Quote Originally Posted by blowfishRus6 View Post
after 99 all ls1 blocks came with a ls6 block. not internals, just block. also after 99 all ls1's came with ls6 intake manifolds.

all the blocks are the same threw out the cars except the corvette ls1's came with high compression i belive. but the gtos shared the same block as the f-bodys
Very nice. I did not know that.