I am replacing a 1999 mercruiser 5.7 liter carbureted with a 2006 5.0 MPI. The current exhaust manifolds on the 5.7 are cracked. The 5.0 MPI has no manifolds with it but it had dry-joint exhaust. Can I use the non-dry joint manifolds with the 5.0 or do have to use the dry-joint? This will be a...