Hi guys I recently done an oil change in the box and put the high performance stuff in thinking it would be best for the box as that's what I was supplied, I've been reading up and finding that it's the high performance oil which causes this, is this oil really that bad? Thanks

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Car is a vrs

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What grade have you used?

75w80 fully synthetic you want.

Mine had 75w90 when I bought the car,cold gear changes were very notchy,lovely once I changed it to 75w80

I bought the high performance stuff listed for my car through dealer, it's terrible cold and more bearable warm, it wasn't like that before the oil change

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Moral of the story:

 

Leave your gearbox oil alone, it's fully synthetic and will easily last the design lifetime of the gearbox.

Sorry I should of stated the oil had to be drained in order to do what was getting done and no that has nothing to do with why it's tight, I wasn't putting the old oil back in

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