yeah it did pass my mind on maybe being abit to much ,.. so after you have said that yours struggle on 40's im going to go twin 40's instead,.. :L and james wouldn't the cams profile on the AFH polo cam box be worse than the AVY gti engine ,.. as the AFH is only a 1.4 16v ,.. and the AVY is 1.6 16v ,.. wouldn't it be like going a step backwards ? putting 1.4 cams in a 1.6 ?