I was reading up on checking piston wash also with plugs reading. I just drop in a 62T/62T raider motor w/ limited B-pipe setting: top close, mid close, bottom 3/4 out, R&D head, and F/As into my 91 SN with jetting spec: 75 pilot, 135 main, 1.5 n/s, 95g spring. both adj about 1 turn. I'm about...