Im currently reworking my home so progress will be very slow this month on the Z, but i promise i’ll be back at the garage when that is done 😉 I hate blogs just posting stuff from other Blogs, but i could’nt resist this beauty.. The OS-giken TC24-B1 Masterpiece now in it’s latest form known as TC24-B1Z shown at the nostalgic2das in Japan: Based on some old casts found in a corner at OS-giken the reworked their own twincam head design to latest technology state-of-the-art standards and it now turns up to 10’000 rpm it’s based on an L28 block which through the mods now has 3.02L and pushes 420HP…