With everything stock,I don't recommend rev the engine over 7K rpms. Once in a while is all right,but all the time,then your engine will go Kaboom!!! Anyway,I have B20Vtec my self cause I don't want to rev the engine to 8K rpms all the time.With bigger displacement you get more low end power and more practical for driving in around city.Just get B20Z if you could cause B20Z have higher compression.I think is coming from 1998-2000 CR-V (146HP) and B20B 1997-1998 CR-V (126HP).But if you have spare money get it done together with high compression pistons if you want to stay N/A in the future.Go with 11.5:1 or 12:1 but make sure you fill the gas with at least 95 octane.