What works for me is a 75 degree Wahler thermostat from a mid-70's 450SL.

That will take 5 to 10 degrees off your running temperature.

If you live in the north, you might need to go back to a normal thermostat for the winter in order to get enough cabin heat.

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Palangi

2004 C240 Wagon 203.261 Baby Benz
2008 ML320 CDI Highway Cruiser
2006 Toyota Prius, Saving the Planet @ 48 mpg
2000 F-150, Destroying the Planet @ 20 mpg



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