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Custom aluminum radiator arrived — nice! (pics)
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SlantSixDan
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Post subject: Custom aluminum radiator arrived — nice! (pics) (Sat Jun 14, 2008 10:30 am) Reply with quote

I mentioned some time back in this post that I was having a custom aluminum radiator made for my '62. It's here, and I'm totally blown away; the craftsmanship is A-number-1. Brackets are accurately and beautifully cut and formed, seams and welds are artful and precise. It weighs almost nothing (see photo for "two finger" liftability). The '60-'62 A-bodies have very limited space at the front of the engine bay, so it's very tough to devise a heavy-duty radiator that'll fit and leave room for the fan.

The core of this new rad has a single row of 1" tubes and high fin density. This should give better heat rejection and lower flow resistance compared to the stock radiator (2 rows of 1/2" tubes, low fin density) and the existing recored radiator (3 rows of 3/8" tubes, high fin density): with a conventional radiator, you have multiple dissimilar-material junctions: Coolant to brass tube, brass tube to solder, solder to copper fins, copper fins to paint, paint to air. With the aluminum rad, the junction count is cut significantly: Coolant to aluminum, aluminum to air. I like that this rad is a direct bolt-in and has the factory downflow design so I have similar-to-stock appearance (there's an aluminum theme going on under the hood of this car ) and I needn't rework bracketry and hoses to accommodate a universal crossflow "racing" radiator. It even has a trans fluid cooler.

OK, here are the pics. Click any of them to view a larger version in a new window:










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Last edited by SlantSixDan on Sat Jun 25, 2016 4:33 pm; edited 2 times in total
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Joshie225
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Post subject: (Sat Jun 14, 2008 11:13 am) Reply with quote

Very nice. Dare I ask what such a radiator costs?



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SlantSixDan
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Post subject: (Sat Jun 14, 2008 11:24 am) Reply with quote

'bout $400.



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Slant Cecil
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Post subject: (Sat Jun 14, 2008 12:05 pm) Reply with quote

I like it. I give it a 6 out of 6 star approval!

I have resisted aluminum rads because of the non OEM appearance of the crossflow design.
A coat of semi-gloss black would help with a stealth look.



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64 Convert
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Post subject: (Sat Jun 14, 2008 1:16 pm) Reply with quote

Did they have a pattern, or did you have to furnish a stock unit to copy?

Has anyone seen a cooling efficiency study between the stock and the aluminum radiator?

Since I added AC to my '64 Valiant, it tends to get warm while waiting at a stop light, just when I most need the AC. With no room for a bigger fan or an electric version, I'm convinced an aluminum radiator is the way to go, if there is a big difference in performance.


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DusterIdiot
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Post subject: Are you... (Sat Jun 14, 2008 1:46 pm) Reply with quote

Quote:
With no room for a bigger fan


Are you running a 4 blade stock fan, or one of the optional 7 blade fans found on A/C equipped cars?

-D.Idiot


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SlantSixDan
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Post subject: (Sat Jun 14, 2008 2:28 pm) Reply with quote

64 Convert wrote:
Did they have a pattern, or did you have to furnish a stock unit to copy?


I sent him the radiator I've just posted up in the "Parts For Sale" section.

Quote:
Has anyone seen a cooling efficiency study between the stock and the aluminum radiator?


I've seen graphs and tables in various SAE papers and such over the years, and they tend to confirm what I was talking about above. But of course the proof will be in the running.

Quote:
Since I added AC to my '64 Valiant, it tends to get warm while waiting at a stop light, just when I most need the AC. With no room for a bigger fan or an electric version, I'm convinced an aluminum radiator is the way to go, if there is a big difference in performance.


DI's got a very good question about what kind of fan you're running. Remember the Mopar A/C setup included a larger-capacity radiator and a fan shroud, as well as a fan with more blades (6 or 7 depending on year). You've got a lot more room at the front of a '64 than I have at the front of my '62, too.

Also remember that recommended practise was (and is) to put the car in Neutral if you're stopped for any extended time with the A/C on, and increase the idle speed slightly with your foot. Increased cooling capacity (fan and/or rad) can help reduce or eliminate the need to do this.



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65 dartman
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Post subject: (Sat Jun 14, 2008 3:50 pm) Reply with quote

SlantSixDan wrote:
64 Convert wrote:
Did they have a pattern, or did you have to furnish a stock unit to copy?


I sent him the radiator I've just posted up in the "Parts For Sale" section.



I wonder if they can duplicate the roundtop tank design? If so, that would be much more stock appearing for the earlier cars.


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SlantSixDan
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Post subject: (Sat Jun 14, 2008 4:36 pm) Reply with quote

65 Dartman wrote:
I wonder if they can duplicate the roundtop tank design?


Nope...this falls under the "try not to let small miracles make you wish for big miracles" category.



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Jopapa
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Post subject: (Sat Jun 14, 2008 8:58 pm) Reply with quote

Very nice. Looks spiffy.

Unrelated to the radiator though, I gotta ask: are you rockin' a fro or is there just something on the wall behind your head?



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SlantSixDan
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Post subject: (Sat Jun 14, 2008 9:17 pm) Reply with quote

Look closer — that's not me in the pic, it's Svensk Slanter. Remember, my beard's longer.



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Last edited by SlantSixDan on Sun Jun 15, 2008 7:31 am; edited 1 time in total
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Svensk Slanter
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Post subject: (Sun Jun 15, 2008 4:24 am) Reply with quote

I gotta ask: are you rockin' a fro or is there just something on the wall behind your head?

*grin* Howdy Slanters!

Not quite a 'fro, my wife lovingly refers to this effect as "yid" hair, which dependably occurs when it's time for me to get a haircut.


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Jopapa
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Post subject: (Sun Jun 15, 2008 10:10 am) Reply with quote

SlantSixDan wrote:
Look closer — that's not me in the pic, it's Svensk Slanter. Remember, my beard's longer.


LOL, I stand corrected...



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monkeybusiness
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Post subject: (Sun Jun 15, 2008 3:02 pm) Reply with quote

Wow ! thats a nice piece ! how long did it take to have yours made ?



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'72Jim
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Post subject: (Sun Jun 15, 2008 8:37 pm) Reply with quote

Nice looking piece. it seems the aluminum radiators are the hot setup. Chevelle guys can't wait to spend their money on a new aluminum radiator and electric fan.

How do these aluminum pieces hold up to vibration longer-term? I remember my AJS back in the 60s had Al fenders, and wasn't long before cracks appeared at the screw holes.


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