Feature On Oils (Mark Wakem - Shell Global Solutions UK)

sampling MUST be carried out rigorously, for example for example by taking a
sample for analysis at the end of every meeting or event. The sample can then
be mailed to an independent oil analysis laboratory
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Oils for transmissions have to operate in an incredibly demanding environment
that combines severe shock loads and a wide range of thermal environments. In
categories using complex 4WD systems, friction and viscous losses can be
significant and must be minimised. Yet it’s important as noted earlier to err on
the side of reliability – no prizes for being faster but not making the finish line.
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Yet for those willing to push the limits, the out-and-out winners will always seek
greater performance. But their adventurousness, for example if considering
lower viscosity oils in the search for reduced losses, will be tempered with
rigorous testing. Other areas they may consider include reducing aerodynamic
drag by cutting oil cooler or water radiator area – but test and analyse the data
thoroughly.
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Top teams are not tempted to blend their own oils or use additives, and neither
should the club racers, despite what the paddock experts might suggest.
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