Larger engine bays
Its kinda frustrating that I can't fit a 3.0L I6 in hardly anything...let alone a 3.4L which can have the same physical size as a 3.0L.... (see: 2JZ stroker kit to 3.4L)

1986 Nissan 300ZX Turbo (Z31) : Built '95 VG30ET, 9:1 compression, 3" turbo-back, FMIC, 440cc Injectors, Nistune, etc...
1988 Nissan 300ZX Turbo
1974 260Z
1978 280Z