Thank you for this reply. Very good info.

My question is related to this approach and why is it not used by manf.

Assume car is sitting on level ground and is in a static condition which I will define as car at 70 degF for at least 12 hours without having been energized in any way (engine not run).

In this static state will not all of the draining have reached an equilibrium such that the cold dip reading level can now be accurately stated for a given vehicle type. If I use this method it is much easier to be consistent and accurate.

Give me your ideas on this and of course I will test it anyway. Bear in mind that I am assuming a standard production vehicle with an undamaged pan etc.

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Dionysius