cam advice for 340 street motor

I had a CC268H for years behind my 340, stock X heads, with performer RPM. I had somewhere @ 32-3500 Stall (been awhile). When I had 4.10 gears it was fun stoplight to stoplight & around town, but then I got a job that required a longer highway travel. I went to an available set of 3.23, it was slow from a start, but if I was already at 35 or so & downshifted, it was ok because I could wind it up pretty far to keep it in the zone for the shift.
Listen to the above & don't go too big. I wouldn't pick a cam on how it sounds, the burble of any V8 through the right mufflers sounds way better than most anything on the road anyway.