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Re: Any chance a 22" radiator will cool a 470 ?
[Re: Hemi Allstate]
#871417
12/04/10 10:44 PM
12/04/10 10:44 PM
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Joined: May 2005
Posts: 6,446
NJ-USA
HPMike
master
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master
Joined: May 2005
Posts: 6,446
NJ-USA
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Quote:
Quote:
This car wears it's original 22" radiator.
Engine is a 511"- 13:1 ported Edelbrock heads, etc.. Easy 650 horse.
180 all day.
MB
Mike,
I won't doubt your word, but things are looking hot in the picture! 
That is more engine than what I am using for sure.I may have to give the old original a try. Is yours a 2 row?
Thanks,
Mark
As most are aware there are several issues that can cause overheating conditions in cars that range from too strong a mix of glycol/water to a bad impeller on the pump, to a bad fan clutch and so on. People are very quick to blame the radiator because that is conventional thinking. And in some cases, the larger capacity radiator just masked a problem that existed elsewhere.
The problem with running a 26" radiator in the 22" support is that unless you cut the support out, you will be blocking the 4" of extra core anyway. Even then, there is no way to properly mount the radiator without some jury rigging.
All things working well, the 22" will be fine. Have the core replaced with a high efficiency unit. 
MB
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Re: Any chance a 22" radiator will cool a 470 ?
[Re: HPMike]
#871419
12/04/10 11:37 PM
12/04/10 11:37 PM
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Joined: Jan 2007
Posts: 1,444
NEW JERSEY
dynamite
pro stock
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pro stock
Joined: Jan 2007
Posts: 1,444
NEW JERSEY
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Hi Mike,Even with the 24 inch rad I had to (adjust) the radiator support..It's a 56 Plymouth..It took a ton of modifing just to get that 440 in that car..even more after I installed the f body K frame..I went thru the whole list of things that make it run hot..Shrouds,,different w/pumps,Used the stock oem w/p housing,even different pullys,engine tune etc,,heads and head gaskets.even changed blocks..you name it..30 + years as a Chrysler tech,both auto and marine..This car just wanted more radiator..My problem was hot at speed..I could sit in traffic and run 180..but hit 3000 rpm and boil..It took a while but the 26 inch rad fits nicely..dual fans from a Chrysler LHS are only needed when stopped..
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Re: Any chance a 22" radiator will cool a 470 ?
[Re: B5 Bee]
#871421
12/04/10 11:50 PM
12/04/10 11:50 PM
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Joined: Feb 2003
Posts: 1,679
Mansfield,Ohio
moparrulzzz
top fuel
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top fuel
Joined: Feb 2003
Posts: 1,679
Mansfield,Ohio
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Quote:
A 22" radiator will do it if it is the same quality as an OEM unit and you don't have low gearing.
The '70 440-6 Sport Fury GTs with 3.23 gears came with a 22" radiator. If they could cool a heavy 440 C body, they should cool a lighter 470 B body.
I have a '70 440-6 Bee with the original 22" and 3.23 gears, never had an overheat problem here in FL.
So a 22" in my '68 Coronet with a 440 and 3:91's probally won't work!??
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Re: Any chance a 22" radiator will cool a 470 ?
[Re: moparrulzzz]
#871423
12/05/10 12:15 AM
12/05/10 12:15 AM
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Joined: Feb 2003
Posts: 8,020
Pangaea
B5 Bee
master
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master
Joined: Feb 2003
Posts: 8,020
Pangaea
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Quote:
Quote:
A 22" radiator will do it if it is the same quality as an OEM unit and you don't have low gearing.
The '70 440-6 Sport Fury GTs with 3.23 gears came with a 22" radiator. If they could cool a heavy 440 C body, they should cool a lighter 470 B body.
I have a '70 440-6 Bee with the original 22" and 3.23 gears, never had an overheat problem here in FL.
So a 22" in my '68 Coronet with a 440 and 3:91's probally won't work!??
It probably will IF everything is equal or better than OEM.
Would Mopar engineer a cooling system that was on the edge? Likely not. There should be a margin of safety in the design to handle 3.91 gears if you cruised at 65mph or less, 75mph maybe not.
One thing that we now have that helps cool our old cars they didn't have 40 years ago. E10. If you have your car jetted up for E10, the extra fuel will help cooling at all speeds. Best way to fix a overheating problem without replacing cooling system components, convert the fuel system over to E85.
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Re: Any chance a 22" radiator will cool a 470 ?
[Re: B5 Bee]
#871424
12/05/10 12:16 AM
12/05/10 12:16 AM
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Joined: Mar 2006
Posts: 2,675
Mt. Eden Ky.
Hemi Allstate
OP
master
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OP
master
Joined: Mar 2006
Posts: 2,675
Mt. Eden Ky.
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Quote:
A 22" radiator will do it if it is the same quality as an OEM unit and you don't have low gearing.
The '70 440-6 Sport Fury GTs with 3.23 gears came with a 22" radiator. If they could cool a heavy 440 C body, they should cool a lighter 470 B body.
I have a '70 440-6 Bee with the original 22" and 3.23 gears, never had an overheat problem here in FL.
B5Bee,
I have never heard of the '70 440-6 Sport Fury GTs! That sounds interesting.
My RR is 3.23 equipped. I have to admit that I didn't consider the rear gear ratio as part of the equation. But,it seems Ma did, as the cars with the optional rears had bigger radiators? Is that correct?
Thanks,
Mark
1996 Ram 1500 Sport
1968 road runner
1952 Sears Allstate licensed, pump gas, Hemi 5.98 @ 115.73 1.33 60 ft. The best is yet to come. Painless Performance / Street RODDER magazine Top 100 for 2019
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Re: Any chance a 22" radiator will cool a 470 ?
[Re: HPMike]
#871425
12/05/10 03:03 PM
12/05/10 03:03 PM
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Joined: Apr 2005
Posts: 15,134
Kelowna, B.C. Canada
DPelletier
I Live Here
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I Live Here
Joined: Apr 2005
Posts: 15,134
Kelowna, B.C. Canada
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Quote:
Quote:
Quote:
This car wears it's original 22" radiator.
Engine is a 511"- 13:1 ported Edelbrock heads, etc.. Easy 650 horse.
180 all day.
MB
Mike,
I won't doubt your word, but things are looking hot in the picture!
That is more engine than what I am using for sure.I may have to give the old original a try. Is yours a 2 row?
Thanks,
Mark
As most are aware there are several issues that can cause overheating conditions in cars that range from too strong a mix of glycol/water to a bad impeller on the pump, to a bad fan clutch and so on. People are very quick to blame the radiator because that is conventional thinking. And in some cases, the larger capacity radiator just masked a problem that existed elsewhere.
The problem with running a 26" radiator in the 22" support is that unless you cut the support out, you will be blocking the 4" of extra core anyway. Even then, there is no way to properly mount the radiator without some jury rigging.
All things working well, the 22" will be fine. Have the core replaced with a high efficiency unit.
MB
As usual, Mike knows what he's talking about. All rads are not created equal and the 26" cure all mentality is prevalent with Mopar guys.
Installing a 26" rad in a 22" car has the issues Mike mentioned above plus if you want it to look original....
Use the 22" tanks with a good high performance core and make sure all the other cooling system components are up to snuff.
Dave
1970 Super Bee 440 Six Pack
1974 'Cuda
2008 Ram 3500 Diesel
2006 Ram 3500 Diesel
2004.5 Ram 2500 Diesel
2003 Ram 3500 Diesel
2006 Durango Limited
[url] http://1970superbee.piczo.com [/url]
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Re: Any chance a 22" radiator will cool a 470 ?
[Re: DPelletier]
#871426
12/05/10 03:47 PM
12/05/10 03:47 PM
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Joined: Mar 2006
Posts: 2,675
Mt. Eden Ky.
Hemi Allstate
OP
master
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OP
master
Joined: Mar 2006
Posts: 2,675
Mt. Eden Ky.
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Dave, Are the replacement cores 3 row or two? I think the original core in my RR is two row.I know that the spacing of the tubes is different as is the fin count, and tube size. Thanks, Mark 
1996 Ram 1500 Sport
1968 road runner
1952 Sears Allstate licensed, pump gas, Hemi 5.98 @ 115.73 1.33 60 ft. The best is yet to come. Painless Performance / Street RODDER magazine Top 100 for 2019
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Re: Any chance a 22" radiator will cool a 470 ?
[Re: DPelletier]
#871430
12/05/10 11:37 PM
12/05/10 11:37 PM
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Joined: Dec 2004
Posts: 5,278
San Jose, California
DennisH
Vacation
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Vacation
Joined: Dec 2004
Posts: 5,278
San Jose, California
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Quote:
Quote:
Quote:
Quote:
This car wears it's original 22" radiator.
Engine is a 511"- 13:1 ported Edelbrock heads, etc.. Easy 650 horse.
180 all day.
MB
Mike,
I won't doubt your word, but things are looking hot in the picture!
That is more engine than what I am using for sure.I may have to give the old original a try. Is yours a 2 row?
Thanks,
Mark
As most are aware there are several issues that can cause overheating conditions in cars that range from too strong a mix of glycol/water to a bad impeller on the pump, to a bad fan clutch and so on. People are very quick to blame the radiator because that is conventional thinking. And in some cases, the larger capacity radiator just masked a problem that existed elsewhere.
The problem with running a 26" radiator in the 22" support is that unless you cut the support out, you will be blocking the 4" of extra core anyway. Even then, there is no way to properly mount the radiator without some jury rigging.
All things working well, the 22" will be fine. Have the core replaced with a high efficiency unit.
MB
As usual, Mike knows what he's talking about. All rads are not created equal and the 26" cure all mentality is prevalent with Mopar guys.
Installing a 26" rad in a 22" car has the issues Mike mentioned above plus if you want it to look original....
Use the 22" tanks with a good high performance core and make sure all the other cooling system components are up to snuff.
Mentality: There is no replacement for displacement. Even coolant. More is better.
Overbuild.
Dave
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Re: Any chance a 22" radiator will cool a 470 ?
[Re: DPelletier]
#871432
12/07/10 09:00 PM
12/07/10 09:00 PM
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Joined: Feb 2008
Posts: 2,648
GA
Boosted
master
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master
Joined: Feb 2008
Posts: 2,648
GA
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I have ran the champion 3 core aluminum in my cars with no issues.. I have the 26" in place of my 22" in the Challenger with a 512 in it.. No issues and it was a simple as drilling 4 holes and using some 5/16 fuel hose as spacers... Fits like it came thant way. I did not cut the radiator support as it only blocked an inch or so on the sides...
I would never go back to a stock radiator in anything that I was building a non stock motor for. If it was going to be a resto yes.. but not a hot rod... I can get picks if you like...
Here is a general view of it in the car... Want anymore and I can get them.
2011 RAM3500
1967 Fastback Barracuda with some go fast goodies.
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Re: Any chance a 22" radiator will cool a 470 ?
[Re: Hemi Allstate]
#871433
12/08/10 03:11 PM
12/08/10 03:11 PM
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Joined: Nov 2003
Posts: 2,715
closer to Canadian beer!
torkrules
I'm neurotic
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I'm neurotic
Joined: Nov 2003
Posts: 2,715
closer to Canadian beer!
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Quote:
I have the original 22" rad. in my 68 road runner. It cools the .030 over 383" with out any issues, and there is no fan shroud. I am using the MP clutch fan assy. ( Although it is dangerously close)
The new engine is a mild 470" with Eddy heads and hydraulic cam.
Anyone using this setup with the a similar low deck stroker?
Thanks,
Mark
I have had good luck with a 22" rad in front of a 472 CI 658HP Hemi. Hottest it ever got was 185. Depends on a lot of factors (make sure all the air deflectors/hood seals are in place, proper T-stat, good water pump etc.) Make sure the timing is set correctly and you are not running too lean.
I found clutch fans a little tenuous at idle. I went to a solid 16" flex-a-lite fan. Temperature only goes up a few degrees at idle and drops right down once moving. Fan shroud is a must.
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It must be my age! LOL 
