T67 25g 10cm would usually make 20 psi before 4k on a 25 although with a bit more compression and vct than you're running, td06h/sh 25g was usually around 300rpm later, t67 with 8cm was only marginally more responsive but down around 30kw up top.
Be surprising for the l2 to not be more responsive than sh especially on a rb20, although old news I'm wondering why the sh with the 20 comp haha, maybe the sh worked better with 8cm than l2 with 10cm.