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Author
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Topic: Overheating!
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aGreenAgent
Journeyman Posts: 62
From: Orange County, CA
Registered: Oct 2002
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posted 01-27-2003 07:01 PM
  
I posted a little while ago that my car exploded (it was just radiator fluid flying) in a drive through, and it seems pretty unanimous that it was the thermostat (since we ruled out blown head gasket). But I went back there today, and I had the same problem. The engine temp. gauge went past the highest point and it started to do the same thing but I shut it off before it did what it did last time. I'm thinking that I might need a better radiator, because it only does this when my car idles for 20-25 minutes in the hot sun (there's a LONG line at this drive-thru). As soon as I got out of there I hit the freeway and I could literally watch my temp gauge go down. Any suggestions?
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Trailer_Trash
Gearhead Posts: 130
From:
Registered: Jan 2003
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posted 01-27-2003 07:06 PM
your fan might be inadiquate (sound it out, i dont know how to spell) or not working at all  i just learned a new trick today: to check if your fan is working, pop the hood (leave the car running) and turn your a/c on. if the fan isn't turning, somethin's wrong 
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aGreenAgent
Journeyman Posts: 62
From: Orange County, CA
Registered: Oct 2002
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posted 01-27-2003 07:08 PM
I don't have a/c
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Trailer_Trash
Gearhead Posts: 130
From:
Registered: Jan 2003
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posted 01-27-2003 07:12 PM
oh. oops  loldid you make any engine mods (bore) to make it run hotter, but not change rad or fan?
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Trailer_Trash
Gearhead Posts: 130
From:
Registered: Jan 2003
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posted 01-27-2003 07:15 PM
even simpler, your engine might just need a cooling system flush if all else fails, go buy a really big @$$ hood scoop 
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indyphil
Gearhead Posts: 324
From: Lafayette, IN, USA
Registered: Jul 2002
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posted 01-27-2003 07:24 PM
Firstly, im jelous that you can make your car run hot. Id be lucky to here, it got down to -15 last night.Since it seems you dont overheat when moving it does seem like a fan/airflow related issue. check that it turns, but also see how far away it is from the radiator. Mine was over 2 inches away, i used a fan spacer and the temp went way down in traffic. A shroud will also help. Check your timing and carb mixture too, if those are out of adjustment it can make for a hot idle.
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Fastymz
Moderator Posts: 8189
From: Reno Nv USA MEM#1240
Registered: Apr 2001
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posted 01-27-2003 07:27 PM
Tell us agian what type of rad,and fan your using.------------------
SCOOP
oddly obsessed with big scoops on little Mustangs 2.26 60'S
14.9 @ 90.86MPH 65 coupe,351w,C4,Big Boss 429 hood scoop,8"3.40 TracLoc,Cragar SS,Black Suede. https://mustangsandmore.com/ubb/Fastymz.html
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fastford34
Gearhead Posts: 199
From: penna
Registered: May 2002
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posted 01-27-2003 08:19 PM
sounds like an air flow problem. do you have a fan shroud? they really help. also a good t-stat and a fan that pulls a lot of air at idle speed.
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mustangs68
Moderator Posts: 16330
From: Hampton,Virginia,USA MCA#39406 M&M #12
Registered: May 99
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posted 01-27-2003 08:33 PM
I would overheat if I had to wait on anything that long Drive thurs are a OPEC invention to get us to use more gas
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rockafellz
Gearhead Posts: 733
From: San Lorenzo, CA, USA
Registered: Aug 2001
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posted 01-27-2003 08:54 PM
A few questions...1. Has it always been overheating? What was the history?
2. Any changes made to the car that caused it to overheat?
3. What temperature thermostat did you install? Did you install it correctly? Erik ------------------
1966 Ford Mustang 2+2
Mine - Restomod in Progress 1966 Ford Mustang Coupe
Dad's - Original Unrestored
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mstngjoe
Journeyman Posts: 64
From: Oregon
Registered: Aug 2002
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posted 01-28-2003 07:23 AM
To add to Rocks list:4. Did you check the t-stat before installing it. I always drop a new one in a pan of water on the stove. Heat up the water and watch to see it opens. ------------------
My Mustang
My next engine
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Mpcoluv
Gearhead Posts: 716
From: Charlotte NC usa
Registered: Apr 2001
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posted 01-28-2003 09:17 AM
quote:
Originally posted by Trailer_Trash:
if all else fails, go buy a really big @$$ hood scoop
Actually, the scoop really works!!
When my '69 still had a 302 and a tiny radiator, it would edge towards thd hot side in traffic.
Once I installed the Boss 429 scoop, it ran a lot cooler in traffic, because the heat could escape via the giant hole in the hood......
Once I did the Cleveland swap, and used a 428CJ (with air) radiator, it never gets hot.....
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Pierre
Gearhead Posts: 336
From: France
Registered: Apr 2002
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posted 01-28-2003 10:07 AM
quote:
Originally posted by aGreenAgent:
I posted a little while ago that my car exploded (it was just radiator fluid flying) in a drive through, and it seems pretty unanimous that it was the thermostat (since we ruled out blown head gasket). But I went back there today, and I had the same problem. The engine temp. gauge went past the highest point and it started to do the same thing but I shut it off before it did what it did last time. I'm thinking that I might need a better radiator, because it only does this when my car idles for 20-25 minutes in the hot sun (there's a LONG line at this drive-thru). As soon as I got out of there I hit the freeway and I could literally watch my temp gauge go down. Any suggestions?
May be your car is trying to tell you that it doesn't like ketchup stains & food crumbs  Seriously, check this great Rad+fan combo from HotRod air:
http://www.hotrodair.com/pg21a.cfm
They sell the fan separately
I used to get close to overheat in the summer and now my needle never exceeds 25% of the gauge (190?F) by 100+?F outside!!
http://www.hotrodair.com/pg21a.cfm
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aGreenAgent
Journeyman Posts: 62
From: Orange County, CA
Registered: Oct 2002
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posted 01-29-2003 12:45 AM
Wow, thanks for all the help so far. Now to answer questions. Yes, I did test the new thermostat in boiling water, and when I removed the old one I tested it too and it worked also. It's a 160 degree thermostat. I have not made any changes to the car recently. This is the only place it's ever overheated, most likely becasue it's the only place I've ever idled it for more than a stoplight or two. The engine is all stock, everything original, so that will answer any parts/setup questions. And I don't spill ketchup in my car!
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aGreenAgent
Journeyman Posts: 62
From: Orange County, CA
Registered: Oct 2002
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posted 01-29-2003 12:47 AM
Oh, and it's a I6 ------------------
66' Coupe
Candy Apple Red/Vinyl Top
200CI I-6
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Trailer_Trash
Gearhead Posts: 130
From:
Registered: Jan 2003
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posted 01-29-2003 07:13 AM
if everything is stock, your engine must be telling you that it needs a cooling system flush.
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RonnieT
Gearhead Posts: 456
From: Port Allen, La. 70767
Registered: Jun 99
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posted 01-29-2003 03:02 PM
I would have to agree with the radiator flushing, and possibly having the radiator rodded out. If cleaning the cooling systems doesn't solve the problem you could be running a little lean at idle, or running to much ignition advance, causing high cylinder temps. Just something else to check.------------------
Ronnie
69 mach1 351W-4V engineless at the time!
70 Torino GT 351C-4v with a "shaker"
Mustangs and More Member #23
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Trailer_Trash
Gearhead Posts: 130
From:
Registered: Jan 2003
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posted 01-29-2003 06:25 PM
quote:
Originally posted by RonnieT:
I would have to agree with the radiator flushing, and possibly having the radiator rodded out.
flush the entire cooling system. when you replaced your thermostat, did you look inside the passage to see if the cooling system was all gunky and possibly rusty? [This message has been edited by Trailer_Trash (edited 01-29-2003).]
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Moneymaker
Administrator Posts: 17471
From: Lyons, IL, USA
Registered: May 99
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posted 01-29-2003 06:35 PM
Thermometer?  ------------------
Alex Denysenko
Co-Administrator and Moderator NHRA/IHRA/SRA member and licensed Superstock driver
MCA member# 53321
NHRA and IHRA SS/LA National Record Holder '00,'01,'02,&'03
Fleet of FoMoCo products including 88 ASC McLaren Mustang #28
Professional Manwhore
The Barry of BarrysGrrl Quote #1: "I never met a magazine mechanic I liked."
Quote #2: "Make sure brain is in gear before engaging mouth!"
Quote #3: "If you can't run with the big dogs, stay on the porch!"
www.moneymakerracing.com
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aGreenAgent
Journeyman Posts: 62
From: Orange County, CA
Registered: Oct 2002
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posted 01-29-2003 09:12 PM
quote:
Originally posted by Trailer_Trash:
flush the entire cooling system. when you replaced your thermostat, did you look inside the passage to see if the cooling system was all gunky and possibly rusty?
Yeah, everything looked fine in there. I'm also reading that a too-high concentration of antifreeze can make it run hot also. I sorta eyeballed it before, I should make sure when I flush it.
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mustangs68
Moderator Posts: 16330
From: Hampton,Virginia,USA MCA#39406 M&M #12
Registered: May 99
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posted 01-29-2003 09:21 PM
Sitting at a drive thur 4 feet or less off another cars bumper for 20 mins your not pulling any air thur the Rad..odds are it will overheat sooner or later..One question you didn't answert is:
do you have a fan shroud?<.i>
sam
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kid vishus
Gearhead Posts: 3689
From: middle of NC
Registered: Oct 2000
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posted 01-29-2003 10:04 PM
20 minutes at a drive thru? Wow. You have more patience than I do. It would probably be quicker to park, go in and get it "to go".  I used to do that at certain fast food places during my lunch break. It was quicker that way than sitting in line at the drive thru.
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aGreenAgent
Journeyman Posts: 62
From: Orange County, CA
Registered: Oct 2002
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posted 01-31-2003 01:35 AM
quote:
Originally posted by mustangs68:
One question you didn't answert is:
do you have a fan shroud?<.i>
sam
Did they come stock? If so then yes, otherwise no. I don't really know what that is.
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aGreenAgent
Journeyman Posts: 62
From: Orange County, CA
Registered: Oct 2002
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posted 01-31-2003 06:31 PM
quote:
Originally posted by kid vishus:
20 minutes at a drive thru? Wow. You have more patience than I do. It would probably be quicker to park, go in and get it "to go". I used to do that at certain fast food places during my lunch break. It was quicker that way than sitting in line at the drive thru.
And no, it's longer to go inside. This happens to be a very very popular place.
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Fastymz
Moderator Posts: 8189
From: Reno Nv USA MEM#1240
Registered: Apr 2001
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posted 01-31-2003 07:58 PM
Would it be an IN-&-OUT burgers. ------------------
SCOOP
oddly obsessed with big scoops on little Mustangs 2.26 60'S
14.9 @ 90.86MPH 65 coupe,351w,C4,Big Boss 429 hood scoop,8"3.40 TracLoc,Cragar SS,Black Suede. https://mustangsandmore.com/ubb/Fastymz.html
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aGreenAgent
Journeyman Posts: 62
From: Orange County, CA
Registered: Oct 2002
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posted 02-01-2003 02:26 AM
Why yes, it would be.
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V8 Thumper
Gearhead Posts: 2692
From: Orange, Ca. United States of America
Registered: Dec 2001
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posted 02-01-2003 08:44 AM
Mmmmmmmmmm, double-double ------------------
1965 GT coupe, 333ci aluminum headed/solid cammed stroker, four speed, 3.70:1 9" All Blue Oval, no blue bottle
http://mustangsandmore.50megs.com/V8Thumper.html
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mustangs68
Moderator Posts: 16330
From: Hampton,Virginia,USA MCA#39406 M&M #12
Registered: May 99
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posted 02-01-2003 12:07 PM
A fan Shroud attaches to the RAD and the Fan sits somewhat inside of it..It help to center the air pulled thur the RAD.
Yes a 200 will have one and I will get a link to one to show you what it looks like.Man ain't no food worth that long await..sorry but foods food and it's only going on direction after you eat it Here's a link to Metro Mustang..1st one on the search engine I used.
http://www.metropartsmarket.com/catalog/image_classicmustang_c7_1060.html [This message has been edited by mustangs68 (edited 02-01-2003).]
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aGreenAgent
Journeyman Posts: 62
From: Orange County, CA
Registered: Oct 2002
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posted 02-01-2003 12:58 PM
And yes, it's usually worth the wait, ask Thumper, he lives near me somewhere and can vouch for the food. And no, I don't have a fan shroud. Interesting. It's probably worth investing in one then isn't it?
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V8 Thumper
Gearhead Posts: 2692
From: Orange, Ca. United States of America
Registered: Dec 2001
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posted 02-01-2003 02:23 PM
quote:
Originally posted by aGreenAgent:
It's probably worth investing in one then isn't it?
YES!!! The best $35 you can spend on your cooling system. http://www.mustangsplus.com/Merchant2/merchant.mv?Screen=PROD&Store_Code=MPFMP&Product_Code=02447&Category_Code=shrouds ------------------
1965 GT coupe, 333ci aluminum headed/solid cammed stroker, four speed, 3.70:1 9" All Blue Oval, no blue bottle
http://mustangsandmore.50megs.com/V8Thumper.html
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Fastymz
Moderator Posts: 8189
From: Reno Nv USA MEM#1240
Registered: Apr 2001
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posted 02-01-2003 03:06 PM
quote:
Originally posted by aGreenAgent:
Why yes, it would be.
In that case it's worth the wait.
We always go to the one on Rosemead blvd.It's one of the org one's real small place,way to busy at lunch time. ------------------
SCOOP
oddly obsessed with big scoops on little Mustangs 2.26 60'S
14.9 @ 90.86MPH 65 coupe,351w,C4,Big Boss 429 hood scoop,8"3.40 TracLoc,Cragar SS,Black Suede. https://mustangsandmore.com/ubb/Fastymz.html
[This message has been edited by Fastymz (edited 02-01-2003).]
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kid vishus
Gearhead Posts: 3689
From: middle of NC
Registered: Oct 2000
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posted 02-01-2003 03:56 PM
quote:
Originally posted by Fastymz:
In that case it's worth the wait.
That's a matter of opinion. I don't think there is ANY "fast food" worth waiting that long for, especially in a drive thru.
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SteveLaRiviere
Administrator Posts: 29373
From: Saco, Maine
Registered: May 99
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posted 02-01-2003 04:29 PM
I'm not a waiter, either. I tried In-and-Out burgers before, I didn't see what all the fuss was about.  ------------------
'70 Mustang Mach 1 - '72 Mustang Sprint - '94 F-150 Please remember our sponsors,
Mustangs Plus, NPD, Osborn Reproductions, MyFordPerformance.com, and FordRamAir.com
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aGreenAgent
Journeyman Posts: 62
From: Orange County, CA
Registered: Oct 2002
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posted 02-01-2003 06:10 PM
quote:
Originally posted by SteveLaRiviere:
I'm not a waiter, either. I tried In-and-Out burgers before, I didn't see what all the fuss was about.
Yeah, I'd just as soon have Burger King or something, but In and Out is cheaper and my friends prefer it so whatever
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Fastymz
Moderator Posts: 8189
From: Reno Nv USA MEM#1240
Registered: Apr 2001
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posted 02-01-2003 06:16 PM
quote:
Originally posted by kid vishus:
[B]
That's a matter of opinion.B]
So is everything else in life.
------------------
SCOOP
oddly obsessed with big scoops on little Mustangs 2.26 60'S
14.9 @ 90.86MPH 65 coupe,351w,C4,Big Boss 429 hood scoop,8"3.40 TracLoc,Cragar SS,Black Suede. https://mustangsandmore.com/ubb/Fastymz.html
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Trailer_Trash
Gearhead Posts: 130
From:
Registered: Jan 2003
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posted 02-02-2003 04:36 PM
you flush your cooling system yet?
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aGreenAgent
Journeyman Posts: 62
From: Orange County, CA
Registered: Oct 2002
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posted 02-02-2003 11:24 PM
No not yet. As high school student, I've had much work this weekend. I'll be doing it tuesday.
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