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Mechanical Temp Gauge

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Old Apr 16, 2008 | 08:52 PM
  #1  
89BlackBeauty's Avatar
89BlackBeauty
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From: Raleigh, NC
Mechanical Temp Gauge

At the urging of the members here - I am installing a mechanical temp gauge. Finding a spot that is visible to the driver was fun - brake controller, cd player, Pyrometer, etc. But..

How do you install the line through the firewall - drill a hole?? Or is there an existing hole I should be able to use. I need at least a 5/8 hole to get the nut through. Also - what should I fill the hole with - fire caulk, silicon, etc?

Thanks,

----------------------------------
89 F-350 Crew Cab, dually, long bed, 7.3 IDI with Hypermax Turbo and 5 spd Tranny.
 
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Old Apr 16, 2008 | 10:31 PM
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Breech
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From: Denair, CA
If you wind up drilling a hole I'd use a rubber grommet. You should be able to get one from just about any auto parts store.
 
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Old Apr 17, 2008 | 01:01 AM
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Happyreefer
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From: San Diego, CA/ Yuma, AZ
I routed all mine through an existing firewall hole. Found it just above the brake pedal.

Pyrometer
Turbo Pressure
Trans Temp
Water Temp

all through same hole
 
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