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Old 04-11-2013, 05:14 PM
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RAM EM RAM EM is offline
Dodge Ram Forum Senior Member
Join Date: Aug 2012
Location: Florida
Age: 44
Posts: 938
Gender: Male
Vehicle: 2012 Hemi express quad
Trim Level: ST express
Color: Grey
Engine: 2009-20?? 345ci (5.7L) Hemi V8 390hp 407lb/ft
Rep Power: 4
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With the 180 tstat and fan set @ 190 I maintain temps between 179-188 in any conditions in Florida. The 190 setting was recommended by my tuner. It works perfectly, and it only comes on occasionally or when AC is on. You could set it higher, but your temps might vary to a greater degree, and run hotter a low speeds/in traffic.
I just re-read you op. Without a mech fan you definitely want to set the efan @ 190. You don't want the temps to rise into the 200s, and then depend on the efan to get it back down by itself.

-DS Trinity- Hemifever tuned - 18" Magnaflow - BT catch can - 180 Tstat - 22" SRT10's - 305/45 Nitto 420 - SG 2/4 drop - blacked out heads/tinted tails - dechromed/debadged - 20% tint-

Last edited by RAM EM; 04-11-2013 at 05:19 PM.
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