Well, it's kind of subjective. "Tight" to me means it still drives nicely on the street and responds well to part throttle below the flash stall speed. "Loose" to me means the car feels "slushy" and doesn't respond well to the throttle below the flash stall, even if it locks up well at WOT. It's a streetability thing, I suppose.... and probably a tough thing to achieve for builders of fairly high-stall street/strip converters.