The alternator, fan, pulleys all look like they are correct for mid 60s. Water pump looks like it must be have its intake on the driver side - that too is correct through '69.
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It has a mechanical choke and cable.
Later Chrysler magnetic pickup distributor and ECU (instead of points). Maybe could use some tweaking if your into that, but should work fine.
I think wire harness support clips are missing (zip tied instead)
Some wire mysteries along with the long hose laying on the inner fender.
Wiring on this side is a bit of a mess.
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The wrong wire gets melted or pinched into something grounded and there will be a short. Two of the firewall harness clips are there so thats good.
There's some nice examples of '65 engine bays on this forum. Some with engine out and harness in. You can see how the wiring is routed.
Only wiring I see different from factory will be the distributor and ECU. I can't see th starter relay, and ther eis a grammet with wires running inside so maybe some more modifacation. That's not bad or good. Its the execution you may want to clean up, or at least support and protect.
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