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Heater hose routing

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Old 09-13-2011, 06:41 PM
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Default Heater hose routing
I have two ports coming out of the side of the LS1 water pump. One is larger than the other. I need to know which one is the supply and which one is the return. I am installing the Vintage Air system and need to know how to route my hoses. Any help would be greatly appreciated. Thanks
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Old 09-13-2011, 07:13 PM
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tsnow, this should help!
https://ls1tech.com/forums/conversio...-question.html
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Old 09-13-2011, 07:49 PM
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Small outlet is supply, large outlet is return
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Old 09-13-2011, 07:53 PM
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Originally Posted by gMAG
You are the man! Thanks that was a big help!!
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Old 09-13-2011, 07:54 PM
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Originally Posted by lizeec
Small outlet is supply, large outlet is return
Thanks lizeec!
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Old 09-14-2011, 01:15 PM
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Awsome, good info to know
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Old 09-14-2011, 03:57 PM
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Originally Posted by usmcz28
Awsome, good info to know
x2...
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Old 09-14-2011, 10:12 PM
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most system will usually be small is pressure and larger is return. Take a look at your radiator, power steering and AC system.. Easy to remember...
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Old 09-15-2011, 04:11 AM
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Originally Posted by bczee
most system will usually be small is pressure and larger is return. Take a look at your radiator, power steering and AC system.. Easy to remember...
You know I never put the connection together before starting this thread. Its funny how you change out all these lines over the course of years and never realized why one was larger than the other. Thank bczee and all of the others that helped out. I have my routing solved onto the next issue!!! Thanks again
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