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And you can swap to the 411 pcm fairly easy.
There is a guy that goes by Lextech on many forums that will sell you info on how to do it for 20 bucks. Its pretty good info I bought it and done it...

I built a 383 and copied gm performance ht383E.

And i put that same cam in a vortec 350 but I have not ran either yet.

So you might take a look at that cam.
The gm performance ht383E is rated...