viscosity

  1. oilman

    Cold Weather Gear Changes

    Hi all, Around this time of year we get quite a few questions about experiencing difficult gearshifts in cold weather, so we thought you might find this useful. Using the incorrect viscosity gear oil in your car can make gear changes very difficult when the gearbox, and oil are cold. This is...
  2. M

    gearbox oil

    going to change the gearbox oil and just wanted to know what viscosity to use or brand??
  3. P

    VVT rattle after service

    The car has just had its first service in the UK and to honour this I went along to the boys down at APT. (Paperwork and all) On the way back I noticed that I now have a louder VVT rattle. I say its VVT but basically the classic SR rattle. All I could think was different viscosity of oil...
  4. oilman

    Answers From The Oil Expert Part # 2

    Hello all, As a follow on from our last post on questions and answers from John Rowland we now have part 2 for those that crave more ?oily knowledge?. As before some of these topics have been covered but we feel worth the read. Some oil companies have run advertising campaigns that imply...
  5. oilman

    Gearoil F.A.Q'S

    We are often asked why don?t you do an article on Gear Oils? Well, an article would be very complex but here are the answers to a few FAQ?s that we have had over the years. What does API GL mean? API stands for American Petroleum Industry and GL stands for Gear Lubricant, see below for their...
  6. oilman

    Are 0w and 5w oils too thin?

    I read on many forums about 0w and 5w oils being too thin. 0w-40, 5w-40, 10w-40 and 15w-40 are all the same thickness (14 centistokes) at 100degC. Centistokes (cst) is the measure of a fluid's resistance to flow (viscosity). It is calculated in terms of the time required for a standard...
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