i have some question's ...

i have a 1984 chevy camaro Z28... with a 5 speed standard transmission... 373 gear's....


im having a 1969 350 chevy engine built for me.
with a steel crank. trw 10.2 to 1 compression.
comp cam. maginum 280H with 230 at .50 ..... 280 and 480 lift.
factory 194. 50 head's.
edelbrock performer intake and a 650 carb....
HOW MUCH HORSEPOWER SHOULD I HAVE AND MY CAR WITH ME IN IT IS 3500 LBS..... WHAT DO YOU THINK IT WILL RUN...??????
AND ANY SUGESTION'S ON WHAT I CAN DO TO GET MORE POWER WITHOUT HURTING MY POCKET TOO MUCH ?????