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radiator hose to cap adapter

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Old 03-01-2018, 10:07 PM
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Default radiator hose to cap adapter

want to pressure test without a radiator
maybe use one of those aluminum in line hose to filler cap adapters
and put my pressure tester on it.
Idea is to cap off the heater hoses,loop the upper and lower together with this adapter in between,.
I know Ive seen these for hotrods before......?
Old 03-01-2018, 10:29 PM
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Have you Googled "inline radiator cap adapter"? I just did, and found a ton of them.
Old 03-02-2018, 12:31 PM
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yea and they all fit an LS motor too
Old 03-02-2018, 12:33 PM
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just came back from Advance Auto
tried a Dorman 902-305
just a little too big for top hose
Old 03-03-2018, 08:52 PM
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ordered a Moroso 1-1/4x1-1/4 no one makes (that I could find) a 1-3/8x1-1/4
hope I can stretch the hose out
Old 03-03-2018, 10:11 PM
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It should stretch that much, especially if you stick the end of the hose in hot water, plus use a little Dawn soap in the water to make it a little more slippery.




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