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1950 Desoto-correct radiator cap pressure


Guest mlangbauer

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Guest mlangbauer

What is the correct radiator cap pressure to run on my 50 Desoto? I bought one from a local parts store that is 4lbs but not sure if that is the correct one or not.

Thanks in advance,

Matt

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Your car should be run at as low of pressure as you can . Especially if you have the original honey comb radiator. I run mine at zero to save the cores on all my 40's Mopars.

In 1950 or 51 was the 1st year of pressure @ 4 lbs for your car though.

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Guest mlangbauer
Your car should be run at as low of pressure as you can . Especially if you have the original honey comb radiator. I run mine at zero to save the cores on all my 40's Mopars.

In 1950 or 51 was the 1st year of pressure @ 4 lbs for your car though.

Thank you, just what I needed. I replaced the water pump, thermostat, all hoses and flushed the radiator. At idle and warm it is just over to the right of "mid". I haven't driven it in any kind of heat yet but want to make sure I have everything sorted out before the heat is on.

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