Todd,
good point.  I'll put the fuel pressure gauge after the pressure
regulator.  You're right.  I need to get the same pressure that is
going to injectors, especially since I suspect that the pressure
regulator might be flaky.

Regards,
Craig

On Sun, 20 Jun 2004 11:02:57 -0700, Todd Last <rubatoguy@comcast.net> wrote:
>
> I would think that they would be fine assuming that they are accurate.
> It would be interesting to test them alongside an "expensive" gauge to
> see if there is any difference.
> One thing I have noticed in less accurate gauges is that they play with
> the dial scale and pointer width to conceal the margin of error.
>
> In anycase, I'm wondering if  a better placement for the fuel pressure
> gauge would  be AFTER the fuel pressure regulator.
> If you put it right after the fuel pump, you'd only see the delivered
> pressure from the pump, not the actual pressure the injectors are seeing.
> right?  And you never want to use a mechanical pressure gauge in the
> passenger compartment for fuel pressure. (because of what would happen
> if it leaked)
>
> Todd
> '88 Westy
>
>
>
> Craig Oda wrote:
>
> >I've recently purchased some cheap gauges from JC Whitney.  I'm not
> >sure how they''ll perform, but they were cheap and should provide some
> >entertainment during installation one weekend.
> >
> >I bought a electronic oil pressure gauge and sender for $20.  This
> >seems suspiciously cheap to me.  I plan to use this as a fuel pressure
> >gauge for my injection system.  I have a VDO sender and guage for my
> >oil pressure.  I was going to get the same gauge and sender for the
> >fuel, but saw this el cheapo set on the Internet.  My plan is to put
> >this inline, someplace after the fuel pump, maybe even under the van.
> >I might even take the sender voltage from the line that powers the
> >fuel pump.  Does this sound like a reasonable plan?
> >
> >
> >http://www.jcwhitney.com/webapp/wcs/stores/servlet/ProductDisplay?catalogId=10101&storeId=10101&langId=-1&productId=218998&mediaCode=ZX&appId=385824
> >
> >
> >I also ordered this cheap voltmeter for $13.
> >http://www.jcwhitney.com/webapp/wcs/stores/servlet/ProductDisplay?catalogId=10101&storeId=10101&langId=-1&productId=218997&mediaCode=ZX&appId=384858
> >
> >My plan is to use the voltmeter on my auxiliary battery, permanently
> >mounted.  I plan to leave it hooked up all the time.  Though, I might
> >put a toggle switch on it.  Even without a toggle switch, I think that
> >the current draw is so low as to not be a problem...  right?  I would
> >use switched voltage for the backlight.
> >
> >
> >Finally, I got this $40 air-fuel mixture gauge that I plan to splice
> >into the oxygen sensor and power from switched voltage.
> >http://www.jcwhitney.com/webapp/wcs/stores/servlet/ProductDisplay?catalogId=10101&storeId=10101&langId=-1&productId=221860&mediaCode=ZX&appId=385055
> >
> >I'd be interested in hearing people's thoughts on these plans.
> >
> >Regards,
> >Craig
> >
> >
> >
>
>