Originally Posted by scheides

Search back for other posts by me or anyone else on 'DB Performance' ...it is your typical, very low reading Dyno Dynamics....stock evos make ~210-220whp depending on the year. A good bolt-on evo8 with cams or IX on pump gas will make ~300-310whp and on E85 350-360whp/350-360wtq seems to be average. The most I've ever ever seen (stock turbo) was 381whp on two different IX's on e85 with cams.

My X made 220whp stock and 280whp with bolt-ons, and ~380 with a BBX on pump.

400whp on this dyno on a stock IX turbo is truly epic.