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Discussion Starter #1
This is on a 72 with a/c , but I assume all will be similar. Does the heater core go in the box with no seal first against the core? It seams the core would have metal to metal chaffing as you screw the clamp bands to tighten it in.
 

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Discussion Starter #3
Thanks for the response. This is what may confuse me from that and what I see.

NOTE: Be sure the core to case sealer is intact before installing core. Use new sealer if necessary.

Is this part of the new heater seal kit I ordered? It seemed odd when I mocked up the install, that the heater core would fasten against metal. Maybe prematurely chafing a hole to leak.
 

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Discussion Starter #5
I called Ames Engineering today and they cold find nothing in their books. I had a roll of paper gasket material and decided to make a picture frame square where the heater core meets the metal box as a cushion against metal to metal chaffing.
 
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