[faverymi]

IMHO. As a consumer.

1 The engines I have are pre 964. 3.0 SC and 2.7 S.
2 I understand and get the need of more oil in the bottom in a turbo car.
3 The design of the valve train in 90s motors is different than previous generations

A.Older motors had leaded fuel available(helped with valves, combustion,etc
B Older motors had non ethanol gas(helped lubrication)
C Older motors had different motor oil with ZDDP( we all know)

Under modern conditions I think I would stick with a non restricted flow of oil into the cam carriers. Why would I like to have less oil than the amount that was originally designed for my "old engines" under the less desirable modern conditions? Lets say anything non turbo before 1990.

If I had a turbo motor or a post 1990 motor would be a different story.

BTW thank you for all the replies. Very constructive. Highly appreciated