CHI 3V ALUMINUM HEAD TEST383 CLEVELAND & 427 CLEVOR STROKER. WHICH ONE WOULD YOU RATHER HAVE UNDER THE HOOD? WE ALL KNOW THAT 351 CLEVELANDS ROCK, BUT HOW WELL DO AFTER MARKET, ALUMINUM 3V CHI HEADS WORK? WE RAN A SET OF PORTED 218cc CHI 3V HEADS ON TWO DIFFERENT TEST MOTORS. TEST MOTOR NUMBER 1 WAS A 351CLEVEALND BASED, 383 STROKER. TEST MOTOR NUMBER 2 WAS A 351WBASED 427 STROKER CLEVOR HYBRID. WHICH ONE WOULD YOU CHOSE?