I have a Volvo fan in mine. Don't remember which model I got it from. It does great with the A/C on. Pulling the trailer with the A/C on at 75 mph the temp goes up, so now either slow down or cut the air off. I need to seal the rad to the support and get an air dam under the core support maybe that will help some.
The relays are very nice. I was going to use them for the Tbird fan but was not sure about the load so I just used the Volvo fan.
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