Will be putting together a new combo soon... this will be a 355 engine... I am looking to get from 350-400 hp to the wheels. Was wodnering if the l98 heads and lt4 hot cam can do this???? the heads will be ported, and larger valves installed... Also have a 3300 stalll. long tubes, Would like some input thanks.

 

You likely wont see those rwhp numbers with TPI. First mod should be a different intake.