<VV> VDO Gauges

Larry Forman Larry@Forman.net
Wed, 09 Jun 2004 20:22:30 -0700


Hi Ned,
Here are some other alternatives for you or someone else to consider:
1. I mounted one VDO CHT gauge and a switch so I could select either the 
right or left CHT sending unit.  I mounted these in the stock location for 
cylinder head temp switch or thermister and connected the common sides 
together and selected with a single pole dual position switch either the 
right or left sending unit.  The 14 mm ring can be mounted easily with some 
brass or copper washers using either bolts or the stock hardware.  That way 
I could use up only one gauge position, but be able to read either one as I 
wish.
2. Another approach might be to get a 555 timing circuit connected as an 
astable oscillator and drive a relay with it.  That way, you could have the 
gauge automatically select one side then switch to the other and back.  The 
timing could be a few seconds on each side.  If desired, an LED could be 
mounted to indicate selected side.  Alternatively, two LEDs could be 
mounted to indicate right and left selections.
3. While I have not used the line that Clark's sells, they have a dual CHT 
gauge for those wanting to see both gauges but only use one mounting position.

-- Larry

At 11:01 PM 6/9/2004 -0400, AeroNed@aol.com wrote:
>Of the original 4 little gauges, I now have a pair of VDO CHTs (can you be
>too paranoid about CHT with a 140?) and an electrical OP. The OP was the most
>"difficult." It's mounted in the lower right and required some small
>modifications to the support behind the dash. All in all it was pretty 
>easy to do. They
>look and work great. I'd like to get a tach next, but the stock one works and
>isn't faded.
>
>Ned