http://www.exriders.com/vbb/showthre...threadid=48435
i didnt worry about decking mine, i went with the 11:1 and i figure that i lost a little so even at 10.5-.75:1 im still happy. im not a racer, so its not a big deal to me. but if you want to make sure your comp is dead on, you might want to do it.
Red 02' 400EX Wiseco 11:1 Stk bore, Web Cam "Sturdivant" grind, HMF slip-on, ground header, 160MJ 42PJ screw-3 turns out, K&n, outerware, Sparks advance key, alum. diamond tread air box, aux. oilcooler, Arens nerfs, bling bling by Pappy
Red 04' 300EX HMF slip-on, K&n, outerware, Gt Thunder velocity stack