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  1. oilman

    Gearbox, diff & transfer box recommendations HERE >

    Getting the right oil for gearboxes, diffs and transfer boxes can be tricky, so please ask here if there is any information that you need. To help us to give the most accurate advice possible we do need some information about your car. e.g. Make: Model: Year: Manual/Auto: Performance...
  2. oilman

    Engine Oil Viscosity

    Viscosity is the most misunderstood aspect of oil and yet it is the most important. Viscosity is the force required to shear (break) the oil at a certain speed and temperature. Oils work because they have viscosity; the drag of a rotating part pulls oil from a low-pressure area into a high...
  3. oilman

    The Advantages of Synthetic Oils over Mineral oils

    The Advantages of Synthetic Oils over Mineral oils Extended oil drain periods Better wear protection and therefore extended engine life Most synthetics give better MPG They flow better when cold and are more thermally stable when hot Surface-active meaning a thin layer of oil on the surfaces...
  4. 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...
  5. oilman

    Brake Fluid explained

    Brake fluid... Bit of a mystery topic! To help dispel some myths and for some good solid general info on the mysterious world of brake fluids I decided to contact Millers Oils up in West Yorkshire. Their Technical Director, Martyn Mann was on hand to give us some useful info… below is...
  6. oilman

    Oil & Cold Starts - Good Advice from Opie Oils

    At this time of year, it’s beneficial to use an oil that has good cold start flow properties as it will get to the parts of the engine that need it far more quickly when you turn the key on those sub zero mornings. The "w" number which means winter is the key here and the lower it is the better...
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