It is not unusual for people to run across someone they elevate to ' Guru ' status ...then accept what they say not matter what evidence is offered to the contrary.

Why did you not address the ' flaw ' in my description of the physics of being able to reproduce the flow rate on other IPs by utilizing the amazing uniformity of size of drops formed by the same viscosity fluid at different locations ?

Why would those people WHO MADE THE CAR risk their reputations by recommending in the FACTORY SHOP MANUAL the drip method IF some other easier more accurate method was so obvious ?

Does not compute.

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1980 240d ,

chain elongation, cam marks reference:
http://www.peachparts.com/shopforum/showthread.php?threadid=10414

http://www.peachparts.com/shopforum/diesel-discussion/305365-9-degrees-chain-stretch.html

evap fin cleaning:

http://www.peachparts.com/shopforum/diesel-discussion/156207-photo-step-step-post-showing-w123-evaporator-removal-1983-240d-1982-300td.html?highlight=evaporator

A/C thread

http://www.peachparts.com/shopforum/diesel-discussion/297462-c-recommendations-mb-vehicles.html