Aug 10, 2018 at 12:21 PM #43. asand Full Access Member. you need to put the additive in it anyway,i don't trust royal purple on differential fluid,i always go back with the best which is mobil one and its formulated specially for limited slip differentials,i cant say that you will have problems from this, but i cant say you wont either,id add the extra protection to it,its a lot cheaper than replacing a differential,good luck. Royal Purple Max Gear 75w90 Fully Synthetic Gearbox Oil is an ultra-tough, high performance automotive gear oil designed to provide maximum protection to heavily loaded gears while maximizing power throughout the drivetrain. Gear Oil - Max Gear - 75w90 - Limited Slip Additive - Synthetic - 1 QT - Each ROYAL PURPLE | Part# ROY-01300 More Details... $17.49. Royal purple is good for the diffs, use their 75w-140 fluid. 4 OZ 118 ML FORD MOTORCRAFT ADDITIVE FRICTION MODIFIER. The basic, run of the mill 80W-90 from the parts store will need the 4 ounces of LSD additive, whereas some of the higher end gear oils, such as the royal purple 80W-90 has the additive already covered. The clunk and whine disappeared with the first change years ago and it comes out clear each time. Do Not Delete. Max-Gear is an ultra-tough, high performance, GL-5 automotive gear oil designed to provide maximum protection to heavily loaded gears while maximizing power throughput through the drive train. Genuine Mopar Fluid 4318060AC Limited Slip Additive - 4 oz. If the synthetic gear oil has the friction modifier, for a stock limited slip JK differential, for practically all applications adding additional friction modifier isn't required unless it seems that the clutch pack isn't functioning as it should. I change my differential lube every sixth oil change (+/- 30K miles) with Royal Purple Extreme Shock which includes LSD additive. But I would consider some of the aftermarket brands as well as the GM stuff. 1.5 MB Views: 29. 75W90 Oil Weight, Limited Slip Additive On Sale Oil Weight: 75W90 Limited Slip Additive ... Royal Purple 75W140 Max Gear Oil Change Kit for Ford 9 Inch $72.99 $98.00 Ford … Shop 1966 Pontiac GTO Royal Purple parts and get Free Shipping on orders over $99 at Speedway Motors, the Racing and Rodding Specialists. 92 Jeep Renegade - 4.0, 5 speed with Borla headers, MSD wiring. The differential only holds 1.3 quarts so the price difference between Lucas … $10.16 Royal Purple 01301 Max-Gear Synthetic Gear Lube Oil 75W140 Pack of 6 Quarts. No additional additives should be necessary. Universal Joints. Please try your search again later. If the opposite tire spins the same direction its a limited slip. Bottle. Max Atf Transmission Oil 1 Quart. Max Gear virtually eliminates both gear and bearing wear—even under severe squeeze film conditions caused by extremely high loads, sudden shock loads or low RPMs. Spider Gears & Internals. Registered. Ring & Pinion Gear Sets. 24E72731-82BB-4D03-9042-375BEBF021F3.jpeg. Limited slip additive or not? Royal Purple 75W140 Max Gear Oil, 946-mL (17) 4.8 out of 5 stars. 2007 Ford F-150 Oil, Fluid, and Additive … Since there is nothing in any differential that is not in a limited-slip differential, there should be no harm in using a friction modifier in a non-limited-slip differential, although there is no need for it. Pick some up at the dealer while you are getting the transfer case fluid. Shop All. Posts: 91 Likes Received: 109 Joined: Aug 9, 2018 Name: Aaron. Royal Purple Max Gear 75w140 Fully Synthetic Gearbox Oil is an ultra-tough, high performance automotive gear oil designed to provide maximum protection to heavily loaded gears while maximizing power throughout the drivetrain. Bottle by Genuine Mopar Customer Questions & Answers Find answers in product info, Q&As, reviews There was a problem completing your request. Above all, Max Gear outperforms ordinary gear oils by combining the highest quality synthetic oils with Royal Purple’s proprietary Synerlec® additive technology. ... like the Mobil and Royal Purple. Free P&P . Mobil, Valvoline, Amsoil, Royal Purple all make great synthetic 75W90 gear lubs that would work great for your truck. 17 reviews. Jack up the rear end and spin one tire if the other tire spins the opposite direction then you have an open diff. View on Vehicle $27.99. 1.6 MB Views: 23. They are probably more readily available and less expensive as well. Wheel Hubs, Spacers & Locking Hubs. Product #028-9087-6. Discussion in 'Engine & Drivetrain' started by chauncey0337, Aug 1, 2018. 1952 Ford F1 Royal Purple parts in-stock with same-day shipping. Contains limited-slip friction modifier; Max Gear is a high performance automotive gear oil designed to provide maximum protection to heavily loaded gears while increasing power throughput through the drive train. G80 in a GM truck will be a locking dif. All viscosity grades of Max Gear are formulated with limited-slip friction modifier necessary for some limited-slip differentials. 250ml - ACTIV8 Oil Additive for Engine / Gearbox / Differential - Petrol/Diesel. I got the Mopar Limited Slip Additive and it says to add 2% to 5% by weight. Oils, Fluids, Additives & Chemicals Grease, Gear Oils & Lubricants Gear Oils This store is currently not accepting online orders. Page 5 of 7 < Prev 1 2 3 ... Mobil One and Royal Purple do include the additive these days so it is not needed and too much might be worse than not enough. There is limited slip additive in the oil, but I had to add some to stop the diffs from chattering around tight corners. If too much friction modifier is used it defeats the purpose of LSD. It should say on the container, with the price of Royal Purple I would hope not. Shop 1952 Ford F1 Royal Purple parts and get Free Shipping on orders over $99 at Speedway Motors, the Racing and Rodding Specialists. The clutch packs did not last more than 5,000 miles before they burned up enough to easily turn the wheels in opposite directions by hand when the car is jacked up. Shop All. Rev 07/20 . Parts by Diff . All Differentials AMC Chrysler Dana Ford GM Toyota. £50.99 + P&P . Genuine Mopar Fluid 4318060AC Limited Slip Additive - 4 oz.… › Questions & Answers Genuine Mopar Fluid 4318060AC Limited Slip Additive - 4 oz. Off-Road Recovery Gear. This is borne out by the fact that most popular modern synthetic gear oils already have friction modifiers in them. Out of Stock. If that's the case you might only have to add an additional 1/4-1/2 oz. Shop 2007 Ford F-150 Oil, Fluid, and Additive and get Free Shipping on orders over $99 at Speedway Motors, the Racing and Rodding Specialists. As a result, Max Gear makes gears run smoother, quieter, cooler and longer without overhauls. Save Share. You can test if you have limited slip. Free P&P . 4.8 out of 5 stars 670. 75w140 GEAR OIL AND LIMITED SLIP DIFFERENTIAL ADDITIVE SET. Most of the gear oils you can find at the parts stores are GL-5 spec but not all GL-5 spec fluids meet the requirements for limited slip clutches. $100.96 Lucas 10122 75/140 Synthetic Gear Oil - 1 Gallon. (make sure it says nv247 fluid on the bottle, my dealer was confused about what I was looking for at first). Contact our Technical Services Department to inquire about a claim or for questions about Royal Purple’s Limited Warranty. Manual search Enter search terms and filter results Search Vehicle selection Select your category, model & type Duralec Gear Oil HDis an ultra-tough, high performance, ... Synerlec additive technology, Royal Purple’s tough, EP lubricating film, provides maximum protection under boundary lubrication conditions typically caused by heavily loaded, slow speed and/or shock load conditions. use in Limited Slip / Positrac applications. EDIT: I went with the RP btw £12.00. Royal Purple formulates and markets automotive additives of the highest quality to ensure they meet and exceed the performance requirements for all applicable automotive systems. 4.7 out of 5 stars 42. Miscellaneous. Royal Purple produces high-quality oils and lubricants for nearly any engine and transmission combination you have. Nv247 fluid on the bottle, my dealer was confused about what I looking. Cars have the Gleasen-Torsen type limited slip Oil and limited slip have the Gleasen-Torsen type limited differential. 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