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Thread: New Aluminum Radiator

  1. #1
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    New Aluminum Radiator

    Just got my new custom built radiator this morning from CGJ.com in Alabama.
    Thanks for the tip Mike!
    quality is excellent & it fits perfectly - so well in fact that it took 35 minutes to install.
    For $495 delivered, I consider this a steal
    needless to say it runs much cooler now
    BF5CB0AE-17E5-4564-9AE4-F0E09D09940D.jpg

  2. #2
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    Good to hear some positive feedback. I purchased a radiator from them for my '51 Commander but haven't had time to install it yet.

  3. #3
    President Member 62champ's Avatar
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    Do you happen to have photos of the top of the radiator? Wondering if it looks close to the original design. Thanks.

  4. #4
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    Wow! Looks like a perfect C-K cooling solution. I'm installing a somewhat modified 308 next year so I'm sure I'll be a player for this bolt-in.
    Cheers, Bill

  5. #5
    Golden Hawk Member StudeRich's Avatar
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    The CGJ Aluminum Radiators must be a LOT different than most of the 100 to 200 $ ones most here have been using!

    The Picture is a bit small and dark but, other than you painting it Black, it still looks a LOT like an original with a tapered down on the ends, rounded looking Top Tank. Are my eyes deceiving me? This looks WAY better than most.
    StudeRich
    Second Generation Stude Driver,
    Proud '54 Starliner Owner




  6. #6
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    There's pics on the manufacturer's website. https://www.cgj.com/search-results?sv=studebaker

    They don't look anything like the original radiators. But as I was telling someone just a couple of days ago.. "It'll look just fine with the hood closed".

  7. #7
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    Sorry to be the one to say it, but those prices are off the charts. The $159, including shipping, radiator I put in my 56 Wagon is awesome.
    sals54

  8. #8
    President Member bensherb's Avatar
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    I have to agree with Sal. The $125 delivered one I put in my Hawk doesn't appear significantly different. The copper and brass one I put in my '54 Chevy a couple years ago was $169, and the OEM one I put in my '99 Honda last Saturday was just $77.34 including both hoses, delivered.

  9. #9
    President Member 345 DeSoto's Avatar
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    4 Drift Parts Radiator.jpg $179, welded aluminum, for my Sky Hawk, delivered...

  10. #10
    President Member (S)'s Avatar
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    I think this may be a case of getting what you pay for. The less expensive ones are probably fine and will last a few years, and they have a 'lifetime' warranty but there is no mistaking the quality and craftsmanship of the other one. I've tried the KKS and after some work, it fit and worked fine.

    I am looking forward to trying the CGJ for the next job. Just looking at the ad, I see they are proud of what they do and a like the fact they use decent materials..

  11. #11
    President Member tsenecal's Avatar
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    I checked out the CGJ website, and they recommend aluminum, but they also make very nice copper-brass versions. They are custom made, and didn't hint about the cost, but I would bet that they are good quality. I still prefer copper over aluminum, for the fact that I have seen radiators from the 40s and 50s still in service, while many cars 10 - 15 years old, are getting their aluminum (not repairable), radiator, changed out. I had the original radiator from my 60 Hawk, cleaned and pressure tested, and at 58 years old, it is doing great.

  12. #12
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    I bought 2 Summit Racing aluminum rads & returned both.
    you get what you pay for & the Summit ones couldn’t even line up the hole in the tank with the inlet/outlet pipes
    i cut myself on ragged edges of some welds. Plus the specific 2nd rad I ordered didn’t fit because it was 1/2 inch wider than the stated specs.
    as I said you get what you pay for!
    Attached Images Attached Images

  13. #13
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    any cheaper & they’ll be paying you to take them.
    don’t know where your brass rad came from but locally in Texas I was quoted $400 - $600just for a recore

  14. #14
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    Quote Originally Posted by Chartrain View Post
    as I said you get what you pay for!
    Exactly.

    In the case of my '51, CGJ is the only option for a new, bolt-in radiator. The radiator in my car is nearly 70 years old.. To me it's worth it to replace it simply for the peace of mind.

    Either way, I'd rather spend a little more money for a product made in the US, and support a company that's chosen to make a part specifically for Studebakers.

    If the only thing that matters is saving a buck... This hobby is the wrong way to go about it.
    Last edited by mbstude; 10-12-2018 at 05:48 PM.

  15. #15
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    Agreed on all counts

  16. #16
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    Thought I'd followup on this. This morning I installed the new radiator from CGJ into my '51 Commander. The fit is perfect and the temp gauge needle reads a little lower now.

    I could've painted it black and it would look "stock" at a quick glance.. But the Sanden compressor isn't stock either. Regardless, it looks just fine when driving down the road.

    Last edited by mbstude; 10-27-2018 at 05:20 PM.

  17. #17
    President Member Ron Dame's Avatar
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    I have just had an Avanti re-cored, with a heavy duty, US made core (not very light,fragile core) for $550. I looked at some far less expensive aluminum ones, but they are very light gauge. A good heavy gauge is almost as much as a good copper/brass re-core.
    Ron Dame
    '63 Champ

  18. #18
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    The main reason I went with the cheaper version is the fact that I'm not driving any of my Studes like I used to. Occasional jaunts on several weekends per year. Perhaps as many as several dozen times. So... that means the radiator is not going to "cycle" that many times in its life. When we drove these cars regularly, the radiator would "cycle" between hot and cold as many as 20 times a week. This is what eventually weakens the connection points in the soldered joints. Well, that and eventual rot. I have no intention of spending tons of money unnecessarily for someone else to enjoy, well after I'm dead and cold. They can do that for themselves when the car is worth much more than it ever will be in my lifetime. But that's just me.
    sals54

  19. #19
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    Anyone with low cost radiators want to say WHERE they bought them? Just getting started on a 58 Commander so keeping the cost down at the moment is my top priority.

  20. #20
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    I put a 65 Mustang Aluminum radiator in my M series truck . Is it a two one inch tube radiator , came from Jeggs ! they have a lot to choose from . Mine fits between the radiator mount and gives more room , I replaced a 3 row brass radiator . I also put a high output water pump on and made sure no air could get around radiator. I run a 355 SBC .Before with my 180 stat , it ran about 188-195 and went up quick in town traffic and A/C could only be ran in country, now with same stat , it runs 177 in country and goes up slowly in town . I can run A/C anytime I want , it may get up to 198 in town , but goes right back to 177 when I get moving . when I leave home on startup , I can go in town (3 miles ) thru town ( about 2 miles ) and be on 155 . Very happy with Radiator . think it was about $235 .
    Randy Wilkin
    1946 M5 Streetrod
    Hillsboro,Ohio 45133

  21. #21
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    Your welcome Ray. Installing a CGJ radiator in my 62 GT Hawk was one of the best modifications to it I have ever done. I think a lot of folks on here don’t understand that living in Texas we drive these cars with AC in 100+ temps about 4 months of the year. We need all the cooling advantages we can get. GGJ is a first class operation, and the old saying is “ You get what you pay for. “

  22. #22
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    Paying a lot doesn't mean you get a lot; it just means you paid a lot. It might have been true years ago.

  23. #23
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    Quote Originally Posted by tsenecal View Post
    I checked out the CGJ website, and they recommend aluminum, but they also make very nice copper-brass versions. They are custom made, and didn't hint about the cost, but I would bet that they are good quality. I still prefer copper over aluminum, for the fact that I have seen radiators from the 40s and 50s still in service, while many cars 10 - 15 years old, are getting their aluminum (not repairable), radiator, changed out. I had the original radiator from my 60 Hawk, cleaned and pressure tested, and at 58 years old, it is doing great.
    When is comes down to basics, the original copper/brass radiators were long lasting efficient cooling devices. Bear in mind that copper is a much better facilitator for heat transfer. I personally had the radiator on my Power Hawk recored a few years ago to a three row upgrade and yes, the core was a US manufactured exact fit and cost $500 at the time, worth every penny!

    But that's just me, you're mileage may vary...

  24. #24
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    Quote Originally Posted by GrumpyOne View Post
    . Bear in mind that copper is a much better facilitator for heat transfer.

    But that's just me, you're mileage may vary...
    Yes, mileage will vary about heat transfer:

    First off there are no pure copper radiators.

    There are many brass (70% copper, 30% zinc) radiators.

    The thermal conductivity of brass is 64.

    The thermal conductivity of aluminum is 118, nearly twice as great.

    Fact is, aluminum conducts heat almost twice as well as brass. An inconvenient truth., eh?

    https://www.engineeringtoolbox.com/t...ctivity-metals

  25. #25
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    Quote Originally Posted by jnormanh View Post
    Yes, mileage will vary about heat transfer:

    First off there are no pure copper radiators.

    There are many brass (70% copper, 30% zinc) radiators.

    The thermal conductivity of brass is 64.

    The thermal conductivity of aluminum is 118, nearly twice as great.

    Fact is, aluminum conducts heat almost twice as well as brass. An inconvenient truth., eh?

    https://www.engineeringtoolbox.com/t...ctivity-metals
    Im by no means an expert, but I do know that you need a different type of coolant for an aluminum radiator. I wonder if the reason that many newer aluminum radiators are replaced after such a short time has to do with using incorrect coolant?

  26. #26
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    Modern (the past 25+ years) coolants work just fine in either. As far as I know, there is no brand of antifreeze you cannot use in an aluminum radiator.

    As far as replacing aluminum after "such a short time", that's not been my experience. Our daily drivers are 22 and 14 years old. Both have the original aluminum radiators.

  27. #27
    President Member bensherb's Avatar
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    Quote Originally Posted by jnormanh View Post
    As far as replacing aluminum after "such a short time", that's not been my experience. Our daily drivers are 22 and 14 years old. Both have the original aluminum radiators.
    The only problems I've had with aluminum radiators has been with those without welded tanks. I've had the plastic tanks crack or leak at their seal several times. I have never had a problem with a core though.

    After swapping the four row (re cored) brass radiator, that worked fine but ran on the hot side during the summer, in our '53 coupe (Chevy 350/4L60) for a two row all aluminum welded tank radiator, the temp dropped 40+ degrees during the summer's 102 to 108 temps. It was more than expected so we're thinking of going to a hotter thermostat now.

    With the $125 (ebay) three row aluminum, welded tank, radiator I put in my GT (Stude 289 / 4L60) it now takes over 20 minutes to get to running temp when idleing, and that's with no fan. It used to take half that with the stock radiator, fan and shroud. I've been on travel so haven't been around enough to see how it performs on the road but expect similar results to that of the coupe.

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