340 Cam Comparison

I run a cam similar to the Jones grind on my 408 except mine has more lift .
Low end is not super torquey .

My 5.9 in the Cuda has a 221/229 on a 112 with .480s lift (.510 w 1.6 ratio rockers) and is a torque monster .
Cranking cylinder pressure (CCP) is usually a good indicator of low end torque.
Have you measured the CCP on your 5.9?