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Old 07-01-2012, 02:20 PM   #1
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Over heating

Can a bad upper radiator (very soft) cause an over heating issue? I have put a spring in it do it can't suck closed put it swells up big when my car is running? I thought a bad thermostat so I took it out and it still runs about 220 to 240 all the time??
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Old 07-01-2012, 05:42 PM   #2
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hmm.. i suppose. the spring inside may reduce flow.

do you have a shroud in place? also maybe a good flush of the radiator would help out.
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Old 07-01-2012, 06:42 PM   #3
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It has an electric fan and I have it wired straight right now and I'm going to try flashing the radiator tomorrow. What about a weak water pump
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Old 07-01-2012, 06:51 PM   #4
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if the water pump isnt leaking out the weep hole, or you dont hear any bearing noises i wouldnt suspect it.

this poroblem just start happening? and whatnis you timing?
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Old 07-01-2012, 06:56 PM   #5
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No it doesn't leak out of the weep hole and no noise at all and what about the timing??
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Old 07-01-2012, 06:57 PM   #6
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you can run hot with your timing not right.
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Old 07-01-2012, 07:00 PM   #7
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Quote:
Originally Posted by dreamstang
you can run hot with your timing not right.
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Old 07-01-2012, 07:02 PM   #8
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It's so weird it just started happening it still runs great. What's the best thing to flush it with radiator flush??
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Old 07-02-2012, 01:36 AM   #9
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Re: Over heating

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Originally Posted by FordRacer_51 View Post
Can a bad upper radiator (very soft) cause an over heating issue? I have put a spring in it do it can't suck closed put it swells up big when my car is running? I thought a bad thermostat so I took it out and it still runs about 220 to 240 all the time??
Replace that hose before it blows up in your face.
Do not take out the thermostat, that actually causes more problems.
Put in a new 195° "High Flow" Robert Shaw or other brand high flow thermostat.
Check between your A/C condenser and the radiator to be sure it isn't plugged up with debris.
Flush and refill your cooling system with a 50/50 mix.

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It has an electric fan and I have it wired straight right now and I'm going to try flashing the radiator tomorrow. What about a weak water pump
Maybe your electric fan does not move enough air to properly cool your engine?
Yes, water pumps can become "weak". What happens is that the impeller gets worn out from use or cavitation in the coolant. Replace it if it is old.

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No it doesn't leak out of the weep hole and no noise at all and what about the timing??
Timing retarded to far will cause your engine to heat up. Check it to be sure it is properly set.
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Old 07-02-2012, 10:01 AM   #10
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I think radiator need flushed be I had the fan on and the air coming throw on the top is hot and the air on the bottom is ice cold.
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Old 07-02-2012, 10:09 AM   #11
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Re: Over heating

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I think radiator need flushed be I had the fan on and the air coming throw on the top is hot and the air on the bottom is ice cold.
It probably does need to be flushed.
Also that's why I was saying to check between the condenser and radiator.
Debris catches in there and falls toward the bottom and can cause that too.
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Old 07-02-2012, 10:10 AM   #12
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I only took the thermostat out to see if it change anything with the temp and it didn't
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Old 07-22-2012, 05:58 PM   #13
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Ok did everything you guys said and still had the same issues. Took the water pump off today and found the problem take a look at this.

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The fins are almost gone.
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Old 07-22-2012, 06:02 PM   #14
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Ok did everything you guys said and still had the same issues. Took the water pump off today and found the problem take a look at this.

The fins are almost gone.
Thats it.
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Old 07-22-2012, 06:54 PM   #15
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Re: Over heating

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Ok did everything you guys said and still had the same issues. Took the water pump off today and found the problem take a look at this.

The fins are almost gone.
Yep, that's exactly what I said in post #9.
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Old 07-22-2012, 07:28 PM   #16
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Yep order a new one putting it on and going to run it down the track Wednesday for the first time since I swapped it to a T-5. Hope it runs ok
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Old 07-22-2012, 07:32 PM   #17
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Be prepared to spin like crazy on street tires. Js.. Roll it off the line, the track is even more slick than the road it's almost like after rain. Without slicks or drag radials it's hard to get a good bite..

---------- Post added at 07:32 PM ---------- Previous post was at 07:31 PM ----------

1/4 mile or 1/8th... What are your mods so we can take a guess at what it would run..
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Old 07-22-2012, 07:37 PM   #18
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It's a 1/4 mile and basically stock other than it under driven and it has a bbk off road H pipe. And yea it's on street tires for now and yea I was worried about launching.
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