 Bought a CHT Gauge, FINALLY |
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| McMark |
 Nov 23 2006, 01:34 AM
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#1
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914 Freak!  Group: Retired Admin Posts: 20,179 Joined: 13-March 03 From: Grand Rapids, MI Member No.: 419 Region Association: None  |
I finally invested in a CHT gauge. This is the one I got.
(IMG:http://www.aircraftspruce.com/catalog/inpages/inmisc/CH130.jpg) I wanted to get a temperature compensating model. VDO CHT gauges read high or low depending on the ambient temperature in the cabin. And as a bonus, this model is about $15 cheaper than the VDO. (IMG:style_emoticons/default/wink.gif) It should be here Saturday, and then I get to install it. It will be interesting to see what my head temps are running at with 9.5:1 compression. I wanted to get a baseline of CHT and oil temps before I pull the motor and upgrade the cam. |
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| Hammy |
Nov 23 2006, 02:12 AM
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mr. Wonderful Group: Members Posts: 1,826 Joined: 20-October 04 From: Columbia, California Member No.: 2,978 Region Association: Northern California |
Looks cool Mark.
I like the temperature compensation I've been meaning to get a CHT gauge for myself. Do you know if it comes with the sender and wires? |
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| McMark |
Nov 23 2006, 05:25 AM
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#3
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914 Freak! Group: Retired Admin Posts: 20,179 Joined: 13-March 03 From: Grand Rapids, MI Member No.: 419 Region Association: None |
You can buy them on the same site. Click on Instruments and the Probes & Senders. You need the 14mm setup. I can get you part numbers if you need them.
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| bd1308 |
Nov 23 2006, 08:27 AM
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#4
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Sir Post-a-lot Group: Members Posts: 8,020 Joined: 24-January 05 From: Louisville,KY Member No.: 3,501 |
I bought one from Dakota Digital. I like it, it compensates too.
Nice job though, there's something about analog gauges... |
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| Demick |
Nov 23 2006, 10:28 AM
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#5
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Ernie made me do it! Group: Benefactors Posts: 2,312 Joined: 6-February 03 From: Pleasanton, CA Member No.: 257  |
Gotta laugh at the description. They advertise 2% accuracy, but you can only read the gauge to about the nearest 25 degrees.
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| PinetreePorsche |
Nov 23 2006, 10:51 AM
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#6
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Member Group: Members Posts: 235 Joined: 14-November 05 From: Falls Church, VA Member No.: 5,124 |
So where does this one read the temp, and what do you have to do to install the sensor land lead? -Chris H.
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| McMark |
Nov 23 2006, 12:25 PM
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#7
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914 Freak! Group: Retired Admin Posts: 20,179 Joined: 13-March 03 From: Grand Rapids, MI Member No.: 419 Region Association: None |
The thermocouple (sender) goes under the #3 spark plug. Just unscrew the plug, slip the thermocouple around it like a washer, and then screw it back in. Route the wire through the factory harness and to the gauge. No problem. I'll take pictures when I install mine, should take about an hour.
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| PinetreePorsche |
Nov 24 2006, 07:05 AM
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#8
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Member Group: Members Posts: 235 Joined: 14-November 05 From: Falls Church, VA Member No.: 5,124 |
OK--even went to the spruce link and looked at it. Still don't know: what does 1-2-3 and 2-4-6 refer to? Hundreds of degrees? Why not 180 to 34o, spread across the dial? Why am I clueless? -Chris H
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