Archie wrote:

Supplementary vacuum using this method has been used in auto racing for over
twenty years.
This AutoCAD drawing is one I made for illustrative purposes for a class I
taught.
A kit is now available from most speed shops incorporating components, or
you can
purchase new GM valves, and fabricate the rest.
Archie

Archie what version of ACAD is that? Can you plot it as a gif? ACAD R12 can do
that.

Paul Lamar
 
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