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

Heater Core delete...

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Old Dec 31, 2009 | 07:51 PM
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Default Heater Core delete...

I recently had a problem with my heather core hoses and well, I live in South Texas where its only cold for like 3 days every year... So.. My questions is, how do you remove the heather core? And when it comes to the water pump connections.. do you plug them? or do you just bypass the hoses by connecting the bottom hose to the top hose on the water pump? Any pics or suggestions would be great.. Thanks!
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Old Dec 31, 2009 | 07:57 PM
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Plug them or loop them. Either would work.
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Old Jan 1, 2010 | 09:11 PM
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You will have to remove the dash and start unbolting as for waterpump loop lines.
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Old Jan 2, 2010 | 05:11 PM
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You could simply leave the core in there and loop the lines with a double male connector. If you want to do a nice job of it have the lines on the water pump tigged shut and delete the whole line assembly. To remove the heater core you can just pull the glove compartment.
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Old Jan 2, 2010 | 06:39 PM
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Yo , hold up on blocking those lines !


The pump need to circulate. Blocked likes causes the pump to cavitate. Read the latest CC article and it was discussed.

Just loop the line back.
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Old Jan 3, 2010 | 04:50 PM
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i was able to get my heater core out, by just removing the glove box and the bottom piece to the dash
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Old Mar 27, 2010 | 02:40 PM
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Originally Posted by Beaflag VonRathburg
You could simply leave the core in there and loop the lines with a double male connector. If you want to do a nice job of it have the lines on the water pump tigged shut and delete the whole line assembly. To remove the heater core you can just pull the glove compartment.
Where can you get the double male connector?
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