Dedicated to the Promotion and Preservation of American Muscle Cars, Dealer built Supercars and COPO cars. |
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#1
03-02-2026, 03:20 AM
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Radiator Hose...
I am planning to install an L88 style thermostat housing on our 70 L78 TH400 Nova...need to confirm proper hose to use. I found this image of an L88 installed in a 1968 Camaro...looks like what I need.
Did a little research and it may be a 1968 Z28 upper hose, but I'm not sure. Any help is appreciated. -wilma
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02 Berger 380hp #95 Lots of L78 Novas Join National Nostalgic Nova! 70 Orange Cooler 69 Camaro 
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#2
03-02-2026, 11:03 AM
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This upper hose, on my 1968 Z/28 was bought at GM years ago. If you need me to measure, I can do that...Joe
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1968 Z/28 Corvette Bronze. Black Hounds Tooth. 02E Los Angeles born 3/13/1968 pnt OO 1969 SS396 Yellow/Yellow 08E Norwood born 8/28/1969 pnt 76E 1970 'cuda Moulin Rouge, 440-6, 4 speed
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#3
03-02-2026, 05:57 PM
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Radiator Hose...
joe...
Your hose looks a little different from the hose in the photo I posted...But it may very well work. Please send me measurements and the part number on the hose. Many thanks for reaching out. Tom
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02 Berger 380hp #95 Lots of L78 Novas Join National Nostalgic Nova! 70 Orange Cooler 69 Camaro
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#4
03-02-2026, 06:14 PM
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Tom
The hose on the Z/28 is a 3892650. It's 18" from the farthest points. The Z/28 also uses a 21" core. I Looked at my 69 ss396 & it has a 23" core but it's a gooseneck car because of a/c, so that probably wouldn't work either....Joe
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1968 Z/28 Corvette Bronze. Black Hounds Tooth. 02E Los Angeles born 3/13/1968 pnt OO 1969 SS396 Yellow/Yellow 08E Norwood born 8/28/1969 pnt 76E 1970 'cuda Moulin Rouge, 440-6, 4 speed
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