"closing the cam earlier with a roller"
maybe maybe not
here are pairs @.006 one is a Mopar FT with .006 above lash and the other is a HR
.006 .050 .200 w/1.6
280 234 155 576
280 238 *** 580
296 250 *** 580
296 250 170 584
300 242 161 .600
300 254 *** 628
304 245 163 .592 HR
304 253 173 .576 HR
306 253 172 .630 HR
*** no data
not for this thread but a .842 lobe FT can't be competitive with a 1.6 rocker
they would have to use the HR or higher ratio rockers
with mopar we have a choice
also not shown is that for higher lift the HR works better (on paper if they work at all)
