Even though the 2.5 has its hiccups, Nissan is much obliged to boast the engine features the mirror bore process of the GT-R. These powerplants couldn’t be more different, let alone the difference in ...

Dialing in fine boring heads with just a Vernier dial screw can be tricky. When you’re trying to hold a bore to a few tenth’s, it can often take multiple test cuts before getting the ID tolerance just ...