the on front its a ek9 with k24 engine.
Mine its ek9 with k20 engine.
yes there are several clases and rules of each category, the s2000 was on front of me he had a dnf becouse something on his gearbox.
ERl sleeved block, 88mm pistons, svm 212 cams, rbc intake, 74tb, close radio mf gears,
12.5 comp. standar k20 stroke, 248 whp and 165 of tq at 5500 fts over sea level