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  1. #11
    Join Date
    Jul 2017
    Posts
    45
    It is a good idea to change the oil out in the diff, it will stop the whine, that reminds me I do need to do mine again, I dont have any noises but will change it every 10k miles its only 75 and a doddle to do

  2. #12
    Join Date
    Jul 2015
    Posts
    28
    We've done a couple under warranty with low kays for the same noises

  3. #13
    Join Date
    Nov 2017
    Posts
    1
    Just had mine changed out this week and made no difference. Still noisy when you take your foot off the accelerator


    Sent from my iPhone using Tapatalk

  4. #14
    Join Date
    Jun 2015
    Location
    Perth WA
    Posts
    127
    I put Royal Purple Max gear in mine, can't hear a thing any more. Oh yeh and no additive needed.
    VF GTS, 22.5% overdrive pulley, 2" primary 4-1 extractors on to twin 3" exhaust, Cold Air, 160 deg thermostat, Cam, double valve springs, 65lbs injectors. 649 rwhp.







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