the 5.2 shouldn't need any weights, so you should be good to go. As for the manifolds, well, I've been test fitting them for a couple of years now (stalled project), it's likely you'll be up and running long before I even get the engine back into the Cuda.

They say there are no such thing as a stupid question.
They say there is always the exception that proves the rule.
Don't be the exception.