cam advice for 340 street motor

Right nm9 I had brain fade on the CH
323 gears and use a stock HP converter which I hope he already has
post 12 and/or post 2
We we tested for Chrysler the DC 268 cam was ok in that combination (no gain in 60 ft some gain in the 8th) one size larger and the bottom end went soft loss in 60 ft bout the same in the 8th gain in the 1/4 The DC 268 has faster ramps than the HP 268 (better check my notes - that memory may be for a BBM)