No. The 2.8L is a very good blower. I ran it for years and made outstanding numbers. It is one of the best all around blowers out there. Many of the fastest TS cars are running that setup deep into the 9s. The reason you don't see it on this board a lot is most of the vendors on here are Whipple vendors and they push what they sell.
I run it on pump gas around town but I do have a e85 and c16 tune. Gonna put the e85 tune in it. Just got a drum of e85. I bought the car a few months ago it has a Dyno sheet from Kurgan it made 680 on pump and right at 800 on e85.