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Author
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Topic: more overheating
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bbjay351
Gearhead Posts: 223
From: DeSoto, Mo Us
Registered: May 2004
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posted 07-23-2004 11:23 AM
   
Ok I've tried almost everything now except the radiator and water pump. The car is gettin way hot and making the coolant foam up I've changed head and intake gaskets and checked for cracks on the new heads. any help would be great.
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73torinoqcode
Gearhead Posts: 417
From: Buffalo,NY,USA
Registered: Jun 2003
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posted 07-23-2004 12:54 PM
If your radiator has blockage it will cause it to heat up. You can still see circulation but if the bottom half has blockage it will cause this also. Also the water pump could be going and not working the way it should. I would try these things and then see. That way everything was done.
I had a 73 Ranchero which started heating up to that point and once I changed the radiator it stopped and started running cool again. I would replace those last two components.
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bbjay351
Gearhead Posts: 223
From: DeSoto, Mo Us
Registered: May 2004
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posted 07-23-2004 01:15 PM
That's kinda the way I was thinking, I'm going to take my aluminum two core out of my 69 and try it in there, save a few bucks for the mean time, thanks for the info.....
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73torinoqcode
Gearhead Posts: 417
From: Buffalo,NY,USA
Registered: Jun 2003
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posted 07-23-2004 01:36 PM
I would definitely do that. I pulled my hair out because I seen the radiator circulating and thought it was OK. In turn I replaced a bunch of stuff not needed also but look at it this way you know everything is done now and will probably last you a good long time. Let us know how you make out.
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bbjay351
Gearhead Posts: 223
From: DeSoto, Mo Us
Registered: May 2004
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posted 07-23-2004 01:54 PM
will do thanks
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bbjay351
Gearhead Posts: 223
From: DeSoto, Mo Us
Registered: May 2004
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posted 07-23-2004 09:20 PM
Ok, the radiator didn't do it, but I did have an idea that I wanted to run by you guys. It's got BBK shorties on it, but it has a bad exhaust leak on the passenger side at the collector, could the heat coming from the leak cause the heat build up in the engine compartment. And if so would it cause it to over heat?.......My head's about to explode and I've got a rash from scratching my head.......
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wildfire466
unregistered
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posted 07-25-2004 03:05 AM
I'm coming in late here and it appears you look at all the usual stuff like thermostat and fan clutch. So let's find out if you are running the stock cat converters? You haven't posted what year you car is? If you did I may have missed it? I'm not sure but if your thinking an exhaust leak can affect the O2 sensor it might. The leak may be driving the computer to a lean mixture? Not sure? If it was lean you would have told us that so how about a little more info on drieability. How long do you drive before you get hot? Have you checked your engine heat with a temp gun vs gauge reading? What spark plugs are you using? What timing is your engine set at? What is your fuel pump pressure?Well check this stuff out and post more info pls  Les ------------------
http://www.geocities.com/wildfire1mustang/
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capri man
Gearhead Posts: 7221
From: doerun, ga.
Registered: Nov 2000
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posted 07-25-2004 09:05 AM
you do have the correct rotation water pump on it, right??------------------
mike r
racing is real
everything else is just a game.
81 capri-302-7.33 @92mph 1/8
1.54 60 ft. http://www.angelfire.com/ny5/billswebsite/pg06.html
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bbjay351
Gearhead Posts: 223
From: DeSoto, Mo Us
Registered: May 2004
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posted 07-27-2004 02:39 PM
Yeah I guess that could help huh....
It's an 89 with a 69 306 ci motor. It's got a hydraulic flat tappit cam with 543" lift and 292 Degrees of duration. We put the Efi on it with the reverse flow water pump like it needed, it's got the right firing order on it. I flushed the radiator and the pump seems to have no leaks or anything. It doesn't get hot until it's warm and you get into traffic or it's just hot outside. we do have an electric fan on it, and kinda wondered about the clutch fan but didn't know..
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wildfire466
unregistered
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posted 07-28-2004 01:11 AM
Clutch fan? They are directional as well. Got the right one?On a different note: Funny you won't believe how many people put the fan on backwards. The car I checked was running and what caught me by susprize was my pants legs were flaping. Humm fan pointed in the wrong direction. See ya! sorry we couldn't get a fix right away.
Les ------------------
http://www.geocities.com/wildfire1mustang/
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bbjay351
Gearhead Posts: 223
From: DeSoto, Mo Us
Registered: May 2004
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posted 07-28-2004 04:27 PM
Well, I don't have a clutch fan in it right now. IT's my buddies car and he couldn't afford the blades so we put an 18" electric auto zone fan.
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cpmaverick
Gearhead Posts: 1666
From: Santa Clarita, CA
Registered: Jan 2000
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posted 07-28-2004 06:24 PM
Did you use the late model front cover?------------------
-Charlie Ping
1970 Maverick Grabber
[email protected] with AC and overdrive.
http://www.maverickgrabber.com
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Daniel Jones
Gearhead Posts: 872
From: St. Louis, MO
Registered: Aug 99
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posted 07-28-2004 07:49 PM
Does it run cool while when you are running at highway speeds or does it heat up only around town? Is the fan turning the proper direction? Is the thermostat working? Does the coolant foam up when it's cool or only when hot? Dan Jones
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mvendl
Gearhead Posts: 181
From: Lowell, IN, USA
Registered: Oct 2000
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posted 07-30-2004 11:01 AM
Hi,I've got the same problem.. Mine is a '90 LX convertible 5.0...
It would overheat constantly to the point of my being afraid the heads would warp or something. In any case, i've taken the heads off and see no problems with the gaskets. I'm gonna get the radiator professionally flushed and cleaned.
Here's my questions: I've got a stock engine and put a new water-pump on it.. I'm afraid that this new pump is a reverse flow or something.. how do I tell? Anyone got any pictures of the impeller on the pump and which way is the "right" way for it to turn?
thanks,
--mark
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bbjay351
Gearhead Posts: 223
From: DeSoto, Mo Us
Registered: May 2004
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posted 07-30-2004 09:22 PM
Well we used the same pump on his old 5.0 HO and still have the serpentine belt set up but I'm starting to think that it is just needing the clutch fan back on it and take that old p.o.s electric fan off. I'm getting ready to do the exhaust this weekend on it and see if i can get a fan for it. I'll keep you all updated on it. Thanks for all the help, very much appriciated
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cpmaverick
Gearhead Posts: 1666
From: Santa Clarita, CA
Registered: Jan 2000
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posted 07-31-2004 06:57 PM
quote:
Originally posted by cpmaverick:
Did you use the late model front cover?
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bbjay351
Gearhead Posts: 223
From: DeSoto, Mo Us
Registered: May 2004
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posted 08-06-2004 06:13 PM
Yes it is the late model front cover. the only thing we really used for the new motor was the short block.
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