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Old 10-19-2021, 01:41 PM   #2
tinydb84
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Location: San Jose Ca
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Re: 1978 upper radiator hose 4.8 swap

Quote:
Originally Posted by chevyrides View Post
I have read that people are using the stock 1999-2006 upper hose for their swap. The radiator side of this hose is 1.25" I.D. and my stock radiator is about 1.5". Are they using a 1.25" - 1.5" reducer or do some radiators have a 1.25" connector?
My upper and lower hoses matched my radiator but I am using a 75 C20 radiator.

ICT Billet makes an adapter: https://www.amazon.com/Splice-Couple...s%2C220&sr=8-4
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