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Old 11-23-2013, 04:09 PM   #27 (permalink)
aerohead
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temps

Yes,the fully-warmed-up equilibrium temp for all the lubricants is now lower,and pour-point viscosity will never be as low as before.The tires will have higher R-R,and the air density is up,given constant barometric pressure.
This is why the SAE does fully-warmed, back-to-back comparisons,same day,as quickly as they can reconfigure the vehicle.
The only test variable should be the shape of the car.
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