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#1 |
Registered User
Join Date: Apr 2012
Location: Covington, GA
Posts: 386
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'73-'87 radiator swap?
My radiator has a pinhole leak. I've noticed a lot of the parts from the '73-'87 seem to bolt into '67-'72 trucks. Is this true of the radiators, too? The '73-'87 ones are a lot cheaper, and the outlets are in the same place.
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Matt Cramer 1972 Chevy C10 - 4.8 swap, long bed, and maybe one dent free body panel somewhere - SOLD 4.8 LS build thread |
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#2 | |
Senior Member
![]() Join Date: Nov 2001
Location: Rapid City, SD
Posts: 2,281
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Re: '73-'87 radiator swap?
Quote:
But if you find one the exact right SIZE, then the only difference would be the lower hose on the 67-72 radiators angle/curves up and the 73-later comes straight out. But the location is the same. I have heard and seen guys use the 73-later, but the hose fitting on properly can be an issue. Also, by the time you pay someone to put a curved/angled extension on, then you are back to the cost of a 67-72 radiator again.
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My Trucks: 1967 Chevrolet Short Wide Box 327 TH350 9" w/3.90 gears paint will be White - Current Project 1967 Chevrolet Custom LWB 283 TH400 3.73 Posi, no-AC, no-PS, no-PB, bench-seat, small-window - mostly orig driver 1967 Chevrolet CST LWB originally a 327 TH400 3.73 Posi AC PS PB, had Buddy Buckets, Small Window - parts truck 1967 Chevrolet CST LWB, 283 MT 3.73 had Buddy Buckets, Panoramic Window - parts truck 2001 Chevrolet 3500 2WD Crew Cab Dually 8.1L Allison White Last edited by 67 cst swb; 02-19-2015 at 02:52 PM. |
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#3 |
Registered User
![]() Join Date: Feb 2007
Location: Star Valley, WY
Posts: 2,038
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Re: '73-'87 radiator swap?
So far from my experiences, the 73+ radiators do fit in my '71. The only difference i've seen is the lower radiator hose inlet angles up vs straight out.
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Steve 1971 GMC Longbox. Full Roller Stroker 489 w/ FiTech EFI, Chris Straub Cam/NV4500/205/D60/14B w. Grizzly Locker and 4.11's. 2" Lift on 33's |
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#4 |
Registered User
Join Date: Apr 2012
Location: Covington, GA
Posts: 386
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Re: '73-'87 radiator swap?
Thanks! I'll have to check if the different angle is a plus or minus for my build, as it's a 4.8 swap.
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Matt Cramer 1972 Chevy C10 - 4.8 swap, long bed, and maybe one dent free body panel somewhere - SOLD 4.8 LS build thread |
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#5 |
Registered User
Join Date: May 2013
Location: Post Falls, ID
Posts: 889
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Re: '73-'87 radiator swap?
My '68 has a 17 inch tall radiator, my 1980 has a 19 inch tall radiator. How do I know this? Because, I just popped the radiator in the '68 and tried to replace it with the radiator out of the 1980. It didn't work. I had to go find a new radiator for my 68.
Also , the 68 to 72 radiators have a lower intake that is bent up, so the hose will clear the fender well. J.M $.02 W ![]() |
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#6 |
Registered User
Join Date: Oct 2008
Location: Marianna Arkansas
Posts: 7,270
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Re: '73-'87 radiator swap?
I used a rad out of a 94 C-1500 truck V-8 auto. Why that one? well it is what came to mind when I went to the store and I did make a sleeve for the lower hose and that was it and the cost was like $120. that was a little higher than I normally pay for those but I was in a hurry to put it in then tear the truck down and not move it anymore. Jim
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#7 |
Special Order
![]() ![]() Join Date: Nov 2004
Location: Mt Airy, MD
Posts: 85,858
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Re: '73-'87 radiator swap?
You can put all sorts of radiators in these trucks, but there's only one made to fit...and the shroud fits that...and the fan fits that...and...
I just get the one made for the truck
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"BUILDING A BETTER WAY TO SERVE THE USA"......67/72......"The New Breed" GMC '67 C1500 Wideside Super Custom SWB: 327/M22/3.42 posi.........."The '67" (project) GMC '72 K2500 Wideside Sierra Custom Camper: 350/TH350/4.10 Power-Lok..."The '72" (rolling) Tim "Don't call me a redneck. I'm a rough cut country gentleman" R.I.P. ~ East Side Low Life ~ El Jay ~ 72BLUZ ~ Fasteddie69 ~ Ron586 ~ 67ChevyRedneck ~ Grumpy Old Man ~ |
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#8 |
Senior Member
![]() Join Date: Dec 2011
Location: acworth georgia
Posts: 890
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Re: '73-'87 radiator swap?
We make bolt in units for your truck that are hand-made and TIG welded here in the USA, using US-Sourced materials. We never use any glue, epoxy or plastic in our radiators. Also, we are a site sponsor and offer a discount for forum members.
![]() ![]() ![]() ![]() Here is a link to the early C10 page on our website: http://www.rndfabrication.com/C10middle.html Contact me if you have any questions. |
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#9 |
Registered User
Join Date: Oct 2012
Location: Northern Cal
Posts: 249
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Re: '73-'87 radiator swap?
Hey Sparky, tried to click your link to check out your prices and it didn't work.
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1967 GMC 1500 SWB. Driving this truck since I was 14. |
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#10 |
Senior Member
![]() Join Date: Dec 2011
Location: acworth georgia
Posts: 890
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Re: '73-'87 radiator swap?
I just clicked it and it worked. What browser are you using?
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#11 | |
Senior Member
![]() Join Date: May 2013
Location: Lino Lakes, MN
Posts: 362
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Re: '73-'87 radiator swap?
Quote:
RnD Fabrication is proud to announce our line of 1967-1972 Chevrolet & GMC C10, C20 and 1970-1972 Blazer Custom Crossflow Radiators! The basic price of this radiator is $450.00, and we can add our shroud and electric fan kit for an additional $240.00 if desired. We also offer a thermostat switch for $75.00. All of our radiators are built with mounting tabs for our shrouds, meaning you can always add the shroud and fan kit later if you choose. If you have installed a non-original motor or conversion engine, please let us know prior to ordering so we can place the inlet and outlet on the correct side of the radiator. We also build all of our radiators for the popular LS / LSx swaps! It is a bolt in for the C10 LS conversion. We put the correct size inlet and outlet on the passenger side along with a steam port. There is no additional charge for building them for conversions.
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Chad '71 GMC 2500 Custom Ol Blue '72 Custom Deluxe Highlander Stuffed Olive '73 Trans Am '13 Silverado 2500 Duramax Storm Trooper |
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#12 |
Registered User
Join Date: Oct 2012
Location: Northern Cal
Posts: 249
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Re: '73-'87 radiator swap?
Tried again this afternoon and it worked fine. Not sure what was up with my computer this morning. Thanks to 69 Mod for posting the info also. Looks like some good quality stuff!
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1967 GMC 1500 SWB. Driving this truck since I was 14. |
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#13 |
Registered User
Join Date: Dec 2014
Location: Hutto
Posts: 109
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Re: '73-'87 radiator swap?
Please note that you must be a supporting member to post classified items. This includes but is not limited to What Its Worth, Want To Buy, Want To Trade, and For Sale. Please consider supporting the forum by subscribing. Further information on the subscription levels available are located here
If you need any further assistance with that please contact any Admin for help. Last edited by ETsC10; 03-19-2015 at 05:08 PM. |
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#14 |
Account Suspended
Join Date: Apr 2016
Location: Rancho Mirage, Ca.
Posts: 875
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Re: '73-'87 radiator swap?
Not quite right. I have a 68 C10 that I just found out that it has a 73 + & up automatic style radiator in it and the Fan Shroud fit like a glove. 68 truck to a 73+& up fan shroud, works fine just like my 40 year old marriage!
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#15 | |
Account Suspended
Join Date: Apr 2016
Location: Rancho Mirage, Ca.
Posts: 875
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Re: '73-'87 radiator swap?
Quote:
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#16 |
Account Suspended
Join Date: Apr 2016
Location: Rancho Mirage, Ca.
Posts: 875
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Re: '73-'87 radiator swap?
I am sorry this post was worded wrong, it should have said; 68 truck to a 73+ & up radiator and a 67-72 SBC fan shroud, works fine just like my 40 year old Marriage! thats what i meant to say.
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#17 |
Registered User
![]() Join Date: Feb 2007
Location: Star Valley, WY
Posts: 2,038
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Re: '73-'87 radiator swap?
I had a '73+ 3 core rad and an '81+ small block shroud in mine until just recently when I switched to a new 4 core and dual electric fans.
__________________
Steve 1971 GMC Longbox. Full Roller Stroker 489 w/ FiTech EFI, Chris Straub Cam/NV4500/205/D60/14B w. Grizzly Locker and 4.11's. 2" Lift on 33's |
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#18 |
Registered User
Join Date: Jul 2011
Location: strausstown pa
Posts: 3,394
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Re: '73-'87 radiator swap?
Don't forget that the vans of the same era as squares had the same rads as most of the trucks. Most times the shrouds fit too.
The oe rads with the angled lower hose nipple work and fit the best though.
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81 camaro 355 4/spd 342 posi my first love ![]() 67 swb step 454/4spd ott 373 posi 4/7 drop. 2000 s10 zr2 little blue truck that never gets stuck. '74 heald super bronc vt8. tecumseh powered moon rover. |
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#19 |
Account Suspended
Join Date: Apr 2016
Location: Rancho Mirage, Ca.
Posts: 875
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Re: '73-'87 radiator swap?
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#20 |
Account Suspended
Join Date: Apr 2016
Location: Rancho Mirage, Ca.
Posts: 875
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Re: '73-'87 radiator swap?
Yah your right about the angled hose nipple. My lower hose because of it being a straight nipple it puts a bad bend in it. Other people on this forum has said the 73-80 Chevy 350's & GMC 305's trucks lower radiator hoses will work. I need to look at those hoses to see if they will work and not have that bend in them. I took my hoses off today and measured radiator, intake manifold water outlet, and water pump as needed for the right fitments, thank for the info
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