Want to know your lift values after a roller rocker change?
Take your current lift numbers and divide it by your current roller rocker ratio. You then get the lift numbers at the lobe. Take your lift number at the lobe and multiply it by the new roller rocker ratio.
Example:
.500" divided by stock 1.6 Roller Rockers = .313"
.313" x by new 1.7 Roller Rockers = .532"
So take the Trickflow Stage 1 camshaft:
.499"/.510" with 1.6 rockers.
.499/1.6 = .311875 x 1.7 = .530" (new intake lift)
.510/1.6 = .31875 x 1.7 = .542" (new exhaust lift)