Gearing and weight are the key to a B16a running good numbers at the drags or circuit,I went for a run in the old BYP B16a bottomend powered EG the other day its now got a better flowing head on it fitted with Spoon cams and a B16a gearbox still very impressive when the engine is worked hard but a 4.9 or 5.1 final drive it really needs to get the best out of it.It made 110kw on Insight Motorsports dyno

