Lewis,
You'r putting together a killer combo! I just have two things to comment on:
I've only used Clevite 77 bearings and have never had any kind of failure in several street/strip motors.
I would never build a motor without a roller camshaft. It makes a HUGE difference in idle quality, engine tractability, fattening up the powerband, and could even deliver a bit better gas mileage (not that it matters!). You ARE leaving horsepower on the table if you don't go with one!
Good luck, and keep us posted.
Michael
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