No you didnt, I dont know what you consider "stock" or what dyno you were on, but no, trust me.....you did not see that happen. I know there are freaks, but Ive never seen a "freak" dyno 45hp over stock. My 00 Firebird did 308 and my 01 did 325, STOCK!!! Anyways, all I did was give my opinion to if he has the money, to get an ls1.....this comes from someone who has modded both of them, 2 lt1's, 3 ls1's, Cobra's, Fox bodys, and imports... Im not speaking out of my ass just cuz I drive an ls1, Ive been around the block a little bit, and when it comes to a few extra grand you might as well spring for the ls1, especially if you have 7-8 grand to play with. And Im not talking just performance wise either, but also maintenance wise which makes it a no brainer for me.