There are a couple LS builds being documented on the site.

You might want to PM another member here with a Progression 24LD. His screen name is laster and he started out with a stock 502. He's now got a Saris Racing Whipple charged 502 and is running real close to triple digits. I can personally attest to the fact that he's a great guy because I own his first Progression - and he can't have it back!

I really would like an LS but the headers alone would set me back too much .... The LT1 I have in mind already makes 385-400 n/a but it won't take boost real well...

Did you get this progression rigged and running?