 914 center tunnel coolant tubes, Looking for feedback on center tunnel coolant tube placement |
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| East coaster |
 Feb 17 2023, 07:55 AM
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#21
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Senior Member  Group: Members Posts: 1,857 Joined: 28-March 03 From: Millville, NJ Member No.: 487 Region Association: None 
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I removed the recess on the top of the tunnel where the factory wiring harness routes. I also removed the various brackets inside the tunnel. I’m running 1-1/4” (OD) alum pipe and they fit into tunnel. I’ll be welding flat plate with access panels (like I did in the rear of the tunnel in this photo) to fill the areas I removed and provide future access. I will be adding a secondary area on top of the tunnel for wiring and other items, and to isolate heat to lower section.
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| Aefcaf |
Feb 17 2023, 06:12 PM
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#22
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Newbie Group: Members Posts: 18 Joined: 3-May 20 From: Ohio Member No.: 24,219 Region Association: MidAtlantic Region |
I like the concept but am concerned there will be substantial heat within the tunnel. I have looked at insulating but cannot get the insulation sufficiently around the tube. thinking of cutting out the whole tunnel and adding 3 inches in height to it to properly insulate lines. yeah its work but it would look better than hacking it under the car.
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