was looking at 72 duster with a 0.030 over 340
trw pistons with valve reliefs 11 to 1 com.
edelbrock heads ported an polished
crane rollers and rockers com cam/lifers .555 in .558 ex
has a eight converter flashes at about 5200
83/4 witha 489 case going to change it to410
would this b anything...