Categories Drifting 858 rwhp SR20 VVL on Enthalpy rom tune. 6268 32 psi, 3.75" z32 maf, small shot#s14 #s13 #enthalpy #240sx #enjukuracing #tune #romtune #dyno #4digitssoon Post author By Jason Post date December 18, 2014 ← 240z with a Rb20det from a legacy skyline.. circa 1987… first rb motor ever.#enthalpy #tune #rb25det #rb20det #s30 #240z #240sx → @tampabayskyline stopped by for some dyno time. #rawbrokerage #skyline #rb25 at 15psi… For now.