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Username Post: Radiator???        (Topic#351022)
Andy4639 
Frequent Contributor
Posts: 1140

Age: 57
Loc: Liberty, SC
Reg: 08-06-16
05-08-18 09:00 AM - Post#2733395    

The 56 does fine but it's showing signs of leaking on the bottom. It stay's right at 200 which is good for the LT1 engine. I was wanting to know what does everyone do with the radiator support? I want to put a bigger radiator in it when I do it.
Not this fancy but the size would be what I'm looking for though.
Do you cut the support out are just leave it alone?






1956 Bel Air - LT-1/4l60
1964 SS Impala -350 crate/powerglide
1967 Ramp truck - 350/ 4 speed
1971 C 10 - 6.0 LS / 4l80e 4:10 gears 30 years owner
94 Elderado
2000 S-10
2008 LTZ Tahoe
2011 Treverse


 

Rick_L 
Honored Member
Posts: 27415
Rick_L
Loc: Katy, Tx, USA
Reg: 07-06-00
05-08-18 12:22 PM - Post#2733411    
    In response to Andy4639

The expensive, deluxe way is to buy a package that consists of a radiator support, radiator, and fans, with possible add ons of a/c condenser, coolant recovery tank, etc. Several suppliers have this type of package.

Another way to do it is to buy a cross flow radiator from PRC in Indiana - they have a radiator with brackets that bolts to the stock radiator support. Quite a few on this forum bought that radiator in the past, and it works quite well. I haven't seen it advertised recently, but I'll bet they will still make one. You'll have to drill some mounting bolt holes for the brackets, and you'll have to put some holes in the filler panels for a the hoses to pass through. There is room for dual 11" Spal or similar fans.

I did mine a third way. I had PRC build me a custom radiator with angle brackets on the outside of the tanks. I move the uprights on the stock radiator "saddle" outward so they'd be behind the brackets, and added a couple of horizontal pieces at the bottom to join the uprights back to the bottom of the saddle. On mine the hoses are inboard of the relocated uprights.

So there are lots of choices, and all will work just fine.



 
Andy4639 
Frequent Contributor
Posts: 1140

Age: 57
Loc: Liberty, SC
Reg: 08-06-16
05-09-18 01:54 PM - Post#2733531    
    In response to Rick_L

I want to know do you open up the opening are just buy a larger radiator and put in.


1956 Bel Air - LT-1/4l60
1964 SS Impala -350 crate/powerglide
1967 Ramp truck - 350/ 4 speed
1971 C 10 - 6.0 LS / 4l80e 4:10 gears 30 years owner
94 Elderado
2000 S-10
2008 LTZ Tahoe
2011 Treverse


 
Rick_L 
Honored Member
Posts: 27415
Rick_L
Loc: Katy, Tx, USA
Reg: 07-06-00
05-09-18 02:05 PM - Post#2733532    
    In response to Andy4639

I forget what the width of the opening is on a stock radiator support. Most of the crossflow radiators have a 27" wide core. You are going to get good airflow through virtually the whole width of it. Remember too that if you put dual 11" electric fans on it, they "block" part of the airflow too in a way, but few ever mention that.

I personally have seen and ridden in at least 3 cars with that setup and none had a cooling problem. In Texas heat too.





 
bluedream 
Contributor
Posts: 484
bluedream
Loc: The Right Coast
Reg: 05-19-03
05-09-18 05:22 PM - Post#2733551    
    In response to Andy4639

Andy, the crossflow rad.is installed in the six cyl. rad. position, you do not have to cut the core support, the duel fans will take up the space of your old rad. you can replace the filler panels with custom ones.

1955 2 dr. hardtop


 
Andy4639 
Frequent Contributor
Posts: 1140

Age: 57
Loc: Liberty, SC
Reg: 08-06-16
05-09-18 06:21 PM - Post#2733556    
    In response to bluedream

So if I buy a new aluminum radiator I can run it with out cutting the support opening and be fine.
The radiator now is a stock looking one except it's aluminum with AC. It runs at 200* as of now. I'm just wondering if a new one would keep it cooler when it gets really hot and running the ac.



1956 Bel Air - LT-1/4l60
1964 SS Impala -350 crate/powerglide
1967 Ramp truck - 350/ 4 speed
1971 C 10 - 6.0 LS / 4l80e 4:10 gears 30 years owner
94 Elderado
2000 S-10
2008 LTZ Tahoe
2011 Treverse


 
acardon 
Ultra Senior Member
Posts: 11045
acardon
Loc: DFW TEXAS
Reg: 03-25-05
05-10-18 06:57 AM - Post#2733581    
    In response to Andy4639

If your not doing it for appearance, I see no need to go to the trouble of installing a cross flow. A upgraded down flow will do the job, with a good shroud or good electric fans and require very little modification, if any.
If it's automatic, the transmission cooling lines have to be rerouted to a cross flow radiator, holes cut in the filler panels, as mentioned, and a recovery tank is required. Plus, the A/C lines will have to be rerouted as well.

Don
66 Corvair (driving)
57 2dr HT (driving)
56 2dr HT (waiting to be restored)


Edited by acardon on 05-10-18 06:58 AM. Reason for edit: No reason given.

 
alans 55 
"17th Year" Gold Supporting Member
Posts: 3800
alans 55
Age: 70
Loc: Amarillo, Texas
Reg: 03-20-01
05-10-18 06:58 AM - Post#2733582    
    In response to Rick_L

here's a picture of my PRC radiator and a/c condenser. mounted in 6 cyl position. as
Rick said only mounting holes to drill and holed for a/c hoses. the dual spal fans fill the core support opening and good spacing for pulleys. mine has been in since 2004 and not a problem one. tried a store bought universal cross flow but didn't work well. happy with the PRC even if it cost more that some. the only mod I had to do was shorten the hood latch base to keep from rubbing the a/c condenser. cut a 1/2" out and re-welded it. easy to do. did have a spal fan controller but it quit and spal quit making/selling them so just on an off/on switch for now. been cooling great since 2004

alan






 
acardon 
Ultra Senior Member
Posts: 11045
acardon
Loc: DFW TEXAS
Reg: 03-25-05
05-10-18 07:02 AM - Post#2733583    
    In response to alans 55

You don't have to shorten the hood latch on a 56, with the radiator and condensor in front of the core support.

Don
66 Corvair (driving)
57 2dr HT (driving)
56 2dr HT (waiting to be restored)


 
Andy4639 
Frequent Contributor
Posts: 1140

Age: 57
Loc: Liberty, SC
Reg: 08-06-16
05-10-18 08:39 AM - Post#2733589    
    In response to acardon

This is what I have now. I added the classic ac also.







1956 Bel Air - LT-1/4l60
1964 SS Impala -350 crate/powerglide
1967 Ramp truck - 350/ 4 speed
1971 C 10 - 6.0 LS / 4l80e 4:10 gears 30 years owner
94 Elderado
2000 S-10
2008 LTZ Tahoe
2011 Treverse


 
Andy4639 
Frequent Contributor
Posts: 1140

Age: 57
Loc: Liberty, SC
Reg: 08-06-16
05-13-18 06:13 PM - Post#2733904    
    In response to Andy4639

Well I came home from work today to find a puddle of antifreeze under the 56! Not what I was wanting at this point and time. I pulled the griffin radiator out and found the bottom core coming a part from the radiator where it epoxied.
I ordered a new one off e bay all aluminum and tig welded like the other ones.
I have these in all my vehicles now. Not one has leaked are not fit like they say.
I'm going to add a small trans cooler also.





1956 Bel Air - LT-1/4l60
1964 SS Impala -350 crate/powerglide
1967 Ramp truck - 350/ 4 speed
1971 C 10 - 6.0 LS / 4l80e 4:10 gears 30 years owner
94 Elderado
2000 S-10
2008 LTZ Tahoe
2011 Treverse


Edited by Andy4639 on 05-13-18 06:14 PM. Reason for edit: No reason given.

 
Bruces 57 
Frequent Contributor
Posts: 2394

Reg: 01-03-07
05-16-18 07:04 AM - Post#2734092    
    In response to Andy4639

HELLO;
Looks like a Champion radiator. It says 3 cores but I found more specs that shown on these radiators! The total sum of the 3 cores is equal to 1.8"!! I just recently changed to another radiator with only 2 cores but each core is 1.25" totaling 2.5"! More Volume?
So far so good.
Part of my overheating problem wasn't overheating!! Turned out the nice new (expensive) Dakota Digital VHX gages were not giving me the correct temp readings!! How do I know? By their own actions by them sending me a new temp sender which extends down further in the flow of water.

Bruce



 
Andy4639 
Frequent Contributor
Posts: 1140

Age: 57
Loc: Liberty, SC
Reg: 08-06-16
05-16-18 09:22 AM - Post#2734105    
    In response to Bruces 57

No problem over heating. The problem was the lower part of the fins started coming a part from the tank.
Griffin epoxied the cores to the tanks and it was also 15 years old best I can tell by paper work.



1956 Bel Air - LT-1/4l60
1964 SS Impala -350 crate/powerglide
1967 Ramp truck - 350/ 4 speed
1971 C 10 - 6.0 LS / 4l80e 4:10 gears 30 years owner
94 Elderado
2000 S-10
2008 LTZ Tahoe
2011 Treverse


 

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