Cam for 340 with 2.97 gears

Did a bit of research today. called Comp Cams, Lunati and Crowler.
Comp 274xe with I .488 E .491 @50* I 230* E 236* lsa/cl 110*/106*
Lunati 10200702 with I.475 E .494 @50* I 220* E 236* lsa/cl 112*/108*
Crowler 31918 with I .444 E .464 @50* I 214* E 224* lsa/cl 114*/?
Anyone have experience with any of these cams and recommendations?