Looking for a Hobbs [sp?] switch

[Ken Mayer]

On Wed, 8 Oct 1997, Ed or Jose wrote:

> I'm looking for a normally-closed Hobbs (Hobbes?) switch that opens the
> circuit at around 10psi. I'm using it to shut off a nitrous system on a
> turbo car.
> 	Is there such a switch that's readily available from the local parts
> store...just tell them "I need part # X for a brand Y car"? 

My 1980 Trailduster (360 engine) has an oil pressure switch with 2
terminals.  One is normally open, the other normally closed.

Ken
:-)