Latest Chevy Hipo BBC head test
AFR kicked butt again. Fully CNC ported Dart 335cc didn't make as much power as the AFR 325 with optional CNC Chambers. Everybody else didn't even come close, but their price was also closer to 2000$. AFR heads are about 2500$ with the optional Chambers, Darts are 3600$. Makes me wonder if the additional 1100$ more for full CNC port makes it worth it with any manufacturer?
Also, how long are the chamber be as efficient if they get oil ja rich mixture in them?