Quick question:
I know there's a size difference at the bottom (intake side) of the injector between the LS2's and LS1, but what size o-ring do I need at the top, on the fuel rail side? The original o-rings are blue, the replacement LS1 o-rings at the bottom are brown, and the original LS2 bottom rings are red.
I seem to recall reading somewhere that the bottom and top o-rings on the LS1/LS6 are the same. If so, then I have some spares in hand, but want to make sure before I start creating bigger problems.
Any help would be appreciated.

