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DakotaDriver
Dodge Dakota
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2/18/2003
14:23:25
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 Subject: Bigger Radiator Core?
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I've always had problems towing a boat with my Dakota. Out here in the west we have some "decent" climbs to get to the bigger lakes like Lake Mead, Lake Mohave or Lake Havasu. The Dakota tows our boat well on the flats but has a problem with towing it up long, steep hills such as I-40 near Needles or I-15 near Barstow. The darn thing heats up to the point where I have to baby it up the hill in second gear at 45 or less in the truck lane. The stats are: boat and trailer approximately 4500#, 4.7 liter V8. What I would do, if possible is go to a larger radiator core but haven't been successful finding one. Anybody out there know where a custom radiator may be obtained for this application
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Texas Todd
Dodge Dakota
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2/18/2003
15:01:57
|  RE: Bigger Radiator Core?
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This is NOT meant to be a dumb question, but,
Do you have the trailer towing package already?
I thought it came with a slightly HD radiator.
Do you have a 180degree t-stat?-may be a little help
HO cams would help with low end torque some.
the 'dweisher' guy who posts here apparently busted his somehow, and has a HD radiator now. Maybe he'll chime in.
Godd luck
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Deep Purple
Gen III
2/19/2003
08:06:01
| RE: Bigger Radiator Core?
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From another post on this board, a company called Performance Radiator (performanceradiator.com)can fix you up with a better radiator.
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DakotaDriver
Dodge Dakota
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2/27/2003
14:19:36
| RE: Bigger Radiator Core?
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Thanks DP.
TT - Yep, the trailer package is present.
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brandy16
Dodge Dakota
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3/12/2003
20:20:11
| RE: Bigger Radiator Core?
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This may sound to simple but have you tryed changing the thermostat. It may not be working correctly. If you have the towing pkg you already have plenty of cooling. In addition to the fan on the engine you also have an electric fan. Make sure that the electric fan is coming on when its needed. There is a sensor for the electric fan make sure its working. Hope this helps.
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slopehead
Dodge Dakota
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3/23/2003
10:42:36
| RE: Bigger Radiator Core?
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something else that may help, I saw an article recently that said some brands of thermo stats flow more water then others wide opened up. Might be worth checking out
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walter
Dodge Dakota
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11/06/2003
10:18:03
|  RE: Bigger Radiator Core?
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Can anyone please tell me why the heater hose on my sons 95 chevy impala continues to burst. also the seam in the radiator has burst. the radiator has been replaced with out further problem but the heater hoses continue to bust?
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slopehead
Dodge Dakota
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11/09/2003
10:34:53
| RE: Bigger Radiator Core?
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most likely the radiator cap does not release pressure like it should when the thing heats up all the way and, due to the age of the car most likely the system needs to be maintained a bit as in the water pump might not be as efficiant as it used to be etc. The compination sets up for high temps reselting in high presure that needs/wants to be released and does so at the expense of a hose or the seam on the radiator. Replace the radiator as most likely it has other seams about to burst along with ALL the hoses, and get a new lower pressure cap then the one you have. A lot of times due to high mineral content in the water the impeller vanes in the water pump become worn, causing the water pump to not pump nearly as well as it did when new, also an aging cooling system that developes rust in it will also cause this to happen, so replace the water pump, and put in a new thermo stat, they usually cost under 10 bucks and is cheep insurance against overheating. Sometimes a bad head gasket or intake manifold gasket can cause overheating/over pressure bursting of hoses too. And as long as you have the thing tore apart get the block flushed for mineral deposits and rust that build up over time.
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Dave Mitchell
Dodge Dakota
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11/20/2003
13:43:51
| RE: Bigger Radiator Core?
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Perhaps I am mistaken. I have an '01 w/4.7L and HD service group and towing package.
With the manual transmission, all you got for HD cooling is the addition of the power steering cooler.
I think the automatic came with the transmission cooler when HD service and/or cooling was ordered.
I do not believe the radiator is any different, at least in the '01's, and all that year came with the electric fan.
The radiator in mine looks like a single or at best dual row radiator. It would be nice to have a triple row in there.
The service manual states that the '01 4.7L thermostats allow 50% coolant flow to pass when CLOSED. I found that very interesting.
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