Categories Drifting #rb25det #dyno #enjukuracing @hachi_86 #drift #car #240life #rhd #rsenthalpy #rsenthalpytune @enjukuracing #isisperformance #squarewheels Post author By Jason Post date December 2, 2014 ← 411 rwhp sr… stock head and block. . Just a 30 at least 20 psi → S15 on dyno.. stock with external wg and a tune.