why is my 1966 tbird running hot

Asked by May 17, 2012 at 05:38 PM about the 1966 Ford Thunderbird

Question type: Maintenance & Repair

8 Answers

335

Could be your thermostat.

6,315

There are many things that can make an engine run hot, the most logical reasons would be a plugged up radiator, a bad clutch on the fanblade, a stuck thermostat or even a low anti-freeze level or even just water and no anti-freeze will make it run hot too. Ignition timing could also be a factor but I would check the radiator first and go from there. Good Luck, Kenny.

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335

Can you tell me why does mine stay in cold and when the temp needle reaches the middle which is when it's really hot out or some times when I'm just sitting in a drive thru it starts to sputter or some times cut its self off or like its going to shut off?

335

On and she's a 93

335

302 5.0

4,925

I would agree with myblueoval. His suggestions are right on the money. Rod out radiator, check thermostat, check timing, I use a 50/50% anti-freeze mix. This gives the best protection against freezing AND overheating. Today, anti-freeze is for more than winter protection.

Recore or replace your rad. My 76 engine light always came on over 60 mph. Recored and never a problem. Probably cheaper for you to replace rad.

1,505

1. thermostat; 2. radiator, 3 Water-pump, 4 Fan Clutch

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