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Apr 26th, 2026 | | AD Chevy Trucks  Over 6,000 pictures Brad Allen has an awesome collection of Chevrolet factory pictures that he has set up from film strips. Check them out!
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| | | | Joined: Nov 2012 Posts: 185 'Bolter | | 'Bolter Joined: Nov 2012 Posts: 185 | Want to replace my radiator hoses upper and lower with new hoses. Not having any luck finding replacement hoses. The circumference measurements are as follows, radiator top hole 1 1/4", bottom hole 1 1/2", small short shank water pump outlet 1 3/4", and inlet atop the intake that holds the thermostat is 1 1/2". Does anyone besides me have this same setup and have conquered this problem with correct new hoses that fit or tell me what I have to do. My measurements are very approx. using a tape measure, Thanks HUGH | | | | | Joined: Feb 2004 Posts: 29,805 Kettle Custodian (pot stirrer) | | Kettle Custodian (pot stirrer) Joined: Feb 2004 Posts: 29,805 | There's a simple, quick fix that I learned while working in a radiator shop. Buy a flex hose that fits the bigger diameter, such as the 1 1/2" thermostat housing, and cut a short section of 1 1/4" hose to slip over the upper nipple on the radiator. Install this piece on the radiator nipple WITHOUT SEALER OR ADHESIVE and slip the larger hose over it. Clamp it snugly with a worm-drive hose clamp, and it will be secure and leakproof. Do the same thing with the lower hose, adapting the larger diameter hose to the smaller radiator nipple with a reducer sleeve. This has worked for me on race engines with 20+ PSI radiator caps.
Jerry
"It is better to be silent and be thought a fool than to speak and eliminate all doubt!" - Abraham Lincoln
Cringe and wail in fear, Eloi- - - - -we Morlocks are on the hunt!
There is nothing noble in being superior to your fellow man; true nobility is being superior to your former self. - Ernest Hemingway
Love your enemies and drive 'em nuts!
| | | | | Joined: Nov 2012 Posts: 185 'Bolter | | 'Bolter Joined: Nov 2012 Posts: 185 | Update, found a fix for this problem. Will post again as soon as I can get out and finish this repair. Thanks HUGH
Last edited by kahoys; 05/10/2015 7:02 PM.
| | | | | Joined: Aug 2007 Posts: 1,859 Grumpy old guy playing with trucks, cars, and boats | | Grumpy old guy playing with trucks, cars, and boats Joined: Aug 2007 Posts: 1,859 | dayco sells hose bushings. available at any napa or car quest.
The problems we face today can not be addressed at the same level of intelligence we were at when we created them - Albert Einstein Or with the same level of $ - Me
| | | | | Joined: Nov 2012 Posts: 185 'Bolter | | 'Bolter Joined: Nov 2012 Posts: 185 | Finally was able to get out and finish the repair on my 1952 Chevy 1/2 ton pickup with original radiator and a 283 sbc. All 5/8" heater hose replaced today along with 180 degrees thermostat, water pump (short shaft), top radiator hose Dayco #81081, 1 1/4" - 1 1/2" x 15 1/2", bottom radiator hose Dayco #81231, 1 1/2" - 1 3/4" x 13 1/4". Stock radiator was taken out flushed and pressure checked with no leaks and reinstalled. These radiator hoses fit like a glove, exact size and length, really made this repair a breeze. I have the original heater that I had re-cored with a heater core for a mid 60's Ford Falcon. Removed the end caps and had my ends re-soldered onto it to ensure an original fit. Cleaned and repainted all affected areas while everything was out. It has been a busy day thanks to all for your help and inputs. A wealth of knowledge on this site. Thanks HUGH | | | | | Joined: Mar 2010 Posts: 10,280 Renaissance Man | | Renaissance Man Joined: Mar 2010 Posts: 10,280 | What style heater takes the Falcon core?
Carl
1952 5-window - return to "as built" condition | 1950 3100 with a 235 and a T-5 transmission
| | | | | Joined: Nov 2012 Posts: 185 'Bolter | | 'Bolter Joined: Nov 2012 Posts: 185 | Not sure how to bring a pic forward to this topic as my son is sleeping and will have to wait til he wakes up, but if you look at my list of all post's there is a picture of that heater, thanks HUGH | | | | | Joined: Nov 2012 Posts: 185 'Bolter | | 'Bolter Joined: Nov 2012 Posts: 185 |
Last edited by kahoys; 05/18/2015 2:51 AM.
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