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Old 08-28-2013, 04:56 PM   #1
gixxer711
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upper radiator hose

I have done the search and the threads I have found are older. I am wondering if anyone has found a preformed hose for 350 V8? I am flexible on water outlet as I am swapping intake right now. My intake will take filler tube, which I am considering running.
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Old 08-28-2013, 05:07 PM   #2
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Re: upper radiator hose

I think we need a photo or at least a description of where the hose comes out of the radiator. On my 62 the hose comes out of the middle of the top of the radiator. If that is what you have I can tell you what hose I used.
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Old 08-28-2013, 05:25 PM   #3
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Re: upper radiator hose

Should be stock. Top hose comes out the driver's side of radiator. From what I understand, 63-66 is different from 60-62.
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Old 08-28-2013, 06:31 PM   #4
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Re: upper radiator hose

NAPA know how!

http://www.napaonline.com/Catalog/Re...0014%2b2014024

LMC Truck
http://www.lmctruck.com/icatalog/cbe/full.aspx?Page=33

I used aluminum swivel neck with o-ring. Gives you room to make adjustment for hose.
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Old 08-28-2013, 06:50 PM   #5
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Re: upper radiator hose

Quote:
Originally Posted by LVPhotos View Post
NAPA know how!

http://www.napaonline.com/Catalog/Re...0014%2b2014024

LMC Truck
http://www.lmctruck.com/icatalog/cbe/full.aspx?Page=33

I used aluminum swivel neck with o-ring. Gives you room to make adjustment for hose.
Thanks for looking. Once you narrow Napa's search down to V8, you are left with a flexible hose. I have seen LMC's, but I am looking to find something by this weekend.

I do have the aluminum swivel neck outlet, which is why I wasn't concerned with which neck.
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Old 08-28-2013, 08:47 PM   #6
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Re: upper radiator hose

I drew out what I was looking for, then went to the local parts store and looked through their selection of hoses until I found one with the shape I needed.
The universal flexible hoses suck.

-Brad
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Old 08-29-2013, 01:14 AM   #7
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Re: upper radiator hose

Somewhere I have the part number for a hose from Car Quest, that works with the straight thermostst housing and the '63-'66 V8 radiator. I'll have to look for it......it was posted here some time ago, but I don't remember who posted it.
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Old 08-29-2013, 10:00 AM   #8
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Re: upper radiator hose

If you're still looking for a part number I installed a Dayco #70344 on mine. It's a 1963 with a 350 out of a 1972). I trimed about 1 1/2 " off the long side and it clears under the factory '72 air filter assembly without any issues.
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Old 08-29-2013, 11:01 AM   #9
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Re: upper radiator hose

Quote:
Originally Posted by Captainfab View Post
Somewhere I have the part number for a hose from Car Quest, that works with the straight thermostst housing and the '63-'66 V8 radiator. I'll have to look for it......it was posted here some time ago, but I don't remember who posted it.
I called Car Quest and they only list a flexible hose, but if you come across it, maybe it can be crossed over.
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Old 08-29-2013, 11:07 AM   #10
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Re: upper radiator hose

Quote:
Originally Posted by G-Money View Post
If you're still looking for a part number I installed a Dayco #70344 on mine. It's a 1963 with a 350 out of a 1972). I trimed about 1 1/2 " off the long side and it clears under the factory '72 air filter assembly without any issues.
Thanks, Auto Zone shows that in stock. Is that with the angled outlet? Have a pic?
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Old 08-29-2013, 11:17 AM   #11
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Re: upper radiator hose

If you can wait till later tonight I'll take a picture for you.
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Old 08-29-2013, 11:50 AM   #12
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Re: upper radiator hose

Quote:
Originally Posted by G-Money View Post
If you can wait till later tonight I'll take a picture for you.
Sure, I won't be picking up everything until tomorrow night.

What side is your alternator on?
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Old 08-29-2013, 02:49 PM   #13
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Re: upper radiator hose

I got lucky and scored an OEM upper pipe with my used V8 radiator. I have the OEM t-stat housing(straight)- just added new rubber hoses to the ends. it clears my serpentine drive very well and looks somewhat original.
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Old 08-29-2013, 03:33 PM   #14
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Re: upper radiator hose

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Originally Posted by tincan1966 View Post
I got lucky and scored an OEM upper pipe with my used V8 radiator. I have the OEM t-stat housing(straight)- just added new rubber hoses to the ends. it clears my serpentine drive very well and looks somewhat original.
So is that why there isn't an upper hose available, because the original was a pipe?
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Old 08-29-2013, 03:45 PM   #15
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Re: upper radiator hose

To the best of my knowledge, yes. There was not a molded upper hose on the V-8. Any that I have seen as original have the steel pipe and about 3 1/2" of rubber hose at each end..
Depending on the setup and t=stat housing, alternator location, etc, you may be able to make a later model hose work. the problem is that starting in 1967 the radiator is a crossflow type and therefore wider than the '60-66, so consequently the hose is longer.

I am sure others will chime in on this theory. some guys have had pipes made for their setup, so it can look stock, but be a custom application. Any exhaust shop can make one from 1 1/2" OD pipe. On the t-stat end have it swelled to 1 3/4" OD to make getting hoses easier.
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Old 08-29-2013, 09:02 PM   #16
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Re: upper radiator hose

Quote:
some guys have had pipes made for their setup, so it can look stock, but be a custom application. Any exhaust shop can make one from 1 1/2" OD pipe. On the t-stat end have it swelled to 1 3/4" OD to make getting hoses easier.
I went this route for my truck (w/ 283). Cost maybe $6. If you're lucky they can make one out of stainless steel.
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Old 08-29-2013, 10:13 PM   #17
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Re: upper radiator hose

Halfway down the page:

http://4-5-6chevytrucks.com/new-parts.html
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Old 08-29-2013, 11:20 PM   #18
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Re: upper radiator hose

Thanks. I really don't want to do the pipe on this truck but I will probably do it on my 64.
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Old 08-30-2013, 01:08 AM   #19
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Re: upper radiator hose

I looked and wasn't able to find that number yet. I'll keep looking.

You're not going to find a listing for one in any parts books, since there wasn't one originally as mentioned above.


Quote:
Originally Posted by gixxer711 View Post
I called Car Quest and they only list a flexible hose, but if you come across it, maybe it can be crossed over.
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Old 08-30-2013, 10:08 AM   #20
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Re: upper radiator hose

Here's the pictures of that hose, I have the shroud off right now and I changed air cleaners but it clears the factory '72 350 air cleaner without a problem.

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Old 08-30-2013, 10:23 AM   #21
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Re: upper radiator hose

Quote:
Originally Posted by Woogeroo View Post
This was in my notes from ages ago, someone on a forum somewhere posted that it worked... part number may have changed :


Top Radiator Hose

For a v8 engine in a 60-66 chevy truck,
with a stock v8 radiator, or similiar to
stock in the locations of the send and return hoses.
This preformed hose, which is for a later model
chevy truck, has been written to fit for this application.

-----

Napa Hose

Part # NBH 7595

Chevy 73-76 1/2 ton
Thanks!

I think I will get that one and the one G-Money recommended and see where they land, since I have an adjustable water outlet.
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Old 09-09-2013, 12:47 PM   #22
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Re: upper radiator hose

I ended up using a Gates 20416 that I trimmed a couple inches off the thermostat end, which is the equivalent to the one G-Money is using. The other pain was that I had to stretch the hose onto the radiator, since the inlet is 1.75" for some reason.





I picked up a couple other hoses and the one below, Gates 20868, would probably work well with a center mounted forward pointing thermostat housing with some trimming.




Note: for the bottom I used a Gates 20637, which is the equivalent to the Auto Zone recommendation. Keep in mind my truck has the long water pump.
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Old 10-02-2013, 11:52 PM   #23
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Re: upper radiator hose

I finally found the part number I was looking for, for that upper radiator hose. It is Car Quest #20607. I can't take credit for finding that hose, it was member Sillyoldman that found it. You can see a couple installed pics in Sillyoldman's build thread on his '63.

http://www.67-72chevytrucks.com/vboa...=248758&page=5
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Old 10-06-2013, 07:53 PM   #24
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Re: upper radiator hose

I have a 66 c10 with a 350. I used an upper hose for a 1962 impala with a 327. The motor has an angle thermostat housing with the radiator outlet on the drivers side. For me, it fit like it was ade for it.
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Old 10-06-2013, 08:06 PM   #25
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Re: upper radiator hose

I used a NAPA 7575 on mine. My water neck points forward and up but it this hose might work better with a neck that goes a little to the left. Upper radiator fitting is on the left side and straight back.
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