OLD VERSION 1 C 8 0 YYYYMMDD GMOD VERSION 20200617 NEW VERSION 1 C 8 0 YYYYMMDD GMOD VERSION 20200925 Beta ADD ROCKERPN 12 C 10 0 ROCKER ARM PART NUMBER ADD VLVSPRPN 12 C 10 0 VALVE SPRING PART NUMBER ADD NOACK 4 N 6 1 % EVAPORATIVE LOSS % (NOACK) ADD SHEAR100 4 N 7 2 mm2/s SHEAR STABILITY @ 100 DEG C ADD SHEAR150 4 N 7 2 mPa/S SHEAR STABILITY @ 150 DEG C