need advice on what cam , springs and things to get for my 340

I guess I missed he said roller
I'd Pick one of these Rollers, For me I'd go For the 2nd milder one.

Voodoo Retro-Fit Hydraulic Roller Cam - Chrysler 273-360 270/279

Retro-Fit Hydraulic Roller. Great mid range torque and power. Likes 2000 RPM stall converter and works great in towing applications with lower gearing. Largest for inboard/outboard performance marine use. ;Advertised Duration (Int/Exh): 270/279 ;Duration @ .050 (Int/Exh): 219/227 ;Gross Valve Lift (Int/Exh): .515/.530 ;LSA/ICL: 112/106 ;Valve Lash (Int/Exh): Hyd/Hyd ;RPM Range: 1800-5800

Voodoo Retro-Fit Hydraulic Roller Cam - Chrysler 273-360 270/279

Or

Voodoo Retro-Fit Hydraulic Roller Cam - Chrysler 273-360 262/270

Retro-Fit Hydraulic Roller. Very strong increase in low RPM torque and HP. Works well with OEM EFI, great inboard/outboard marine cam for economy and skiing. ;Advertised Duration (Int/Exh): 262/270 ;Duration @ .050 (Int/Exh): 211/219 ;Gross Valve Lift (Int/Exh): .507/.515 ;LSA/ICL: 112/106 ;Valve Lash (Int/Exh): Hyd/Hyd ;RPM Range: 1400-5400 ;Includes: Cam Only

Voodoo Retro-Fit Hydraulic Roller Cam - Chrysler 273-360 262/270
thanks 2nd one sounds like what i had in my lat 340 not 100% sure
thanks i'll think about both of them with the 2nd one i can probably get rid of the vacuum pump thing drives me crazy sounds like i have a crying baby locked in the trunk