Ezdarryl58
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- Reaction score
- 14
- Thunderbird Year
- 1964
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yes you should. i had the same problem with a 65. i drained the system and put in 2 bottles of prestone radiator flush then topped off with water drove it around for about 2hrs drained it and flushed it out a couple of times with plain water, then put fresh antifreeze in and never had another problem. you didn't mention if this was an a/c car or not. the fan on an a/c car is a clutch fan and the non a/c fan is standard without clutchMy 64 tbird is over heating cant figure out why new thermostat top and bottom hose. Now wobble in water pump or signs of leaking freeze plugs are good. Was wondering if u start motor with radiator cap off of the expansion tank should I see antifreeze circulation inside expansion tank.
Ac car thanks willyes you should. i had the same problem with a 65. i drained the system and put in 2 bottles of prestone radiator flush then topped off with water drove it around for about 2hrs drained it and flushed it out a couple of times with plain water, then put fresh antifreeze in and never had another problem. you didn't mention if this was an a/c car or not. the fan on an a/c car is a clutch fan and the non a/c fan is standard without clutch
you want to make sure the clutch is working properlyAc car thanks will
my 63 is overheating also, a/c belt is not installed, would that be a factor?you want to make sure the clutch is working properly
it gets hot after about 15 miles at highway speeds. have only driven short trips at lower speeds, idling, will test if that causes it to heat up too. anit-freeze appeared too rich when I got it. watered it down, didn't help. vac advance was not connected when they replaced the carb, connecting it helped some with overheating and a lot with how rough ti was running.When does it overheat? almost immediately sitting and running? Then thermostat in backwards. At a stop light? then check fan clutch. Driving down the freeway? Plugged or bad radiator.
New to me. hadn't been driven, just started every few months for 3 years. Car/engine is very clean, no leaks. never needed to add coolant, but some will glurg out the radiator if I open it when hot, replaced with water to get it closer to 50/50. Did drop the tank and cleaned out rust and water, replaced filter.How long have you had it on the road? Or is the car new to you? You could have a restricted/plugged radiator or a lot of dirt/dust on the fins of the core. Also blow the condenser fins off to help air flow. Does it puke water when you shut it off? Do you always have to top off the coolant? I am guessing a radiator problem, but it could also be augmented by sludge/rust in the engine water passages.
my sender definitely has issues, it goes up a bit as it warms, but stays near the cool marking no matter how hot the engine gets.Now might be a good time to use a laser type harbor freight quality temp reader to see if the engine is overheating or if the gauge is dishonest. Some of the replacement temp sender units are just WRONG!
Just as an aside I bought the 55 that is my avatar 6 months ago. Same story as yours. Gets hot quickly on the AZ days But every time I drove it, it stunk of bad gas. As I drove the bad gas out of it and fueled up with fresh gas it started to run just a bit cooler. I still have a temp issue to deal with but amazingly getting rid of the bad gas did help just a bit.
So what makes you think the engine is overheating? Coolant gushing out of a hot radiator when taking the cap off is how things are supposed to be. Agree with Critterpainer, get a laser temp gauge. Point it at the top right of the talk on top of the radiator. As long as it's no higher than 195-200 degrees F the engine is not overheating.New to me. hadn't been driven, just started every few months for 3 years. Car/engine is very clean, no leaks. never needed to add coolant, but some will glurg out the radiator if I open it when hot, replaced with water to get it closer to 50/50. Did drop the tank and cleaned out rust and water, replaced filter.
that the engine is hot, runs much rougher and have to press the peddle further to go the same speed.So what makes you think the engine is overheating? Coolant gushing out of a hot radiator when taking the cap off is how things are supposed to be. Agree with Critterpainer, get a laser temp gauge. Point it at the top right of the talk on top of the radiator. As long as it's no higher than 195-200 degrees F the engine is not overheating.
Yes, if you press on the gas and the car goes slower it is starving for gas.Sounds like your car needs some troubleshooting not related to the cooling system. A carb rebuild and a tune-up may be in order.
Not familiar with that carb, but since it's a Holley, good to make sure the power valve is correctly sized. It should be rated for half the at idle manifold vacuum. The 390 at idle should pull ~17 inches of mercury vacuum, so the power valve should be 8.5 but sometimes you have to fiddle with them. If the power valve rating is too low, the car will have a drop off of power when the gas is applied.