I'm trying to find out where to connect it to on the engine
You need to hook it to manifold vacuum, look where the vacuum line it attached from the brake booster, there my be a port that is capped off there, if not you will have to splice into the booster hose or another manifold hose.
So where do I run the vac line through the upper intake
Just follow the booster line, if the factory deemed it a ok path you can too.
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