This is definitely a more aggressive cam, and will easily put you into low/mid 500s in HP with fully ported Track 1s. It's going to idle fairly lumpy, but will still be streetable. Since you're using a manual trans, you can bump the idle speed up if you want less idle shake and crisper off-idle throttle response.
IMO, there's no need to go to a 1.6 rocker on the exhaust. Extra high exhaust lift on a normally aspirated motor usually doesn't produce more power to speak of - it's the intake side which benefits more from extra lift, due to the larger diameter of the intake valve requiring more lift to max out the port flow.
Sounds like a fun motor. Enjoy.
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