Looking for a 1-psi Hobbes switch

[Don.F.Broadus at ucm.com]

Ford had 3 Hobbs switches mounted on the fender of the 4 cyl.  turbo mustang
check  at your local U-Pull-it . 
                                      Don

> -----Original Message-----
> From:	Pat Ford [SMTP:pford at qnx.com]
> Sent:	Monday, May 10, 1999 7:23 AM
> To:	diy_efi at efi332.eng.ohio-state.edu
> Subject:	Re: Looking for a 1-psi Hobbes switch
> 
> Previously, you (DemonTSi at aol.com) wrote:
> 
> another alternative is the diaphram used in washing machines they work in
> inches of water ( put a restrictor to prevent backfire from poping it)
> 
> > In a message dated 5/8/99 5:54:18 PM Pacific Daylight Time, 
> > EdDSP at ix.netcom.com writes:
> > 
> > << Here's what I'm doing. I'd like to mount a switch on an intake
> manifold
> >  that'll work once there is positive pressure (boost). Such a switch
> >  exist? A part # would be most appreciated too. >>
> 
> and the washer machine one is adjustible
> 
> > 
> > The lowest psi activated switch I've ever seen was a 3psi unit...that
> goes 
> > for like 125 bucks! You can get an adjustable hobbs one (sold for use
> with 
> > nos systems) that activates at 5psi for like under 10 bucks. Then you
> can use 
> > a regulator or other restrictor inline and adjust it to show the switch
> the 
> > psi you need.
> > 
> > Van
> 
> 
> --
> Pat Ford                           email: pford at qnx.com
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