[最も好ましい] flat 12 vs v12 342381 tuao sikin

 They say most flat12's are actually 180 deg V12 This page claims a 12 cylinder boxer engine in the model "33" Alfa from 69 77...

U12 engine 778883-Nissan bluebird u12 engine tuao sikin

 The Sherman 6046 U12 engine gearing and phase offset between the shafts were unknown to me so I just guessed them to be 11 and 90 degrees I...