[DeTomaso] vacuum pump

[Julian Kift]

> There are also miniature draft tubes that install in the exhaust pipes with a 
> check valve, that are installed to draw a vacuum or fresh air through the 
> crankcase.  On my list of things to try one day ... some fear though other 
> drivers would notice the fumes and rat me out to The Man.

Yes, like this.....
 
http://www.poca.com/index.php/gallery/?g2_itemId=11228
 
Julian