manifold and riser

Can I upgrade the wet joint manifolds on the 1999 Mercruiser 5.0 efi to a dry joint manifold? Is this recommended? Are there any issues I should be aware of? My wet joint manifolds are shot.

I did my first manifold and riser replacement on my 5.7 Merc 260 and followed the torque specs precisely, bought a torque wrench specifically for the job. The other side I paid a mechanic to do and change the starter at the same time. I asked him how many lbs he torqued the manifold and he was...