that same thing goes for about $14 to $25 on ebay .. without fail..

do a search for vacuum pump

here's one
http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&item=2331633034&category=11704

here's another

http://cgi.ebay.com/ebaymotors/ws/eBayISAPI.dll?ViewItem&category=6755&item=2421476592

this is a simple venturi effect device I think .. you supply high pressure with your probably at least 3/4 hp compressor 90psi ..

this is a simple device like a black box ..

I think all it does is have a pass through of your pressure and takes the vacuum off a venturi effect (like in a carb) where the rushing air passing buy pulls air with it (suction) out a side tube which must be where your vacuum hose would connect ...

someone could make one .. but for $10 andprobably $8 shipping .. it's worth it ( IF you have an air compressor that can run for 30 min with out overheating -- that's a strong system / big tank .. and 90 psi is nothing to sneeze at ) .--- this is a real half assed method of pulling vacuum ( very inefficient) .

its just a car to get from pt a to b usually it does it nicely --AIM: chronon1 95 Tour SE, 2.5 lliter 24V DOHC V6, 5 speed manual