 9/10 rating for performance, while 75W90 gets a 7/10 rating. Additives. Additives are used to improve the performance of gear oils.www.rigidaxle.com#shorts #gearoil #short #differential In this Short, Jake talks about a couple scenarios when running thicker viscosity gear oil like an 85W...Made of graphite, these powders and flakes lubricate under heavy loads and high temperatures. They resist most chemicals and conduct heat and electricity. Use them dry or mix with oil and grease. Choose from our selection of lubricants for open gears, including over 150 products in a wide range of styles and sizes. In stock and ready to ship.It shifts and operates 100% better with the thicker 85W90 over the 75W85 OEM oil. Shifting feel believe it or not is best on very cold mornings,when the oil is at it`s thickest,then gets a little notchy once it`s good and hot. With the 100F+ Texas summer getting closer,I`ve contemplated on trying the thickest oil I could get.Jun 22, 2019 · Whether you go 75W-80 GL-4 or 75W-90 GL-4 does make a difference since the latter is twice as thick both cold and "warm". So far I'm happiest with both Castrol Syntrans V-FE = Transmax V 75W-80 and Ravenol MTF-2 75W-80 GL-4, but I wouldn't generally recommend them if your transmission is specced for 75W-90 GL-4 as I cannot guarantee wear protection is sufficient.For Lucas Synthetic 80W-85 the cSt@40C=98 and the cSt@100C=14.4. Thicker oil is actually not fixing bigger gaps, because those gears are lubricating by splashing, not by a pump (engine, transmission). Thicker oil is good in higher ambient temperatures (and load generated temperatures) because it keeps the film between them, by "sticking" to ...Gear oil is designed to protect vital components, including the gears and bearings in the drive axles and differentials, transmissions, industrial gear boxes and power take-off units. Gear oil ...This oi is a full synthetic group 4 oil. Pour point is -42C with viscosity of 244cSt at 40C. Its a thick oil that performs well. The conventional based 85w140 has a pour point -24C with viscosity of 337cSt at 40C. While both are 140 weight, the conventional version is considerably thicker when colder. my plan of attack is to slowly drive away ...