Yes sir I totally agree.

Was looking at this baby Lunati but I am no cam expert.

https://www.lunatipower.com/voodoo-hydraulic-flat-tappet-chrysler-361-440-253-258.html

Hydraulic Flat Tappet. Very strong torque and increased HP for 383-440 cubic inch motors. Compatible with stock type fuel injection. Works great for pleasure/ski boats, and mild towing applications.; Advertised Duration (Int/Exh): 253/258; Duration @ .050 (Int/Exh): 208/213; Gross Valve Lift (Int/Exh): .454/.454; LSA/ICL: 112/108; Valve Lash (Int/Exh): Hyd/Hyd; RPM Range: idle-5000; Includes: Cam Only


I know what works in a street build but I admit to being out of my depth with the motorhome stuff.

But, I am learning thanks to you guys.