[COLVERT]

Originally Posted by Dorset Bob

Thanks for answering the question about the residual product, which has been avoided up to now.

In the case of the KV6 engine has a dry capacity of 6.0 litres, including the oil cooler.
The wet capacity (or service fill) is 5.19 litres including the oil filter.

I would consider .81 litre quite significant.
This is around 13 - 15% depending on the level chosen.

That 0.81 litres is a lot of oil to be left inside the engine after a drain down. There must be some large pockets in the casing of the engine for that to happen.--