[QUOTE=Cazzzidy;637083]Thanks for the info.

I went ahead and spliced in at the two points suggested -- the hose out of the head on the drivers side by the oil filter, and right behind the aux. water pump on the passenger side.QUOTE]

You may discover that on hot days the back pressure from your outlet side will force open the monovalve from that direction (opposite normal flow), and you will have heat instead of AC just when you'd rather have AC, or at least no heat. I put a shutoff valve on the other side of the monovalve and just close it during summer. Took me a while to figure out what was going wrong with the AC.

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1983 CD
1958 Studebaker Packard (being resuscitated)