How much do you think my combo will make?

[softballnrd27]

6.0l Iron block based 390 stroker 9.2:1 compression
AFR 230cc heads(no porting)
230/234 .600"/.602" 111LSA +4Adv custom grind cam
Edelbrock Vic Jr with 1550cfm 4150 style TB
1-7/8" long tubes with 3" exhaust
Speed density tune
th400 w/3200 stall
9" 4.11 gears
Shooting for 450rwhp, do you think it will happen? is there something you would change?
I am building this in anticipation of throwing a turbo on it later on.

[CHEVROLADE]

473rwhp

[beingblueeyes]

432.1 rwhp