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Royal Purple Max Gear 75w140 Gear Oil

Item 45006
Call a Mustang Enthusiast at 1-877-887-1105
M-F 8:30A-11P, Sat-Sun 8:30A-9P
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$19.21

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      Video Review & Installation

      ROYAL PURPLE MAX 75w140 GEAR OIL IS A GOOD CHOICE FOR ANY MUSTANG OWNER WHO’S PICKING UP A NEAR SET OF REAR GEARS AND WANTS TO MAKE SURE THEY’RE PICKING UP A REPUTABLE, RELIABLE LUBRICATION. ONE QUART HERE RUNS AT JUST UNDER THE $20 MARK, AND THE APPLYING NEW GEAR OIL GETS ABOUT A 2 OUT OF 3 WRENCHES ON OUR DIFFICULTY METER.THERE ARE SOME FACTORS THAT COME INTO PLAY WHEN PICKING OUT YOUR NEW GEAR OIL. BUT IN ORDER TO CHOOSE THE RIGHT OIL, YOU’LL FIRST NEED TO UNDERSTAND THEIR GRADES BECAUSE IT’S CRUTIAL IN MAKIG SURE YOUR GEARS MESH AND TURN SMOOTHLY WITH PROPER LUBRICATION. THIS ONE HERE IS GRADED AT 75W140. THE GRADING SYSTEM IS MEASURING THE VISCOCITY OF THE OIL, WHICH IS A MEASURMENT OF THE THICKNESS OF A LIQUID. THE LARGER THE NUMBER, THE MORE VISCOUS, OR THICK THE OIL IS. YOU’D WANT A THICKER OIL IF YOU’RE CAR IS UNDER HEAVY WEIGHT OR LOAD, OR IF YOU’VE GOT A HEAVY FOOT AND REALLY BEAT ON IT. WHEN YOU UPGRADE GEARS, MOST OWNERS WOULD UPGRADE TO A THICKER GEAR OIL TO SOMETHING LIKE THIS 75W140, ALTHOUGH IT MAY VARY DEPENDING ON YOUR NEW GEAR MANUFACTURERS RECOMMENDATIONS, AND WHAT WOULD BE BEST FOR YOUR APPLICATION.THIS GEAR OIL FROM ROYAL PURAL IS A MULTI-GRADE, SINCE YOU’RE SEEING TWO NUMBERS THERE. THE 75W BEING THE FIRST, AND 140 THE SECOND GRADE. THE W AFTER 75 REFERS TO IT’S WINTER VISCOSITY RATING, MEANING IT’S CERTIFIED AND TESTED AT 32 DEGREES FAHRENHEIT. THE 140, WITHOUT THE W, REFERS TO IT’S HEAT RATING WITH A CERTIFIED TESTING AT 212 DEGREES. A MULTI-GRADE OIL LIKE THIS DOESN’T NEED TO BE CHANGED OUT FOR THE DIFFERENT CLIMATES IT MAY BE EXPOSED TO. IF YOU’RE LOOKING FOR THE MORE VISCOUS OIL LIKE THIS ONE HERE, IT COMES AT ABOUT $20 A QUART. YOU’LL WANT TO BE SURE TO LEARN HOW MANY QUARTS YOUR MUSTANG NEEDS, AS IT CAN DIFFER DEPENDING ON GEN AND PACKAGE.ANYTIME YOU’RE CHANGING GEARS, YOU’LL NEED NEW GEAR OIL. SO THE INSTALLATION IS PRETTY INVOLVED. APPLYING THE GEAR OIL ITSELF ISN’T HARD, BUT IT REALLY DEPENDS ON YOUR METHOD. IF YOU’RE NOT ACTUALLY CHANGING GEARS, BUT JUST NEED TO CHANGE OUT THE OIL, YOU CAN PICK UP AN GEAR OIL PUMP AND TUBING IN SOME CASES. EVEN WITH THAT IN MIND, THIS METHOD GET MORE OF A 1 OUT OF 3 WRENCHES ON OUR DIFFICULTY METER. HOWEVER, IF YOU’RE COMPLETELY CHANGING GEARS, THAT PROCESS IS A FULL 3 OUT OF 3 WRENCHES ON THE DIFFICULTY METER BECAUSE YOU’RE COMPLETELY DISASSEMBLING THE DIFFERENTIAL WHEN APPLING THE NEW OIL. WITH THAT SAID, INSTALL TIMES CAN VARY FROM 1 HOUR TO SEVERAL.THAT WRAPS THIS UP SO IF YOU’RE IN NEED OF NEW GEAR OIL AND YOU’RE LEANING ON THE SIDE OF A MORE VISOUS OR THICKER OIL, THE 75W140 ROYAL PURPLE MAX GEAR OIL CAN BE FOUND RIGHT HERE AT AMERICANMUSCLE.COM.

      Product Information

      Features, Description, Reviews, Q&A, Specs & Installation

      Features

      • Fully Synthetic
      • Friction Modifier Included
      • Protects Against Wear
      • Reduces Gear Whine
      • 75w140 Weight
      • 8.8" Ford Rear Ends Require 3 Quarts
      • For 1979 to 2020 Mustangs

      Description

      Pure Performance. Maximize performance from your Mustang's drivetrain with Royal Purple Max Gear oil. This fully synthetic oil is the perfect complement to new gears, lubricating better and ensuring your differential keeps working its best whether it has gone a thousand miles or a hundred thousand.

      Protect Your Investment. Made with Royal Purple's innovative Synslide® additive, Max Gear oil is perfect for upgrades or routine service. It's the gear oil of choice for greater wear protection and lower temperatures for every car, from daily drivers to track-day toys. It prevents corrosion and meets all warranty requirements, so adding Royal Purple Max Gear oil is great for peace of mind when it comes to your Pony.

      Includes Friction Modifier. Unlike other oils, all viscosities of Max-Gear® are formulated with hypoid friction modifiers necessary for use in clutch or cone type differentials. No additional additives are necessary.

      Application. Royal Purple Max Gear 75w140 weight oil is recommended for use in 1979 to 2020 Mustangs and is compatible with other oils. Three (3) quarts of gear oil are required to fill a 8.8" Ford rear end.

      Fitment: 1979 1980 1981 1982 1983 1984 1985 1986 1987 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018 2019 2020 Details

      Royal Purple 01301

      CA Residents: WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov

      Installation & What's in the Box

      Installation Info

      What's in the Box

      • (1) one quart bottle

      Tech Specs

      4.9

      Customer Reviews (100+)

        Reviews of Royal Purple Engine products have an average rating of 4.9 out of 5

          Questions & Answers

          10 More Questions

          Will It Fit My Mustang

          • Boss 302 - 12, 13
          • Bullitt - 01, 08, 09, 19, 20
          • Cobra - 93, 94, 95, 96, 97, 98, 99, 01, 03, 04
          • Cobra R - 93, 95, 00
          • EcoBoost - 15, 16, 17, 18, 19, 20
          • GT - 87, 88, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98, 99, 00, 01, 02, 03, 04, 05, 06, 07, 08, 09, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20
          • GT350 - 15, 16, 17, 18, 19, 20
          • GT350R - 15, 16, 17, 18, 19, 20
          • GT500 - 07, 08, 09, 10, 11, 12, 13, 14, 20
          • LX - 87, 88, 89, 90, 91, 92, 93
          • Mach 1 - 03, 04
          • Other - 79, 80, 81, 82, 83, 84, 85, 86
          • V6 - 94, 95, 96, 97, 98, 99, 00, 01, 02, 03, 04, 05, 06, 07, 08, 09, 10, 11, 12, 13, 14, 15, 16, 17