Re: {Chrysler 300} Temperature

Cooling system 101 - Our cars were originally equipped with 180 degree thermostats. This means that the thermostat will begin to open and circulate engine coolant at 180 degrees. Actual operating temperature will go higher. According to the service manual, non A/C cars were equipped with 14 pound radiator caps and A/C cars were equipped with 16 pound radiator caps. Pressurizing the cooling system raises the boiling temperature of the coolant. A 14 pound cap raises the boiling point to 238 degrees. A 16 pound cap raises the boiling point to 260 degrees. Given the cap pressures selected by the factory, they anticipated non A/C cars to run 220-230 degrees with normal driving. They anticipated A/C cars would run 240-250 degrees. These coolant temperatures should be considered normal and will not have a detrimental effect on the engine.

Chris the K MANIAC

-----Original Message-----
From: D.C. Mason <petergriffinforpresident@xxxxxxxxx>
To: chrysler-300-club-international@xxxxxxxxxxxxxxxx
Sent: Thu, Apr 14, 2022 7:37 pm
Subject: {Chrysler 300} Temperature

Hello group,

Interrogative for those who can answer-

What is the max temp on a hot day our engines should get to? I am imagining aiming an infrared temp sensor at the thermostat housing. For both our 62 (383) and 64 (361), I will see up to about 208 degrees F. Guessing that’s approaching the limit…

Thanks,

dave & Kya

Sent from my iPhone

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