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Lower tang holes?

JMB711

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Anybody know what these lower holes are for? Thx
s-l1600.jpg
 
Anybody know what these lower holes are for? ThxView attachment 153809

The lower holes in the casting of the pictured exhaust manifold are lower mounting points for the heat stove for the heated air inlet to the air cleaner.

The following images shows the heat stove, Chrysler part number 3418626, for the pictured manifold:
Screenshot 2026-04-27 12.22.13 PM.png


The following image shows a general diagram of the heated air system:
Screenshot 2026-04-27 12.21.28 PM.png



 
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