Re: EGT gauges

["Peter D. Hipson" <mail@darkstar.mv.com>]

Were I doing this... <g> 

I'd get a single (or double) EGT guage. I'd then build an electronic
switcher to switch it between each of the cylinders. I'd also build a
display that would indicate the currently displayed cylinder. Make the
switching rate variable, too. This would be cheap, reliable, and won't
require user intervention--something that you may not be able to do safely. 

As to logging, if you custom built your system (easy, really) then you
could have an output going to a notebook's printer port. (Ok, easy for some
of us, and hard for others... <bg>)

At 12:50 PM 6/14/2000 -0500, you wrote:
>
>Hello,
>
>I am in the process of rebuilding an engine.  I am looking at putting
>an EGT gauge on the new setup.   I would like a fairly easy way to
>read all 8 cyliners and possibly log some of the data (maybe with
>rpm).
>
>So far I have found an aircraft gauge that will do all 8 cyliners, but
>the cheap one won't log data and the cheap on costs $820 or so for all
>8, which is a bit more than I really want to spend.   And this one
>also has clamp on type probes, and from everything I have read the
>weld on bungs with screw in probes leak less.   The aircraft gauge
>will scan between all cyliners, and will highlight the highest
>cylinder, and has high/low temp limits of 1100F/1650F which I have
>been led to believe from others may be too high for a 11:1
>compression NA auto engine.   Their is a more expensive aircraft gauge
>that will allow the setting of the temp limits, and the cheaper gauge
>will also alert you if there is more than a certain amount of temp
>spread between the cyliners (settable at 95F or 195F).   I have also
>been led to believe that the aircraft sensors are very reliable (long
>lasting) but take a few seconds to get to reading a stable reading, so
>may not be that good to use to look at a given point.
>
>My other thought is to get a gauge that will read two at the same
>time, and have two 4 way switches to switch between the cyliners, is
>there any better gauge for this?
>
>				Roger
>
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>
Thanks, 
        Peter Hipson (founder, NEHOG)
        1995 White NA Hummer Wagon
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