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Old 10-13-2017, 05:07 AM
v8volvo v8volvo is offline
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Join Date: Jun 2009
Location: Montana, USA
Vehicle: '86 745, '83 764
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I haven't been able to see any noticeable impact on MPG or engine health even running the cooler tstat year round. Far from a scientific conclusion but at least it appears not to hurt. It seems like it makes temperatures more stable overall regardless of ambient temp.
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86 745 D24T/ZF 345k lifted 2.5"
83 764 D24T/M46 155k
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