Thread: 203*F thermostat
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Old Thu, January 28th, 2010, 08:15 PM
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Default 203*F thermostat
I have seen the claims for the 203*F thermostat swap for the PSD's but I am wondering if it really makes any difference at all on the vehicle performance as everything on the PSD is dependant on Engine Oil Temp not on coolant temp so changing from 195* to 203* would not see like it should make a real difference...
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