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randywebb's Avatar
 
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adding small gauge to a tach

There have been several examples posted where a small gauge was added to a tach. In the Oct. Excellence (photo legend on p. 103) it says that the gauge was added to a 930 tach after the boost gauge was removed.

Is that what most people have done to add a gauge to a tach?

Does it seem like a fairly cheap DIY way to do this?

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Old 08-23-2006, 11:04 AM
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The real problem is not drilling three small holes in the tach face to install the additional movement. It's getting the scale on the face (the usual suspects use a silkscreen process) and getting the bezel ring on and off without making it look like the dog chewed on it.
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Old 08-23-2006, 11:36 AM
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I believe you can buy the tach/voltmeter combo. What combo are you thinking about?
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Old 08-23-2006, 12:05 PM
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no ho speedometer has done several different combos for us using the 930 tach idea- clock, voltmeter, a/f ratio led bar readout. you may want to contact them directly
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Old 08-23-2006, 12:18 PM
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check this thread out...
Photoshop, Tach advice/help needed
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Old 08-23-2006, 12:29 PM
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Quote:
Originally posted by masraum
I believe you can buy the tach/voltmeter combo. What combo are you thinking about?
Dunno. As usual, I'm just noodling around before trying anything. I have an idea to put the older (green) gauges into my '73, but a volmeter in the stock tach is also interesting -- or a vacuum gauge; or twin cyl. head temp gauges like RoninLB has on his dash or console.
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Old 08-23-2006, 12:55 PM
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Of course North Hollywood could do the tach/other combo in the traditional green for you as well as re-indexing the tach needle to put the redline at the top.
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'08 Boxster RS60 Spyder #0099/1960
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'88 targa SOLD 2004 - gone but not forgotten
Old 08-23-2006, 01:35 PM
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Randy, if you want green gauges the best thing to do is have one of the usual suspects re-silkscreen the faces of your current gauges:

Tach-- will not work with CDI ignition as it requires a HV pulse from coil
Speed- may not read the same from a 915 as a 901
Clock- later versions are Quartz, not mechanical/battery
Oil pressure, temperature resistance changed in 1968, sender different
Fuel-- don't know whether fuel tank capacity increased to 65L?
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'66 911 #304065 Irischgruen
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'81 R65
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Ex-'88 Carrera (Sold 3/29/02)
Ex-'91 Carrera 2 Cabriolet (Sold 8/20/04)
Ex-'89 944 Turbo S (Sold 8/21/20)
Old 08-23-2006, 02:28 PM
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Thanks John - I do have a type 911 trans. tho.

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Old 08-23-2006, 03:05 PM
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