Quote Originally Posted by 33delivery
sounds like you may have some warping issues on one or both surfaces.Probably not what you want to hear Good Luck
I was thinking the same thing. But the intake is alum. and I am bolting to cast....so i was thinking maybe as it heats up it exspands and since I dont have any RTV there, thats where it leaks.

I hate this motor. I need to find a LS1, or just order that damn ls2 crate.lol