1st Generation Specific (1979-1985) 1979-1985 Discussion including performance modifications and technical support sections

Radiator overflow hose size needed

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Old 12-13-14, 08:47 AM
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Radiator overflow hose size needed

Hi guys,
I seem to have misplaced my radiator overflow tank. Can someone tell me what size hose is used? Or better yet, what size the nipple is on it? Thanks.
Old 12-13-14, 09:48 AM
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I used 6AN nylon braided hose.

Old 12-13-14, 11:52 AM
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Id say 3/8" or 5/16".
Old 12-13-14, 11:59 AM
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5/16"
Old 12-13-14, 12:01 PM
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Thanks guys
Old 12-13-14, 10:39 PM
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That braided hose is cool looking, I'm digging it!
Old 12-14-14, 05:08 PM
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My dumba$$ didn't think to check the radiator. So ID of the nipple is 1/4in so need to find aluminum barb with the same size. Am wanting to weld an aluminum barb onto existing REW cap assembly instead of getting S4 cap assembly with nipple which is plastic.
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