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1st Gen Durango 1998 - 2003 Durango's

Which radiator ?

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Old 04-05-2011, 05:01 PM
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neilb neilb is offline
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Default Which radiator ?

Me again, well time for a new radiator, just replaced the front hubs, now rad it blew on me, I had to roll up and laugh about it. This is after shelling out for a front diff also, all this in the space of 3 months or so, looks like I am trying to catch up on the last owners neglect.
So, may seem like a dumb ? but which rad do I order ?, this is a 2003 5.9 slt +, with heavy duty cooling and auxiliary trans cooler, the radiator looks to only have a single core, and the tranny cooler looks to be bolted to it , but everything I read points to a dual core. What do I buy, I would have liked to post pics but my camera took a dump.
Running now with stop leak in, so I know I will have to do a major flush, will also replace the cap and thermostat, hoses are fine.
Also, which thermostat would be best, I live in S,Florida, and I never do any towing, thanks, Neil.
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Old 04-05-2011, 11:00 PM
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The OEM radiator is actually a 2 row (core) radiator. Consitering you know you have the external trans cooler style just pick up the OEM style as you indicated in your post. It's about $220 at your local parts store or on line.

The OEM is actually a 2 row, aluminum, with plastic caps. They will work fine for what you shoud throw at it.
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Old 04-06-2011, 12:54 AM
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Thanks.
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Old 04-06-2011, 10:42 AM
Evon Trizmo Evon Trizmo is offline
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As for the thermostat, either get a 195 or 180 degree, nothing else. A lot of people say 180 is better, but personally I replaced with a 195 and it's running as cool as I ever need it. A warmer engine will get you slightly better MPGs too.
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Old 04-06-2011, 08:20 PM
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I would do the 180 on the 5.2L, 5.9L, and get a Dealership T-stat (195) for the 4.7L.
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Old 04-06-2011, 08:25 PM
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Quote:
Originally Posted by Evon Trizmo View Post
A warmer engine will get you slightly better MPGs too.
Personally on mine, I got about the same MPGs when I replaced mine with a 180* T-stat. If anything I gained 1 or 2 on the highway or when I make long distance trips.

I can agree though either 180* or 195*. Personally I believe the 160* that is available is just too low and can cause problems in the future.
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Old 04-06-2011, 08:34 PM
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The stock is 195, when I replaced mine to another 195 though my temp dropped about 20 degrees from before to around 190 now so if yours is pretty gunked up you'll notice a big difference.
Either way I don't see 15 degrees being a big difference in engine temp, it just depends on what kind of load you put on your engine. I do agree fully on the 4.7 working better with a 180 t-stat because that engine is just about maxed out on squeezing all the power you can get from it so it usually runs on high loads and creats a lot of heat.
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Old 04-06-2011, 10:50 PM
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nope evon, your wrong, the 4.7 runs best w/ the stock design 195 stat, it has a weep hole which is necessary for correct function, on the 5.2 and 5.9 which were designed way back when, the 180 runs better
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Old 04-07-2011, 01:31 AM
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Ah I see, I was just trying to make sense of what hydra said above.
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Old 04-07-2011, 09:18 AM
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yea you got backwards tho, should lay off the booze, or read more carefully.
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Old 04-07-2011, 09:18 AM
 
 
 
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