? if I have a 34mm piston and a 29.6 Crank, how many CC will it be now. (Stock Crank 28.0 with 34mm piston,, 26cc)and if you can why the long stroke Mod, Please shed some light on this (laymens terms .{My Lights are dim, but I'm home },,LOL . and how it affects timeing and comprestion, new to...