so after chip burning and datalogging for a couple weeks now,I believe I have a good tune dialed in. car is 93 fbody with 95 corvette lt1 swap.the 4th and maybe last chip has it running super smooth along with what seems to be more power(seat of the pants feel).started off running pig rich and knock counts like crazy with hypercrap chip that was in it.VE now much better,blm/int within +/- 5% at all rpm/map conditions. No more stinky fuel smell and fuel mileage increased some too.Now to go any further I will need a wideband O2 and a dyno or empty aircraft runway too nail down PE for max power. Now what to do with chip burner? any way the whole process was not that different than older carb/distributor cars I had in the past,just had to learn how to use electronics to get the job done.