I have just fitted a pair of alloy adj cam pulleys after finding the stock ones cracked through the spokes.What sort of adv and/or retard are you guys running.They are yet to be dialled in yet(i def wont be doing that) or is this one better left to the experts? Also I have noticed a lot of pics where the timing belt cover is not fitted.Are you guys running without it or is it just for the pics?