well ive desided to do an ls1 383 set-up and i have a few diffrent things i would like to try on it (in the works of tryign to find one to order) i just wanted to know what kind of compresion i can expect stock and how is it under boost ?? say an eaton m90 or maybe a nos setup??

 

Probably better if you post here... http://www.ls1.com/forums/

 

lol thanx usually i dont go anywhere else other then here for car tech but seems promicing