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Old 12-16-2013, 09:48 AM   #1
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what radiator to choose

Well I just got my 66 mustang 289 3 speed back up and running. all fluids changed yada yada, and it seems to be running well, but if I run it for too long I start to get some dripping from from the radiator. I think I am going to need a new one as it looks pretty corroded in parts. Anyway, my question for you guys is what radiator should I go with. 2 row, 3 row, 4 row, standard ford part, or aluminum replacement. What I want to do with this car is to put either a 302 or 351w in it at some point in the next 5 years, so a radiator/fan setup that would work with both would be ideal. What do I need to think about when buying this? Anybody have any recommendations? Any and all help is very much appreciated. I am reading a lot, and trying to figure this stuff out as I go, but there will be lots of questions! I live in Houston and am close to Johns Mustang, so Ive considered buying what they got, but thought Id see if there were better other alternatives. Thanks guys! Cheers!
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Old 12-17-2013, 01:35 AM   #2
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Definitely get at least a 3 row, a 2 row is a waste of money. It might a good idea to change the heater core if your radiator is corroded. The heater core will be too.
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Old 12-17-2013, 10:19 AM   #3
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I did a lot of reading yesterday on this. I ended up deciding to go with a 2 row aluminum radiator with 1 inch tubes. It was very affordable. My understanding is that the larger tubes are what make more of a difference in cooling as they allow for more surface area. This should be a good replacement to get me back on the road and then I will need to upgrade whenever I decide to build an engine. Now I need to decide whether or not to get an electric fan, or stick with the stock cooling fan for now. Guess we shall see. Cheers all!
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Old 12-17-2013, 11:30 AM   #4
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If you stay with the stock fan, a shroud is a must, esp if you have cooling issues.
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Old 12-17-2013, 01:10 PM   #5
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MIne has a shroud already, its not huge but like 1.5-2 inch. Hoping it works. We shall see.
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Old 12-17-2013, 07:40 PM   #6
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Check out the various anti-freeze additives. I'm using Wetter Water in my car. I noticed a difference after putting it in. I'm using a "Northern" aluminum radiator with a spacer to get the fan closer but no shroud. I was drag racing my 66 this summer "deep in the heat of Texas" with no overheating issues.
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Old 12-17-2013, 07:48 PM   #7
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this may be a silly question. But if I get rid of the stock fan and put in an electric fan do you gain in anything from not having that rotational mass there? HP? Maybe I dont know what Im talking about but just something I was thinking about earlier. Cheers!
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Old 12-17-2013, 09:37 PM   #8
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Quote:
Originally Posted by Benzopyrene View Post
this may be a silly question. But if I get rid of the stock fan and put in an electric fan do you gain in anything from not having that rotational mass there? HP? Maybe I dont know what Im talking about but just something I was thinking about earlier. Cheers!

Since your engine no longer has to spin the fan, yes it does reduce the parasitic drag on the engine.
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