2014 COPO Engines

[GUMP]

Originally Posted by Dan Wilson

I was wandering about this because one FS class is 450 and less and the other is 450 and more ci . Have I got the size of the engine wrong?
Dan

I asked Bruce at the NHRA the same question, because it is not clear. This is his answer.

"Factory Showdown is treated the same as base Stock or Super Stock. Factory cubic inches is one number. we would not use an overbore number."