There are some builders that are here because they care enough to give some help. And others that are here to self promote and bring in business. I've always found the former leads to the latter but maybe that's just my experience.
In any event - I'll be blunt - From my experience - without some very expensive work and that includes the trans and rear - you won't get your naturrally aspirated horsepower goal with factory iron heads. Maybe the better question - which will also be based on what you can spend and what you have, is how quick does the car have to be, and how do you plan to use it?
