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Royal Purple Differential grease

This is a discussion on Royal Purple Differential grease within the Drivetrain forums, part of the LSx Technical Help Section category; anybody use it? If so, does it add or take away gear noise? Are there any draw backs to using ...

  1. #1
    Master Mechanic Jims455's Avatar
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    Jun 2006
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    Red
    '02 WS6

    Royal Purple Differential grease

    anybody use it? If so, does it add or take away gear noise? Are there any draw backs to using the stuff?

  2. #2
    Member silverz28camaro's Avatar
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    Apr 2006
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    Washington MO
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    sebring silver
    2000 z28

    i put it in my car, no problems, the idea of it is to reduce drag from the thick gear oil in ther from the factory i did notice that the royal purple was slightly thinner and is supposed to lower temps

    heres a test you can do , get a laser thermo reader and drive your car 10 mile and take the temp do this for 2 weeks every day and note the air temp as well , then change the fluid to royal and do the same test to see if the average temp is lower

    i thougt about that after i put it in my rear end other wise i would have done the test

    new fluid will not hurt the diff .. only help

  3. #3
    Master Mechanic Jims455's Avatar
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    212

    Red
    '02 WS6

    thanks

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