Here are my results. Please keep in mind that this particular dyno has a 17% lower reading than the average Dynojet. Bill's car made 201whp stock on E85 on DSport's dynojet and just hours later made 166whp on this dyno. With that said, here you go. I'll work on getting boost plots, but it looks to me like the dip at the top on 91 is not due to boost leak, as it's fine on E85. The reason it dips and cuts short on E85 is from clutch slip.
91 Octane.
Unfinished E85 Tune. The dip at the top is where the stock clutch starts slipping. We had to cut the dyno run short due to this, but it is my firm belief that with a new clutch the power will keep climbing straight to redline.