Originally Posted by TooSlow
Those cam specs look suspiciously like the Edelbrock Performer RPM cam. This cam is notorious for being soggy on the low end. Replace it with a smaller modern grind, something like a Comp Cams XE262 or XE268 and feel the difference.
Those cams will put the dynamic compression ratio so high that 93 octane fuel will probably not be near enough...... IMHO