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68 SB lower rad hose

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Old Oct 24, 2019 | 05:24 PM
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Default 68 SB lower rad hose

So I had my lower radiator hose blow up on me yesterday , luckily the car was at home and I had just parked it.

is the gates 20813 the correct replacement?

this is the hose that’s on there now



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Old Oct 24, 2019 | 07:17 PM
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Not a big fan of those "ribbed" re-enforced type hoses. I believe they hinder flow in my opinion. Maybe find something else with a smooth surface inside & out.
Must have an internal support spring too. Keep looking.
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Old Oct 24, 2019 | 09:27 PM
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Do all hoses come with the internal spring? Any particular model or will any generic one fit.
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Old Oct 24, 2019 | 09:52 PM
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20813 is for BB.
SB for manual no AC is 20811
look at the Gates site
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Old Oct 25, 2019 | 06:25 AM
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Originally Posted by titanle
Do all hoses come with the internal spring? Any particular model or will any generic one fit.
no they all dont come with the spring now a days. Either pull the spring from the bad hose or find a generic stainless steel spring. There was a thread from a year or two ago talking about springs.

The last hose I looked up actually came with a spring which was nice to see. I havent bought anything yet though

Last edited by Rescue Rogers; Oct 25, 2019 at 06:26 AM.
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Old Oct 25, 2019 | 08:25 AM
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Originally Posted by titanle
Do all hoses come with the internal spring? Any particular model or will any generic one fit.
Judging by the look of your old hose, somebody threw away the spring because they would not use both ribbed hose & spring.
Shop around on some Vette vendors for the PROPER HOSE. Then you will know it is the correct diameter, the correct length and has the correct pre-bent form to it. This is not a place to use generic stuff. Do it right.
Try Zip Corvettes, Keen, Wilcox, etc.
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Old Oct 25, 2019 | 08:59 AM
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It's just a hose spring. When you pull it out it goes straight. It just needs to be close to the inside diameter to keep the hose from collapsing and stainless steel to keep it from rusting
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Old Oct 25, 2019 | 08:58 PM
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I found a hose at the local parts shop that looks pretty much identical to the one I removed. It did not have the metal spring inside but instead it has the spring built into it. It fit pretty good, I did have to trim just a tad from the end but it seems to fit just like the old one did.
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Old Oct 26, 2019 | 10:53 PM
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I just got the Gates hose this wk,,, no spring,
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Old Oct 26, 2019 | 10:55 PM
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The ac delco one has it built in. You can see it protruding out of the hose in a spiral pattern.
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Old Oct 27, 2019 | 10:15 AM
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you need to hunt around for a hose spring like this

https://www.thepartsplaceinc.com/pro...-17-long/99442

https://www.ebay.com/sch/i.html?_fro...pring&_sacat=0

Last edited by Rescue Rogers; Oct 27, 2019 at 10:17 AM.
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