bbc cam choice for tow rig
If you want to go mechanical flat tappet and want strong torque & mid range. Check out this Comp Cams CL11-674-4 with part# 911-16 for springs. The specs are .527/.532 lift & 218/224 duration. LSA 110 I/C 106. Recommended torque converter stall rpm range 1100-1900 (stock). According to Comp Cams simulator peak hp is 352@4000 rpms and peak torque is 531@2500 rpms.