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Red Line GL-5 gear oil is formulated for exceptional protection and improved differential efficiency. It offers excellent lubrication, high viscosity index, and reduces operating temperatures. This gear oil surpasses API GL-5 specifications. While formerly known as Lightweight Gear Oil, the current formula includes friction modifiers compatible with clutch-type limited-slip differentials (LSDs) eliminating the need for additional modifiers in most cases.
This product is not suitable for most manual transmissions or synchronizer-equipped transaxles due to potential shifting issues caused by increased slipperiness. However, it is popular in many late-model vehicles across various brands and also finds application in Formula racing transmissions including Hewland LD-200 and FTR sequential gearboxes.
In terms of viscosity, Red Line GL-5 fulfills the requirements of SAE 75W80, 75W, 80W, and 85W gear oils, along with SAE 30 and SAE 10W30 motor oils.
These products contain the extreme pressure additives necessary for ultimate protection road cars and racing vehicles, as well as friction modifiers (except NS) for proper limited-slip operation
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