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LT1-LT4 Modifications 1993-97 Gen II Small Block V8

HVAC removal

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Old Jan 9, 2009 | 05:50 PM
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Default HVAC removal
so i removed all of the HVAC system, but now i am not sure what to do with the water pump outlets for the heater hoses. I removed everything, not just the ac. I tried a search but most refer to removing just the ac. thanks
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Old Jan 9, 2009 | 05:59 PM
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i just looped them together on my car...
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Old Jan 9, 2009 | 07:44 PM
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yeah i finally figured that out, (found in another thread). i am still a noob. thanks though.
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Old Jan 9, 2009 | 08:17 PM
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no prob. what did you end up doing with yours? looping them or just capping them?
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Old Jan 9, 2009 | 10:04 PM
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looped it, but now i have a bigger problem. a fuel leak from the regulator.
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Old Jan 9, 2009 | 10:09 PM
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i think looping them is a good decision. i did that in my friends 98 and havent had a single problem with it. next will be my 93 when i decide too
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Old Jan 10, 2009 | 11:44 AM
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Yea, looping them works without a problem.
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Old Mar 27, 2010 | 11:54 AM
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Originally Posted by the_merv
Yea, looping them works without a problem.
Pardon my noob question here.... what is the difference between looping them and capping them off? I'm in the process of removing my system right now. this project really blows so far.
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Old Mar 27, 2010 | 12:12 PM
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Looping them will help the Water Pump out cause the Coolant will flow the way it's designed to.
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Old Mar 27, 2010 | 01:14 PM
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hmm.. okay, so do I just take the existing hose and hook them up together?
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Old Mar 27, 2010 | 01:18 PM
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Pretty much..there is hose made specifically for that.
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Old Mar 27, 2010 | 01:45 PM
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i used freeze plugs
Attached Thumbnails HVAC removal-dsc00322.jpg   HVAC removal-dsc00323.jpg  
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Old Mar 27, 2010 | 01:56 PM
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LT1 is a little different..
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Old Mar 27, 2010 | 02:52 PM
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Can you guys show me a pick of the lines looped? Do I literally just take the two hoses and connect them to each other?
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Old Mar 27, 2010 | 03:02 PM
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Originally Posted by athornt2
Can you guys show me a pick of the lines looped? Do I literally just take the two hoses and connect them to each other?
Nope you have to order the U shaped hose like 25 bucks and slide it on the water pump. it just recirculates it. i dont have a pic but just search it
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Old Mar 27, 2010 | 04:02 PM
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Old Mar 27, 2010 | 04:03 PM
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okay, so all I have left is figuring out the heater lines. I don't really understand what everyone else is doing. I took a pic... please walk me through this.



What is the hose the black arrow is point at? Do I just leave that hose and connect the two red arrows together?
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Old Mar 28, 2010 | 11:15 PM
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I think that black arrow you are pointing at goes to throttle body.

You wanna loop from here to here...




I also deleted my HVAC and just plugged the holes instead. Less hoses to deal with.
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Old Mar 28, 2010 | 11:35 PM
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How well does the defrost work after doing this.
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Old Mar 28, 2010 | 11:42 PM
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No HVAC = no defrost... I have heard of some guys running a couple 12V cooling fans for computers as a makeshift defrost tho..
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