Saw these Diesel Compression Guages on eBay today.  Thought somebody might be interested.

http://cgi.ebay.com/aw-cgi/eBayISAPI.dll?ViewItem&item=510275426
http://cgi.ebay.com/aw-cgi/eBayISAPI.dll?ViewItem&item=508423663

I'm not sure if these are separate items or if seller inadvertantly posted twice.
Not mine.  I know nothing other than what I have read in the ads.  I'm passing along the info FYI, blah, blah, blah.

Maynard     OvO '79
'82 Westy Diesel "Reinhardt"
'93 EV GL "Klinger"
'00 Golf GLS TDI "WooHoo"
'84 Jetta GL TD