DEFINITION
SPEEDWAY 50 is a specially formulated oil for racing engines running on methanol or other alcohol fuels which are
incompatible with normal engine lubricants.
SPEEDWAY 50 will tolerate quantities of unburnt methanol fuel passing the piston rings into the crankcase.
Normal motor oils will not function correctly as they are not miscible under these conditions with a build up of
methanol and quantities of fuel and oil being pumped around the engine. As this fuel is a poor lubricant, only partial
lubrication will occur and can lead to premature engine wear and failure in a short period of time.
To alleviate this problem, SPEEDWAY 50 has been developed to allow methanol to become soluble in the oil
enabling consistent lubrication to continue until saturation occurs.
SPEEDWAY 50 has been developed to suit racing engines running on petrol fuels such as Avgas, High Octane
leaded or un-leaded petrol. It is a shear resistant lubricant enabling high speed high temperature performance to be
obtained over several race meetings.
APPLICATIONS
Alcohol fueled racing engines will benefit from SPEEDWAY 50. Speedway 50 lubricant life is limited
by the dilution of methanol which increasingly reduces its lubrication properties. The point of saturation or
when the lubricant is unfit for further use can only be determined by the user taking into account, Engine
type, Fuel/Air ratios and Racing conditions.
Similiarly, SPEEDWAY 50 lubricant life is limited by fuel dilution, contamination by ingress of dirt or water
particles etc. and further use can only be determined by the user taking into account, Engine type,
Fuel/Air ratios and Racing conditions.
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