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Old 09-01-2015, 11:07 PM   #1
derotoreut
Roto Reuter thats the name...
 
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Join Date: Feb 2010
Location: Darien, NY
Posts: 1,853
LSx radiator hose sizes?

What are you guys using for your LS swap radiators? And what are the hose sizes? It seems that radiator hose sizes vary from radiator suppliers. I've found some that use 1-1/2" for both upper and lower, some use 1-5/16" for both upper and lower and some use 1-1/4". I measured the upper and lower connections on my LS3 and found that the upper connection (not the barb) is 1.3", which is close to 1-5/16". The lower connection is 1.56", or 1-1/2". Thanks.
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My 70 K10 SWB build:http://67-72chevytrucks.com/vboard/s...d.php?t=782232
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1970 SWB Fleet K10 4X4, 5.3L LM7, 4L60E, Dakota Digital RTX, Vintage Air, Ididit tilt
1971 SWB Fleet C10 - Original SWB Arizona truck, new custom restoration project

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