Cam selection for 5.9 mag

run stall and compression tests with current combo and let's see where you are at
contact slantsix64
he just did the Oregon cams regrind in his late LA rocker shaft motor
his thread is budget318build
post all the details in your thread slant
he can fill you in on finding tdc, pushrod length (base circle is reduced) changes etc
you must degree in regrinds- all new grinds
I run the stock cam as I tow and any change hurts low end grunt
so I'd go the shorter one- but that's just me
does depend on gears and weight and how you want it to drive