Originally Posted by ChazimusZX4ST
Not really worth it for anyone to do that. If 1 of us were a a manufacturer, it'd be more worth, dynoing over maybe 5 hp isn't worth the $80 for a $30part.
Just curious if a BSD was quantified beyond the butt dyno & increased felt vibration? 5HP for ~$30 would be a respectable gain though. Looking through the dyno thread it seemed that there were steps backward in HP (or no change) for more than that.