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Old 06-25-2014, 02:33 AM   #1
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Radiator Upgrade

My 1999 6cl TJ radiator finally bit the bullet this weekend off-roading in the 108 degree desert. I spend a decent amount of time in remote places and need something that I can trust.

I am looking to upgrade to an aluminum radiator. I have started looking around and could use some input. Hoping to keep the price tag around $400. Any suggestions? I am also assuming I should replace the hoses and thermostat, should anything else be replaced at the same time?

Also, can anyone explain why summit has the Griffin with trans cooler for under $350ish and the same version for the manual trans is $578.

Thanks

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Old 06-25-2014, 04:53 AM   #2
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TAKE IT TO RADIATOR SHOP. THINK THEY CAN REBUILD YOUR RADIATOR AND MAYBE ADD AN EXTRA ROW INSIDE FOR BETTER COOLING. I WAS LOOKING AT DOING SAME THING BUT I COULD REBUILD MY RADIATOR PROBABLY A FEW TIMES FOR THE PRICE OF 1 ALUMINUM 3 CORE RADIATOR

Cooling System Parts - Radiators, Water Pump, Fan, Radiator Hoses & Belts for your Jeep Wrangler YJ by Morris4x4

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Old 06-30-2014, 02:22 AM   #3
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Good question I have the exact same one. Plus, is 3 better than 1?
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Old 06-30-2014, 08:54 AM   #4
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Good question I have the exact same one. Plus, is 3 better than 1?
In general, no it's not. The problem with 3 rows of tubes in one core is the front to back depth is not enough to take advantage of wider tubes. That means you have to narrow the tube width to fit three of them in there and you lose a lot of tube to fin contact due to the spaces between the tubes.

I've not found a radiator for the TJ that works better than OEM or even the same for similar money. OEM is a 1 row core.
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Old 06-30-2014, 09:29 PM   #5
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Also, can anyone explain why summit has the Griffin with trans cooler for under $350ish and the same version for the manual trans is $578.
I bought the 5-70032 from Summit and had the same question. I called Griffin and they explained that the radiators are the same except for the auto trans plumbing and they produce so many more AT compatible versions that the cost is lower.
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Old 06-30-2014, 09:35 PM   #6
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My griffen was a pos lasted a couple months in Alaska. Hate em. drake too. Cheap napa is doing Fine. Sucks thinking your upgrading and downgrade. F the cost they are trash. I literally Recycled them.
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Old 06-30-2014, 09:44 PM   #7
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First, the OE Mopar's radiator core is already aluminum and when in good condition, is more than capable of dealing with heat significantly hotter than that 108 you experienced there in LV. X2 on the single row model being better than 2 or 3 rows... which is why the OE radiator went from 2 to 1 row for slightly better cooling.

I'd stick with the OE Mopar radiator, it'd take a very expensive radiator to do any better and then it likely wouldn't be noticeable. Definitely avoid the cheap store brand radiators.

Make sure to use a good coolant like Zerex G-05 or the Mopar coolant and if what you buy needs to be diluted, make sure to only use distilled water which you can buy by the gallon in your local grocery store. Tap water will eventually start clogging a radiator with dissolved mineral deposits.
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Old 06-30-2014, 09:44 PM   #8
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First, the Mopar's radiator core is already aluminum and when in good condition, is more than capable of dealing with heat significantly hotter than that 108 there in LV. X2 on the single row model being better than 2 or 3 rows... which is why the OE radiator went from 2 to 1 row for slightly better cooling. I'd stick with the OE Mopar radiator, it'd take a very expensive radiator to do any better and then it likely wouldn't be noticeable. Definitely avoid the cheap store brand radiators.
Mine was bronze in 2000.
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Old 06-30-2014, 09:47 PM   #9
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Mine was bronze in 2000.
The Mopar OE radiator used in TJs has always had an aluminum core.
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Old 06-30-2014, 09:49 PM   #10
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The Mopar OE radiator used in TJs has always had an aluminum core.
No it didn't. And after the black wore off the metal was obvious a brass color (but
Bronze). Plus it weighed a lot. It was not aluminum.
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Old 06-30-2014, 09:51 PM   #11
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Whatever you want to think is fine with me. Perhaps you need to figure out what is the core and what is not the core... and how to tell a Mopar OE radiator from an aftermarket radiator like you like to buy.
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Old 06-30-2014, 09:54 PM   #12
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Whatever you want to think is fine with me. Perhaps you need to figure out what is the core and what is not the core.
Perhaps you are wrong. I know what a core
Is. It's ok. I'm wrong sometimes. I learn from it. At least I can admit it. Im on the money here though. %100 positive.
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Old 06-30-2014, 09:54 PM   #13
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I should go to the dodge house and get them to order me one then or can i order it direct for cheaper? Also, can I add an electric fan to it later?
Thanks,
Wes
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Old 06-30-2014, 10:03 PM   #14
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Electric fans are pointless. Stick with stock. Do a search here if you doubt me. But yes they make electric fans for factory radiators.

Deleted my link I thought it was the one Jerry posted. His is what I was searching for.
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Old 06-30-2014, 10:07 PM   #15
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I should go to the dodge house and get them to order me one then or can i order it direct for cheaper? Also, can I add an electric fan to it later?
Thanks,
Wes
WeRMopar.com - OEM Parts For Chrysler, Dodge, Jeep, and Ram Vehicles is a good source for discounted Mopar parts.
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Old 06-30-2014, 10:30 PM   #16
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Originally Posted by VegasDesert View Post
My 1999 6cl TJ radiator finally bit the bullet this weekend off-roading in the 108 degree desert. I spend a decent amount of time in remote places and need something that I can trust.

I am looking to upgrade to an aluminum radiator. I have started looking around and could use some input. Hoping to keep the price tag around $400. Any suggestions? I am also assuming I should replace the hoses and thermostat, should anything else be replaced at the same time?

Also, can anyone explain why summit has the Griffin with trans cooler for under $350ish and the same version for the manual trans is $578.

Thanks
Can anyone answer these questions^^^^ such as the thermostat and hoses?
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Old 06-30-2014, 10:30 PM   #17
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No it didn't. And after the black wore off the metal was obvious a brass color (but
Bronze). Plus it weighed a lot. It was not aluminum.
Sorry, but as stated, you are mistaken and likely due to someone swapping out the OEM version for a copper and brass version.

There has never been an OEM radiator in the TJ that wasn't plastic tanks and an aluminum core as it came from the factory.
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Old 06-30-2014, 10:33 PM   #18
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Perhaps you are wrong. I know what a core
Is. It's ok. I'm wrong sometimes. I learn from it. At least I can admit it. Im on the money here though. %100 positive.
He's not wrong. I've been around and worked on all the years of them swapping radiators and working on the cooling systems and not once have I found a brass and copper version as it came from the factory.
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Old 06-30-2014, 10:39 PM   #19
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Perhaps you are wrong. I know what a core
Is. It's ok. I'm wrong sometimes. I learn from it. At least I can admit it. Im on the money here though. %100 positive.
And I am 100% positive the signal-to-noise ratio decreases dramatically in most threads you post in.
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Old 06-30-2014, 10:44 PM   #20
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Sorry, but as stated, you are mistaken and likely due to someone swapping out the OEM version for a copper and brass version. There has never been an OEM radiator in the TJ that wasn't plastic tanks and an aluminum core as it came from the factory.
Bought it new it was bronze. Not mistaken.
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Old 06-30-2014, 10:47 PM   #21
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And I am 100% positive the signal-to-noise ratio decreases dramatically in most threads you post in.
Watch the personal attacks. I won't report you though. I'm nice like that.
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Old 06-30-2014, 10:48 PM   #22
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Watch the personal attacks. I won't report you though. I'm nice like that.
Be my guest.
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Old 06-30-2014, 10:54 PM   #23
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Be my guest.
Lol. That's your style. I'm content. I know my jeep I bought new didn't have an aluminum radiator. If people want to believe you they did cool. Really don't matter. Won't hurt em.
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Old 06-30-2014, 11:07 PM   #24
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... I know my jeep I bought new didn't have an aluminum radiator. If people want to believe you they did cool.
It was not just me who told you that all OE TJ radiators have aluminum cores, you were also told that by one of the most trusted, knowledgeable, and experienced Jeep builders anywhere... but I don't consider it my job to convince you of anything so go ahead and believe whatever you want to. It's no skin off my nose.
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Old 06-30-2014, 11:23 PM   #25
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It was not just me who told you that all OE TJ radiators have aluminum cores, you were also told that by one of the most trusted, knowledgeable, and experienced Jeep builders anywhere... but I don't consider it my job to convince you of anything so go ahead and believe whatever you want to. It's no skin off my nose.
Don't care what I was told it's wrong lol. I own it. You buy a 2000 TJ new? I did with a bronze radiator. And clamped plastic tanks. All the OEM ones available for replacement Are aluminum and are bright silver. Mine was painted black and where it wore off bronze. It weighed way more than aluminum too. Man. Glad I like to learn. Must suck thinking like that.
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Old 06-30-2014, 11:33 PM   #26
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Alright guys agree to disagree and move on! If you can answer OP's question then answer it if you can't then move on.
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Old 06-30-2014, 11:33 PM   #27
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The single row must have been brought out after 99 cause mine is still all oem and is 2 row.

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Old 06-30-2014, 11:34 PM   #28
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The single row must have been brought out after 99 cause mine is still all oem and is 2 row.

Donn
That is exactly when the OE aluminum core went from 2 rows to a single row.
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Old 06-30-2014, 11:36 PM   #29
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The Jeep OEM radiator is going to be the best radiator for our jeeps. I bought a 3 core all aluminum radiator and it developed a leak in 2 months. I did not notice an difference in my temps either. After that aluminum radiator failed me I went straight back to a stock radiator and I have wheeled during some hot hot times and my OEM radiator has yet to fail me.
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Old 06-30-2014, 11:57 PM   #30
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That is exactly when the OE aluminum core went from 2 rows to a single row.
Even though it is 2 row I have never had any heating problems, just a hint of dried green residue around the crimp so it is only a matter of time, it has gone 75,000 mils though.

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