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The AC tube you are referring to is from the compressor to the condenser and carries compressed refrigerant which will be hot, maybe hotter than your coolant lines if the AC system is working hard. I ran mine like ZR1 has shown, on the opposite side of the stock vacuum line. I don’t think you need to worry about coolant line heat if you keep a few inches of separation. Now as for the return line that runs from the condenser to your evaporator in the cockpit, I would suggest you keep that away from heat sources, but a few inches of separation should suffice there as well.

Best,
K
quote:
Originally posted by Panterror:
The AC tube you are referring to is from the compressor to the condenser and carries compressed refrigerant which will be hot, maybe hotter than your coolant lines if the AC system is working hard. I ran mine like ZR1 has shown, on the opposite side of the stock vacuum line. I don’t think you need to worry about coolant line heat if you keep a few inches of separation. Now as for the return line that runs from the condenser to your evaporator in the cockpit, I would suggest you keep that away from heat sources, but a few inches of separation should suffice there as well.

Best,
K


I ran both of my A/C lines along the inside of the right front fender. The underside of the car was not an option for my car because the oil cooler lines are there.
There is a an opening in the upper frame rail in the fender well and that same frame rail has another opening in the interior above the fuse box. Yes, that has been a source of heated fresh air in the passenger compartment all these years. I run the smaller diameter and more flexible Aeroquip AC line that I use through there.

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