I was about to fit a bbm to my EA but I have the normal oil leaks from the front of the head where the head and timing cover meet. MY fault I didn't put the gasket goo far enough back. So I will remove the head and do the job properly this time. My question is what standard head and cam would be the best to fit instead of the old EA head as a slight improvement to performance. Also how much would I be likly to pay.