No,
305 with cnc chambers and bowl blend is different from 315 full-cnc ported head.
The car weights about 2400lbs, glide and 4.33.1 gears, full 1/4 mile bracket racing so a lot of mph is a big plus.
The 325 with CNC chambers & bowl blend is only 318cc actually when measured:
http://www.airflowresearch.com/artic...le131/A-P2.htm