daul fluid cooler configuration

Joined
Apr 27, 2010
I did the F-Body radiator swap and decided on a derale 15200 dual fluid cooler with fan, and a derale 15721 to control the fan. I'm ready to get the lines made and was wondering if I should put the fan thermostat in the oil cooler inlet or transmission cooler inlet. It cuts the fan on at 180 and off at 170. since the cooler makes both fluids share the same fan. which fluid should be cooled first. Thanks
 
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