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  #21  
Old 06-02-2017, 08:11 AM
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Dakota Boy Dakota Boy is offline
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I ordered a 4-row "optima" core radiator from US Radiator yesterday. I just got tired of looking at my temp gauge all the time.
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  #22  
Old 06-03-2017, 04:09 AM
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c4clewis c4clewis is offline
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Where/how did you order it? I've tried the email from their website, but something is wrong with the page.

Did you call them directly? (trying to call from overseas so I'll have to find a good time)
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  #23  
Old 06-03-2017, 09:33 AM
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I called them on the phone during west coast business hours. Be prepared to pay another 70 for shipping. Then wait 2-3 weeks for it to be built.
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  #24  
Old 06-03-2017, 10:55 AM
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c4clewis c4clewis is offline
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Let us know how it looks, fits, and functions. I don't get home until December, so I'll use you as the guinea pig!

2-3 weeks isn't a bad turnaround time.
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  #25  
Old 06-27-2017, 05:00 PM
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Dakota Boy Dakota Boy is offline
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So.... I have installed the new radiator and took a test ride today. Now I have all the cooling capacity in the world; or so it seems.

Anyone considering one of these for their own Square' should be aware that the 4-row version sits 5/8" closer to the fan.

Bolts right in; no unexpected fabrication or frustration.
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  #26  
Old 06-27-2017, 05:11 PM
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c4clewis c4clewis is offline
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Awesome.

I take it there is a noticeable difference in your temps then?
I won't need to order for a couple of months, please keep us updated on how it holds out through the summer.
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  #27  
Old 06-27-2017, 06:04 PM
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old radiator = going down the interstate at 75mph/3000rpm the temp was 200-205 F.

New one under the same conditions = 160 F. (Thermostat is a 160)

I am going to cut the tanks off the old radiator and see how the tubes look. I will post up a photo when I have it.
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  #28  
Old 06-28-2017, 09:50 AM
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Ouch $$$ ...... but worth protecting all that money in the engine. About double a standard radiator price so thinking about it further maybe it's not so expensive for custom work.

Wonder why they have N/A for factory A/C in all their types of radiators - maybe because they also sit out further and will interfere with the Condenser coil?

Do you have the auxiliary transmission cooler or was one built in to the new rad?

Thanks,
Eric


(from US Radiator web site)


Extreme style copper core with 1/2" tubes on 5/16" centers. Offers 40% more heat transfer points. The most efficient core on the market when combined with increased air-flow and our Tripleflow option (note: In almost all cases, we will not sell the Optima core without the Tripleflow option. Tripleflow option requires that inlet and outlet be on opposite sides and must use auxillary tranny cooler for AT vehicles). LEARN MORE

Part Number..Factory Air..Rows..Cooler..Core..Thickness.MSRP
050270SNNK...N/A.........3....... No..................2"....$562.00 050270ANNK...N/A.........3........Yes................ 2"....$562.00 050270SNDK...N/A.........4.........No...............2-5/8" $647.00
050270ANDK.. N/A.........4........Yes...............2-5/8" $647.00
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  #29  
Old 06-28-2017, 02:02 PM
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I have an external trans cooler; not in the radiator itself.

As far as the A/C thing goes; I will say the new one does not sit any further out towards the front of the car. The 4-row version is 5/8" thicker, and so it is 5/8" closer to the engine.
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  #30  
Old 07-05-2017, 04:11 PM
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I had a 4-row built for mine when I put the engine in. It helped.
But at slow speeds, you can have a radiator the size of a building. If there's no air going thru it, it can't do it's job. The 7 blade (direct drive ) fan and the SHROUD does the trick. I have idled in traffic on HOT days. It never ever gets hot. When I 1st did it, I let it idle for an hour on a 95 deg day.
I used an old meat thermometer in the surge tank. It never went over a buck 95.
Runs 180-185 normally.
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1960 Convertible (Orig owner)
Pic of car with my son Justin (15 Y/O 6'1")
Poss 3rd Gen T/B owner
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