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11-24-2019, 09:55 AM
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#1 |
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Registered User
Join Date: May 2019
Location: Hathaway Pines, CA
Posts: 121
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Original Radiator
I was planning on using my original radiator in an LS1 swap into a 1963 GMC. I have been told the original radiator will work fine. I have also been told I need an Aluminum Horizontal core radiator.
Any personal experiences I can learn from ? Any thoughts ?
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48 CJ2A 63 1500 GMC (LS1 w/ Muncie 4spd) 68 RS Camaro 71 K20 BBC & granny 4 speed 95 2500 4x4 17 HD2500 4x4 Want => 67 C10 short bed w/ Manual Tranny |
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12-16-2019, 02:50 PM
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#2 |
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Senior Member
 
Join Date: Jun 2019
Location: Midway USA Kentucky
Posts: 566
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Re: Original Radiator
From what I understand you can/should use the original (if it will fit).
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01-20-2020, 12:17 PM
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#3 |
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Old and crusty
Join Date: Jan 2009
Location: Surprise, AZ
Posts: 462
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Re: Original Radiator
I used this one. Installed 3 years ago with no problems.
https://www.entropyrad.com/1963-1966...-radiator.html
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65 Chevy long wide daily driver - SOLD! 64 Chevy Short Step LS |
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01-24-2020, 10:23 AM
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#4 |
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Registered User
Join Date: Nov 2001
Location: Springfield, MO
Posts: 2,939
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Re: Original Radiator
I used my original one for years. I did recently swap to an aluminum one. Not a real expencive one but I thought it might be better since I get into traffic during the power tour or CTC.
My original was good but the newer ones seem to flow better and I did get some better cooling. I would just run what you have and watch the temps. Dave
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Dave 1968 Custom Chevy with turbo charged 5.3 gen III 4l80e swap 1967-71 GMC 3/4 ton long step 4x4 (not sure what year exactly?) "A good friend will bail you out of jail...but a true friend will be sitting next to you saying "that was frekin awesome". "If it doesn't fit force it...If it breaks then it needed to be replaced anyway!" |
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02-02-2020, 10:13 AM
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#5 |
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Senior Member
Join Date: Jun 2007
Location: Pine Ridge Florida
Posts: 4,135
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Re: Original Radiator
When I did my Jimmy about 10 years ago I had a radiator shop make some changes to my stock AC radiator. He added a steam port and IIRC changed the size(s) of the hose bungs?
Worked perfectly until I sold the Jimmy.
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Click on my Not really a build thread, yet NOT SO RUST FREE RUST FREE BLAZER LS ENGINE SWAP INFORMATION THREAD BOLT RESTORATIONS 4l60 to an NP205 |
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02-06-2020, 04:48 PM
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#6 |
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Registered User
Join Date: Dec 2017
Location: Mile High
Posts: 160
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Re: Original Radiator
I swapped an LQ4 into my 72 C25 and kept the factory radiator. I have not had any problems here in Colorado.
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02-10-2020, 01:12 PM
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#7 |
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Registered User
Join Date: Feb 2013
Location: Columbus, MS
Posts: 445
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Re: Original Radiator
Unfortunately, I never had the original radiator although I think it would've worked. I ended up going with a 26"x19" crossflow aluminum radiator from Northern and was able to keep the upper and lower hoses on the passenger side. Ran it to CTC back in October with new Vintage Air system and worked great.
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03-13-2020, 05:01 PM
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#8 |
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Senior Member
 
Join Date: Sep 2005
Location: Lewisville, Nc
Posts: 10,237
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Re: Original Radiator
Moved to the ls swap forumn
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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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01-01-2021, 06:29 PM
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#9 |
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Registered User
Join Date: Dec 2019
Location: Greer Sc
Posts: 252
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Re: Original Radiator
Currently looking for a radiator my 64 C10 LS swap. Debating buying a specific swap radiator or the Champion CC284 radiator with fans that has the inlet/outlet in stock positions and sized 1.5/1.75.
Found adapters for hose size on ICT's website but got to add up cost and see how much the fittings and 4 hoses is going to add up to vs buying a specific LS radiator. Found the CC284 on AZ Pro website offered in LS swap already, its around $550 with fans and shroud. Waiting for them to email me back about the radiator.
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1964 C10 Rusto-mod 5.3L - L59 |
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01-02-2021, 03:36 PM
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#10 | |
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Senior Moment
Join Date: Mar 2002
Location: Pittsburg Ca
Posts: 4,188
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Re: Original Radiator
Quote:
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1970 CST LS 1 6 speed Ford 9 inch Detroit Tru Track, Dakota Didgital, Vintage Air, QA1 Coil Overs Front & Rear Lots of FUN 2013 GMC PU, Oldest Son 71 GMC LWB. QA1 Suspension, Angry SB. Youngest Son 2019 GMC Diesil Dually. Youngest Son 2017 Toyota SUV Daughters car 2018 Traverse , Wife’s Ride Pittsburg Ca 94565 |
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01-06-2021, 09:26 PM
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#11 |
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Old and crusty
Join Date: Jan 2009
Location: Surprise, AZ
Posts: 462
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Re: Original Radiator
I have an older version of this one. Still going strong 5 years later with zero problems.
https://entropyrad.com/product/1963-...inum-radiator/
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65 Chevy long wide daily driver - SOLD! 64 Chevy Short Step LS |
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01-08-2021, 12:25 PM
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#12 |
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Registered User
Join Date: Jan 2016
Location: Kings Mountain, NC
Posts: 13
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Re: Original Radiator
Anyone had experience with radiators from this company: http://www.speedcooling.com. I am considering using their 1967 - 1972 Chevy truck radiator. Based on their web site it uses the original 4-row mounts, lifetime warranty, aluminum construction with a heavy duty 2-row core with 1.0" tubes, heavy duty transmission cooler, fully TIG welded construction with no epoxy.
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