Could i use the RB WS7 ii carb on my hyper .21 8 port? would this be alot better than the stock?, has anyone used this carb on there hyper .21? if not then what carb(s) do u recomend? any help or advice would be much aprieciated thankyou chris

As far as i know the RB carb will not fit on the Hyper engine.............you need the OS 20B or 20E for that engine.