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chevyrides · 10-23-2021, 11:14 AM

I ended up buying a Spectra Premium CU161 radiator off Amazon and the 1999-2006 upper and lower radiator hoses worked perfect. The upper hose connection was stepped 1-1/4" - 1-1/2"

10-23-2021, 11:14 AM	#3
chevyrides Registered User Join Date: Apr 2018 Location: Campbell River, BC Posts: 7	Re: 1978 upper radiator hose 4.8 swap I ended up buying a Spectra Premium CU161 radiator off Amazon and the 1999-2006 upper and lower radiator hoses worked perfect. The upper hose connection was stepped 1-1/4" - 1-1/2"