LS Swap Radiator Hoses - Team Camaro Tech
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post #1 of 16 (permalink) Old Apr 21st, 16, 10:19 AM Thread Starter
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LS Swap Radiator Hoses

So as I'm getting closer to firing up the LSX swap one of the items remaining is to get rad hoses. Since I'm in the middle of nowhere Canada I am wondering if anyone has any possible Chevy or equivalent parts numbers for some radiator hoses that would work with my set up. Did a search online to see if I could find anything but no luck.






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post #2 of 16 (permalink) Old Apr 21st, 16, 02:18 PM
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Re: LS Swap Radiator Hoses

I've got the gates #s somewhere that should work.

The top hose is easy the bottom one is tricky

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post #3 of 16 (permalink) Old Apr 21st, 16, 02:34 PM Thread Starter
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Re: LS Swap Radiator Hoses

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Originally Posted by Vega$69 View Post
I've got the gates #s somewhere that should work.

The top hose is easy the bottom one is tricky
If you did have those that would be awesome, thanks John. I believe the local parts store in town can get Gates so that would be better than having to make a trip to pick some up from a dealer.

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post #4 of 16 (permalink) Old Apr 21st, 16, 03:20 PM
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Re: LS Swap Radiator Hoses

I used a stock 68 camaro v-8 lower on mine, and a 99 tbird v-6 for the upper, sorry i don't have the numbers here at work for them. It looks like you are using the same waterpump and serp setup that i am using.

Hope that helps.

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post #5 of 16 (permalink) Old Apr 21st, 16, 03:46 PM
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Re: LS Swap Radiator Hoses

Upper: Gates 22373 (this is a lower hose for something like a Buick LaCrosse, but it's a great fit)

Lower: Dayco 71244 (this a lower hose for some kind of 85-95 Chevy/GMC truck)
U-Shaped return for heater delete: Gates 18743 (this has a 5/8" end and a 3/4" end, it just needs to be cut to length)


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post #6 of 16 (permalink) Old Apr 22nd, 16, 04:45 AM
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Re: LS Swap Radiator Hoses

I used the part numbers here in post 16 of My 67 Camaro Build/Photos - LS1TECH works great with a stock style Be Cool radiator (1 1/2, 1 3/4 outlets) without any issues.

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post #7 of 16 (permalink) Old Apr 22nd, 16, 07:59 AM Thread Starter
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Re: LS Swap Radiator Hoses

Quote:
Originally Posted by 67Rally View Post
Upper: Gates 22373 (this is a lower hose for something like a Buick LaCrosse, but it's a great fit)

Lower: Dayco 71244 (this a lower hose for some kind of 85-95 Chevy/GMC truck)
U-Shaped return for heater delete: Gates 18743 (this has a 5/8" end and a 3/4" end, it just needs to be cut to length)
Quote:
Originally Posted by 130fe View Post
I used the part numbers here in post 16 of My 67 Camaro Build/Photos - LS1TECH works great with a stock style Be Cool radiator (1 1/2, 1 3/4 outlets) without any issues.
Thanks guys this is a huge help!

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post #8 of 16 (permalink) Old Apr 22nd, 16, 09:28 AM
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Re: LS Swap Radiator Hoses

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Thanks guys this is a huge help!
No problem. Here's a link to my hoses. I'm also using a BeCool Radiator with the larger lower outlet. I originally tried an 04-06 GTO lower hose, but it was 1 1/2" instead of 1 3/4", and you can see how stressed it was even though I managed to slip it on.
https://www.camaros.net/forums/56-pro...ml#post1812656


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post #9 of 16 (permalink) Old Apr 22nd, 16, 09:31 AM
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Re: LS Swap Radiator Hoses

Hey, I just noticed that your water pump outlet is on the passenger side of the crank pulley, mine is on the drivers side, so my upper part number won't work.


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post #10 of 16 (permalink) Old Apr 22nd, 16, 01:12 PM
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Re: LS Swap Radiator Hoses

Hmmm, I thought LS radiators had both the upper and lower hose outlets on the same side ??? Is this incorrect ??

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post #11 of 16 (permalink) Old Apr 22nd, 16, 01:55 PM Thread Starter
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Re: LS Swap Radiator Hoses

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Originally Posted by DT View Post
Hmmm, I thought LS radiators had both the upper and lower hose outlets on the same side ??? Is this incorrect ??
I don't know if I know enough to say all the manufacturers that make LS swap specific radiators have the inlet and outlet ports on the passenger side, but any that I have seen are like that. My radiator however is just a universal one from flex-a-lite which wasn't even installed by me, hence no thought of the LS design, and was more concerned with the old small block coolant hose routing.

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post #12 of 16 (permalink) Old Apr 22nd, 16, 06:01 PM
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Post Re: LS Swap Radiator Hoses

I am using the corvette accessories with the corvette water pump and the hoses that I referenced earlier. I am also using a 23 inch Be Cool 67-69 Camaro radiator (big block style). Here are a couple of pictures. Here is the lower hose-
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post #13 of 16 (permalink) Old Apr 22nd, 16, 06:02 PM
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Re: LS Swap Radiator Hoses

Here is a picture of the upper hose-
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post #14 of 16 (permalink) Old Nov 10th, 17, 10:01 AM
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Re: LS Swap Radiator Hoses

This post is just what I have been looking for. Chris, can you tell me what upper hose that is?

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post #15 of 16 (permalink) Old Nov 10th, 17, 10:30 AM
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Re: LS Swap Radiator Hoses

Ryan, this is from the LS1tech post listed above. Hope this helps!

A 2 hour foray @ PepBoys led me to these...upper (E)71911 & lower (D)71426CS.
No matter which of the two upper hoses were used, there was a little bending involved to make them fit, and I thought that the hose might suck closed at the bends. Another trip to Advance Auto for a hose containing a long spring. You can buy the cheapest one...the idea being that the spring is removed from THAT hose, then cut in two sections, then each section of spring worked into each bend in your new upper hose. This worked well.

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