| I used to think the same way , 160 just less stress on everything , then read that the higher temp evaporates water and contaminants a whole lot better out the vent system . While on that, PCV is an excellent upgrade if you don’t have . Hot heads sells a kit , I think california had it oem factory . Grommet fits in hemi draft tube hole , probably other valley covers too
-- It adds nothing to “ max cooling capacity “to run colder thermostat as once open it is always the radiator condition setting that no matter the thermostat . .. it is open To keep engine , oil and interior rust free ,and condensation out , higher temps work much better . Especially if PCV exchanges air . Draft tube = a lot more sludge in long run . But 195 might lead to a constant low positive pressure in cooling system ( normal with that 195 thermostat , as water may boil locally at hot spots inside) , but condenses nearby into water again , no steam at radiator but some pressure can show inside . Why if you fill radiators to top it will puke out a pint or more then be stable . Radiator cap psi is another big issue in this . High temp may need 12-15 psi cap . Sounds like middle of road is best but 195 is even better for engine if all is in perfectly good shape Heater core and especially that ranco heater valve is a good reason to not go 195 . I don’t know about my other club members but that valve stem seal failed twice on me in past it blows a gallon of hot antifreeze all over your front rugs from behind glove box. I don’t really need that . To me the thing is a sad joke anyway . on some cars I have used 78 dodge truck on off valve in hose ( used in many mopars) same push wire . Drill hole for it . That puts the valve under the hood , gives you heat instantly when you want it . Block off holes where ranco was , plate from inside . I know “ original” and all that . Brings “ original “ problems too ! Sent from my iPhone On Feb 3, 2024, at 6:12 PM, 'Charlie V' via Chrysler 300 Club International <chrysler-300-club-international@xxxxxxxxxxxxxxxx> wrote:
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