68 Barracuda A/C

I'm adding factory air to my 66 valiant.

This is some info I have found out.
fire wall info.
http://www.forabodiesonly.com/mopar/showthread.php?t=248082

http://www.forabodiesonly.com/mopar/showthread.php?t=252648

http://www.forabodiesonly.com/mopar/showthread.php?t=261792

http://www.forabodiesonly.com/mopar/showthread.php?t=262403

I hope this is helpful.