Heres a cheap and easy 400 hp SBC Combo!
355 SBC Pocket Ported vortecs
I built this combo originally as just a economy build but turned out to be a great sounding and great performing set up!

This will make approx 375 400 crank HP (Engine dyno)
*315hp /354 ft lbs to the wheels! Small tube headers, full exhaust, full accessories on 91 pump gas, 600 cfm carb, 34 deg of ignition timing (Dynojet wheel dyno) SAE