Jonas, (not sure your real name sorry if that is incorrect) A V8 would not use the same housing no matter how much you modify it. It's simply not possible. Send me your email and I will send a youtube video on how a rotary works vs a traditional combustion engine that uses pistons. They are significantly different. While on the subject for those that know about rotary engines You actually can't even use a 12a housing to make a renisis engine, totally different housings.
I am aware of the differences between a rotary and a piston engine. The point was to illustrate claiming that two things are the exact same thing except for....