jetblast

i thought i post here since i suspect it might be a flow issue.... anyway, i'm running leaner, about 1point at the end of 4th, on the left bank when i go wot, the spread gets larger as i go through the gears 1-4 {1/4mi} and it limits my tune.

i have stock ls1 fuel rails and thought the pulse dampner might be a restriction to the left side. i have the walboro lingenfelter intank pump and my fuel pressure is fairly similar to n/a wot. i'm on open loop catless set-up.

could the fact that my fuel noid feeds off of the left rail combined with the pulse dampner be the issue?. my injectors were flow matched when i purchased them..[lucas 42lb}.
the right bank comes in at 10.6afrwb at the end of 4th and the left bank, which i do not have w/b, the nb read out is about .910mv and .940mv for the right. with these readings i run into kr and so i have to run a little more fuel to bring up the left side to .936mv or so to avoid kr. my timing is set at 18 with the 100w shot.
thanks for any replies in advance!