the best way for low cost. is get a good intake and all the suporting mods, then get a s/c run 8psi and you be like 350hp. if you want more crank the boost up.

 

400 hp 5.0 can be built for around 1'100 bucks with a stock bottom end !

 

I had a 430 HP 302. No power adders.
Cost somewhat more than $6500 when it was built about 7-8 years ago. This also was NOT a street engine. Race only.
Didn't really last that either.
I really don't see how you are going to get your 400HP without some sort of a supercharger........

 

Really??? Want to go into more detail.

 

Car craft did one about 3years ago. Stock roller block with aluminum heads and carberated. Im picking up a block next weekend to shoot for it myself. Comp makes a set of dressed aluminum heads that can be found on ebay for around 500 bucks. And the right cam can be found there too.

 

oh dear...............comp heads

 

A 400 hp build using Ebay parts....... I,wish you the best of luck with your build.

 

I'll pay attention to this 8 year old thread now, lol

And no disrespect Steve, but 400 hp NA 302 for $1100, really isn't possible. Unless your starting with a built 302 with 395 hp.