Hello guys i am some what new to the site i have been on here for awhile just not a member. Anyways my name is Brandon and i have been getting the ls1 bug for awhile now i have two gen iii truck a 2003 chevy rcsb and 2006 gmc ext cab. My 03 has pacesetter long tubes and off road y pipe and flowmaster duals and cold air intake and fast tune and 20" wheels. My 2006 gmc i just getting started i have cold intake and 20' wheels on it and i just got my new us speedo cluster for it and my headers or up nexted for it. I also have 74 nova thats for drag that I am think of building a ls-1 for and taking the bbc out.