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Air conditioning piping runs

I have a question. I have been struggling with the AC pipe reconnection from the compressor to the cab on 6997. It seems plain there is something funny , but not amusing, with the way its set up .

The standard layout clearly shows the piping runs going up though the center of the car, next to the heater hoses. On 6997 these have been routed through the RHS sill. A very tight fit and makes the congestion above the pedal area quite extreme.

The questions are :

Have these pipes been run in the wrong place?

If so, where is the correct exit and entry for the AC pipes in the center of the car as it is not obvious  ? How is the transit from the compressor normally done ?  I have upgraded to a rotary.

Has anyone hard piped these runs using annealed copper pipe with a insulating sleeve ?

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Images (4)
  • Std AC layout: Center location
  • pipe run 1 engine bay: Shows RH sill entry
  • pipe run 2 into cab: Shows RH sill exit
  • pipe run 3 under dash: Shows pedal crossing of pipes
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