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T77911S T77911S is offline
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Join Date: Oct 2006
Location: MYR S.C.
Posts: 17,335
looks like the 78 uses that flange for the aux air regulator.
the later cars had that molded into the manifold.

look to see where your aux air regulator is routed, maybe you have a newer manifold.
maybe your AAR was removed.
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Old 02-15-2022, 04:33 AM
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