Modding a Chevette Heater Core

bobmanfoo · Mar 29, 2005

i am getting a 86" chevette heater core tomorrow and was wondering how i would mod it to use 3/8" barbs, i tried to look for a guide but couldn't find one

i know the HC has two different size barbs so what size should the thread size on the new barbs be?

could i just screw the barbs into the barbs already on the HC? of course ill use the plumbing tape/wrap stuff

any info would be greatly appreciated, thanks

Wicked Klown · Mar 29, 2005

Your either gonig to have to solder or braze the barbs in. Seeing as there are no threads in the stock barbs and not enoguh metal to thread your own.

telexen · Mar 29, 2005

So cut the existing threads shorter and put your own threads on them

That's what I did...using a series of copper tubing and a fitting that sweat on to the copper tubing with the other end threaded so I could thread a barb onto it with a little plumbers tape.

ls7corvete · Mar 29, 2005

No need to get the torch boys, JB weld or similar works wonders.

bobmanfoo · Mar 29, 2005

so i just cut down the the chevette barbs and use JBweld to attach the new barbs? btw what size threads do i need for the 3/8" barbs, thanks for all the help guys

weapon · Mar 30, 2005

chevette core mod - covers both solder and JB Weld:
http://www.ocmodshop.com/ocmodshop.aspx?a=228

one from DWPG:
http://www.dwpg.com/content.php?contid=3&artid=134

bobmanfoo · Mar 30, 2005

thanks a bunch weapon

Modding a Chevette Heater Core

bobmanfoo

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Wicked Klown

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weapon

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