89 360

i have an 89 360 tbi engine.i want to build it to make 400 streetable hp.i would like to be around 9.5 to 1 comp.also im going to carberate it.i have a holley street domminator intake.it will be going into a 67 dart with 3.55 gears.how would you guys build it?also want to stay with the 308 heads that are on it.thanks mike