Lately everybody is going crazy about the OS-Giken twincam TC24-B1Z Head for the L-series Engine. and to be honest me to. It’s the holy grail. However a few days ago i discovered another option which is also interresting. A guy called Derek aka Datsunworks is currently working on his own Cast / Milled DOHC head based on a Honda K20 Head design. Coming from the Honda community i know how capable these heads are and probably they’re a great base for an N/A engine. However why i share this with you is just to show you the incredible work of design and machining this guy did! read through the whole…