Extra cooling? Looking for radiator hoses
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Tuned
Joined: Aug 2024
Posts: 406
Likes: 248
Extra cooling? Looking for radiator hoses
I have a 1976 F100 with inline 300. The truck was produced in Sep 1975.
everywhere I look the hose descriptions state w/extra cooling and/or AC. I assume the AC and “extra cooling had wider radiators?
mine is 18.75 inches wide and has upper hose on the drivers side.
everywhere I look the hose descriptions state w/extra cooling and/or AC. I assume the AC and “extra cooling had wider radiators?
mine is 18.75 inches wide and has upper hose on the drivers side.
Lead Driver
Joined: Jun 2006
Posts: 5,674
Likes: 995
From: Near Yosemite CA
I believe it also determines the upper and lower inlet/oulet size, my best bet has been going to Napa with the truck and see what they say fits, and what actually fits... I rplc'd the 352 in one of my 66's with a 300 and kept the V8 radiator... made for a pain getting hoses.
Thread Starter
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Tuned
Joined: Aug 2024
Posts: 406
Likes: 248
I believe it also determines the upper and lower inlet/oulet size, my best bet has been going to Napa with the truck and see what they say fits, and what actually fits... I rplc'd the 352 in one of my 66's with a 300 and kept the V8 radiator... made for a pain getting hoses.
I don’t know what the PO did but the upper hose has a spring in it, that’s a new one for me considering it’s the outlet/pressure not suction side.
Cargo Master
Joined: Sep 2007
Posts: 2,470
Likes: 535
From: Chandler, AZ
You can measure the radiator inlet and outlet sizes, then you know what hose will fit before going to the store. The A/C or extra cool simple have larger hose connections on radiator side only.
I have A/C truck. Lower is 2", upper is 1-3/4. Both upper and lower have different sizes on either end. The standard radiator typically has hoses that are the same size on each end.
Rock auto is a good source to see what the difference are.
I have A/C truck. Lower is 2", upper is 1-3/4. Both upper and lower have different sizes on either end. The standard radiator typically has hoses that are the same size on each end.
Rock auto is a good source to see what the difference are.
Hotshot
Joined: Feb 2004
Posts: 10,825
Likes: 2,609
From: The Shenandoah Valley
I have used the universal flex hoses before, they work fine too. Coolant only flows but just so fast anyway as there is a thermostat controlling flow rates to the radiator from the engine.
Thread Starter
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Tuned
Joined: Aug 2024
Posts: 406
Likes: 248
You can measure the radiator inlet and outlet sizes, then you know what hose will fit before going to the store. The A/C or extra cool simple have larger hose connections on radiator side only.
I have A/C truck. Lower is 2", upper is 1-3/4. Both upper and lower have different sizes on either end. The standard radiator typically has hoses that are the same size on each end.
Rock auto is a good source to see what the difference are.
I have A/C truck. Lower is 2", upper is 1-3/4. Both upper and lower have different sizes on either end. The standard radiator typically has hoses that are the same size on each end.
Rock auto is a good source to see what the difference are.
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Lead Driver
Joined: Jun 2006
Posts: 5,674
Likes: 995
From: Near Yosemite CA
^ THIS ^ I have used flex hoses a number of times, as long as you know inlet/outlet sizes and engine side also.
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Thread Starter
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Tuned
Joined: Aug 2024
Posts: 406
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I think I found the pre molded ones on Rockauto this morning, if someone local or rock auto doesn’t have them then flexi it is. These 300’s run really cool anyway.
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