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02-16-2022, 01:08 PM
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#1 |
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Registered User
Join Date: Aug 2018
Location: Glendale CA
Posts: 124
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LS Radiators
Who here has a US made LS radiator with metal shrouded fans to show off? I am trying to pick a radiator for my 67 project. Please only high end radiators. I will not purchase a Chinese radiator for any reason. I am thinking Entropy but I have seen photos of better looking radiators but never seen a name. The fans look high end on the entropy as well. The black plastic fans just look too cheap.
Thanks! |
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02-16-2022, 02:28 PM
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#2 |
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Senior Member
 
Join Date: Nov 2013
Location: East Tennessee
Posts: 2,198
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Re: LS Radiators
I have the Entropy...LS swap radiator
I bought it several years ago when they were $800.00 I'm still building my 67 LS1 but I did have the radiator mounted to test run the engine.. it seems to work really well....with the engine at operating temperature 190º....you could lay your hand on the front of the radiator and it was only slightly warm...
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1967 C10 Step side 1968 C10 Step side 1970 Chevrolet K/5 Blazer 1972 Chevrolet K/5 Blazer ............. 
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02-16-2022, 02:42 PM
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#3 | |
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Registered User
Join Date: Aug 2018
Location: Glendale CA
Posts: 124
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Re: LS Radiators
Quote:
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02-16-2022, 02:49 PM
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#4 | |
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Senior Member
Join Date: Nov 2013
Location: East Tennessee
Posts: 2,198
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Re: LS Radiators
Quote:
That's what I would probably do, if I were making them...
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1967 C10 Step side 1968 C10 Step side 1970 Chevrolet K/5 Blazer 1972 Chevrolet K/5 Blazer .............
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02-16-2022, 02:58 PM
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#5 |
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Registered User
Join Date: Feb 2015
Location: Maryland
Posts: 246
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Re: LS Radiators
Couple different options.
I have the GC cooling with their soft start module. It uses the CR racing radiator. These are high end, high tech, high stress resistant pieces. NASCAR, IMSA, INDY etc. https://gccooling.com/product/67-87-...iator-package/ https://www.crracing.com/product-cat...ine_type=gm-ls |
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02-16-2022, 05:59 PM
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#6 |
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Registered User
Join Date: Jun 2015
Location: Carlos MN
Posts: 2,131
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Re: LS Radiators
Dewitt's get good reviews on the Corvette forums. I used a AFCO LS radiator on my 68 LS swap. Biggest I could fit.
Also I think Be Cool radiators are made in the US. Be Cool radiator on my current 80 Camaro LS3. I've used Spal fans on all LS swaps. Never had a failure. To A1971Blazer one of the things I did to clean up the upper radiator brackets I cut off the old fan shroud mounts. Just a suggestion. See pic. |
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02-16-2022, 07:06 PM
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#7 | |
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Senior Member
Join Date: Nov 2013
Location: East Tennessee
Posts: 2,198
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Re: LS Radiators
Quote:
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1967 C10 Step side 1968 C10 Step side 1970 Chevrolet K/5 Blazer 1972 Chevrolet K/5 Blazer .............
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02-16-2022, 08:33 PM
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#8 |
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Registered User
Join Date: Jul 2021
Location: Keller, Texas
Posts: 542
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Re: LS Radiators
I know mine is not an LS engine but I know Wizard Cooling offers radiators for them. And if you are looking for a high end set up you should check them out. In my 72 C20 running a 511ci big block with AC I installed one of their top systems and man does it perform. The quality is untouchable. Check the welds, the finish and the detail to quality in the pics below. The fans are 14" SPAL Brushless motors and they can move some air. No issue what so ever with overheating. Also I made up a mounting plate for the 50 amp fuse for each fan and junction block terminals for the positive and negative power cables.
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02-16-2022, 08:34 PM
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#9 |
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Registered User
Join Date: Jul 2021
Location: Keller, Texas
Posts: 542
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Re: LS Radiators
Here are a few more pics.
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02-16-2022, 08:39 PM
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#10 |
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Registered User
Join Date: Jul 2021
Location: Keller, Texas
Posts: 542
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Re: LS Radiators
Sorry, forgot to mention that I had to update my alternator to a higher amp unit. Bought this beauty from Powermaster. It puts out 168 amps at idle, 175 amps at cruise and 181amps at top end. Also had to go to # 2 cable from alternator to junction blocks. And # 2 ground cable.
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02-16-2022, 10:43 PM
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#11 |
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Registered User
Join Date: Jun 2009
Location: Portland - OR
Posts: 243
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Re: LS Radiators
I went with entropy. Also looked at Ron Davis.
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02-17-2022, 10:33 AM
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#12 |
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Almost Satisfied
 
Join Date: Mar 2002
Location: Springfield, MO
Posts: 2,932
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Re: LS Radiators
Entropy.
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1971 C10 Stepside. LSx 6.0 with BTR Stage IV, Speed Engineering Headers, 4L80e transmission w/3200 Circle-D Stall. 3.73. Posi. Purchased this truck when I was 17. I started the rebuild (or take apart) in 1993. I have drug it around all over the country in pieces. Finally back on the road in 2021. "I can't complain, but sometimes I still do. Life's been good to me so far." |
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02-19-2022, 02:20 AM
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#13 |
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Registered User
Join Date: Aug 2006
Location: Florida
Posts: 1,684
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Re: LS Radiators
spend the dough on the entropy. I have the badass model. 16" fans.
I'm using tejas mounts, ly6/lsa and it fits. big block radiator top bracket and saddles.
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1986 C10 SWB 6.0/6l90e Miami...Flee it like a native |
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02-19-2022, 08:22 PM
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#14 |
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Registered User
Join Date: Oct 2014
Location: Brandon, Manitoba, Canada
Posts: 993
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Re: LS Radiators
I used RND Fabrication. They're a forum sponsor and you can get a member discount. Excellent quality. He'll make the hose outlet sizes to your spec.
http://www.rndfabrication.com/C10early.html |
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02-19-2022, 08:38 PM
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#15 |
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Registered User
Join Date: Nov 2018
Location: Farmington Hills, MI
Posts: 27
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Re: LS Radiators
I have a Superior Radiator - made in Mt. Clemens, Michigan. I can't tell you how efficient it is yet- looks great though.
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02-26-2022, 01:02 PM
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#16 |
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Senior Member
 
Join Date: Sep 2005
Location: Lewisville, Nc
Posts: 10,237
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Re: LS Radiators
i orginally used a giriffn radiator fromm summit got 3 years out of it, i bought one from cold case when they where getting going for 450 buxs with fans with life time warranty they have now gone up to like 600 or so its been 4 years and so far still strong and no leaks
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David fuller Ase Certified Mechanic Click here to help support our board!! 1971 Chevy c-10 under going a 4.8l LSx swap Build Thread http://67-72chevytrucks.com/vboard/s...d.php?t=421305 2007 Honda Accord my daily 145kmiles 2002 Honda Accord 4 door With 330k(sisters car) 2005 toyota Avalon 228k( brothers car) 2002 Sububran 5.3 245k 2000 Tahoe 5.3l 378 General manager for Marco's Carwash & lube |
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03-07-2022, 05:05 PM
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#17 |
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Registered User
Join Date: Nov 2000
Location: Wheatfield IN, USA
Posts: 1,124
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Re: LS Radiators
Looking to go with RND Fabrication setup - love USA built products
This is current situation ..........
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1972 K5 - LS3/408 (595Hp) -6L80e-One Tons with 4.56, 20'' Beadlocks with 37'' rubber, full TMI interior, JL Audio ..... 1971 CREWMAX Build.....at body shop for couple more years 
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03-07-2022, 05:06 PM
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#18 |
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Registered User
Join Date: Nov 2000
Location: Wheatfield IN, USA
Posts: 1,124
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Re: LS Radiators
Anyone know how to rotate pics ...
__________________
1972 K5 - LS3/408 (595Hp) -6L80e-One Tons with 4.56, 20'' Beadlocks with 37'' rubber, full TMI interior, JL Audio ..... 1971 CREWMAX Build.....at body shop for couple more years
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03-08-2022, 02:46 AM
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#19 |
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Senior Member
Join Date: Dec 1999
Location: Southern California
Posts: 2,880
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Re: LS Radiators
I purchased and have in hand a RND for my truck. There is a horror story about them in the vendor review section. Hopeful I am not the next one. Was a little disappointed in the mounting tabs. When ordered I told them I had a stock 4 row rad. It came with mounts for a 3 row. When I inquired, I was told it fits 3 and 4 row mounts. A 1/4" bolt fits in a 1/2" hole, does not mean it should be done or make it right. Had to acquire 3 row mounts for my core support to make it right. Am using a 19" 850w PWM fan on the rad.
Fix the pic for you
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Richard 1972 K10 Custom Deluxe SWB Fleetside My build https://67-72chevytrucks.com/vboard/...d.php?t=800746 Last edited by Richard; 03-08-2022 at 05:19 AM. |
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03-09-2022, 09:01 AM
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#20 |
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Registered User
Join Date: Nov 2000
Location: Wheatfield IN, USA
Posts: 1,124
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Re: LS Radiators
Thanks for the heads up, will take it in to consideration.
__________________
1972 K5 - LS3/408 (595Hp) -6L80e-One Tons with 4.56, 20'' Beadlocks with 37'' rubber, full TMI interior, JL Audio ..... 1971 CREWMAX Build.....at body shop for couple more years
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03-09-2022, 02:19 PM
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#21 |
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Registered User
Join Date: Oct 2013
Location: Alabama
Posts: 1,234
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Re: LS Radiators
stock brass 4 row with dual Spal 12" fans & a nicely sealed shroud has served me well, all the way from bone stock 4.8 to a supercharged 5.3
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03-10-2022, 01:09 PM
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#22 |
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Registered User
Join Date: Nov 2000
Location: Wheatfield IN, USA
Posts: 1,124
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Re: LS Radiators
How do you access the vendor review section ? I see the vendor section but not the review portion...
__________________
1972 K5 - LS3/408 (595Hp) -6L80e-One Tons with 4.56, 20'' Beadlocks with 37'' rubber, full TMI interior, JL Audio ..... 1971 CREWMAX Build.....at body shop for couple more years
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03-10-2022, 01:35 PM
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#23 |
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Registered User
Join Date: Nov 2000
Location: Wheatfield IN, USA
Posts: 1,124
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Re: LS Radiators
Found the review ...
Looks like Entropy will move to top of list.. Would like to hear from RND if anything has changed with them ect... Looks like a great product but looks mean nothing if performance doesn't follow...
__________________
1972 K5 - LS3/408 (595Hp) -6L80e-One Tons with 4.56, 20'' Beadlocks with 37'' rubber, full TMI interior, JL Audio ..... 1971 CREWMAX Build.....at body shop for couple more years
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03-10-2022, 01:41 PM
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#24 |
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Registered User
Join Date: May 2009
Location: Central Valley,ca
Posts: 174
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Re: LS Radiators
I also use an entropy on my ls3. Keeps the truck @ 194 degrees no matter the outside temperature.
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03-11-2022, 02:58 AM
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#25 |
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Senior Member
Join Date: Mar 2015
Location: washington
Posts: 2,295
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Re: LS Radiators
I used Dewitts.
https://www.dewitts.com/collections/...39826951536722 Made in the usa. I personally like the OEM black look so I ordered mine with the DeWitts Black Ice coating. It is a product specifically designed to adhere to aluminum without any reduction in heat transfer. This is a special two part epoxy paint that is chemically hardened and it shrinks as it cures to a thickness of .001" Couldn't be happier with it. You can get a better price through Summit. |
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