not exactly what you want
both this video is worth a look:

http://video.google.com/videoplay?docid=-8762172118089635709

does anyone have one of the old hydraulic lifter test stands that Chrysler, Ford or GM used to have in the specialized tool catalogs?

I ask to be able to have a
Brand name or official part number for eBay searches

did you know that a
Rhoads style hyd lifter
has a flat machined on purpose to the internal piston outside diameter to cause it to leak down quicker, but in a repeatable way?

http://tinyurl.com/6bglcp

http://tf.tribes.cc/telfort/px/url/287/p...p;RS=PN/5623898

if you have trouble seeing the USPTO drawings
which are TIFF files
download and use the
free Apple Safari for Windows
browser program which has good tiff support built right in