Quote Originally Posted by bigMIKE View Post
userfriendly, we do not usually take out the manifold we just drill small holes on it. But in rare occassions (chevrolet venture) we did open the manifold to be able to drill holes on it. We were careful enough not to rip the gasket when opening the manifold. However if gasket replacement is necessary we will inform the customer
regards,
bigMike

pardon my ignorance, would it be more safe & tidy if you will take out the manifold first before drilling a hole, cause some of the bits & pieces of it might or will definitely go inside of the manifold (if its intake manifold we're talking here).

kindly ignore if am not making any sense.