Quote:
Originally Posted by TejasRunner01
Hey everyone,
I’m looking into adding an AC condenser fan to my 08 V8. I recently had the AC rebuilt with Denso parts, and it is decently cool but it leaves much to be desired during slow movement/traffic in this Texas heat. I took it back to the shop to have them hook up to their snap on AC machine, and no refrigerant needed to be added so no leaks after a month (a relief). Also within the past 1000 miles I installed an Aisin fan clutch so I know the fan clutch is pushing good air through.
I am interested to hear if any of you have added a GX470 AC condenser fan like they come with from the factory or an equivalent AC condenser fan. Your long term results and opinion would be super helpful.
Thanks!
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From a thermodynamic perspective: heat is added to the system in the evaporator (heat added to the refrigerant is heat removed from the ambient air so it feels like cooling) and the refrigerant to changes from liquid to gas, and in the condenser heat is removed from the system which causes the refrigerant to change from gas to liquid.
At steady state, the heat flux removed at the condenser would be equal to the heat added at the evaporator. So theoretically, adding a fan to increase the heat transfer at the condenser would result in lower temperatures at the evaporator.
Another thing you could do would be to insulate the plastic ducting. While plastic is generally an okayish heat insulator, I'd assume theres some loss there too. Those babies are pretty long, which leaves a lot of area for convective heat gain into the system. While it still would be outputting cold into the cabin, it would lower your final temperature at the vents. If you're really going for efficiency, then some foam and foil pipe tape insulation could probably make your air a little crispier