upper & lower hoses

Water pump, hoses, fan, and radiator & A/C

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upper & lower hoses

Postby fastteddy » Thu Feb 16, 2017 4:52 pm

Can someone help me 1995 s10 swap need upper & lower radiator hoses, and thermostat housing. using corvette water pump and griffin S10 radiator
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Re: upper & lower hoses

Postby polkaudio » Mon Jun 19, 2017 4:58 pm

What's the part number of your Griffin radiator, and how much did it cost?

I'm looking for a replacement to the second Superior Radiator I just pulled out.

I have a '95 as well. For the lower I cut a section from the stock 4.3 hose and spliced it back together. The upper is a 77-78 Firebird, you'll need reducers as it's 1 1/2" ID. I'm looking for a something in that shape but smaller. Supposedly the upper hose for the Gen 1 truck will work.
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Re: upper & lower hoses

Postby Aeronau-tech » Mon Aug 28, 2017 6:22 pm

I would like to piggyback on this post. I have a gen1 small block with s Swivel neck 15 degree thermostat housing. And my radiator is a superior dual pass radiator with both upper and lower hose connections on the Pax side. Upper one is 1.250 " and the lower is 1.5" . My water pump has a 2" inlet. Having a crazy time trying to fit hoses. Btw it is an 87 dime
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Re: upper & lower hoses

Postby ChevelleFan » Wed Aug 30, 2017 1:30 pm

Something you might consider is buying a couple 90s or 45s from Summit in the appropriate ID, cut them to appropriate length, and use a coupler to connect them. That's how I made the lower hose my Blazer when I bought a new Griffin radiator. I used a size adapter for my existing upper hose. Since the upper hose is longer, you can also use some pieces of exhaust pipe for straight sections. It's a little trial and error on the cutting/fitting.

90* hose: https://www.summitracing.com/parts/sum-294041/overview/
Coupler: https://www.summitracing.com/parts/sum-380601/overview/
Size adapter: https://www.summitracing.com/parts/spe-7814/overview/ I had to use a metal sleeve inside of this that I found in the exhaust bits section of my local hardware store.

These should give you a couple ideas. Hope it helps.

-Dave
'85 S10 Blazer -- 350 Vortec w-220/227, 700r4/3.42, ZQ8 suspension -- in progress!
'70 Chevelle -- ZZ383 efi/700r4/3.55, 12.18 @ 109
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