How to: GM12SI alternator on a small block

I`m thinking about a 100amp-1 wire marine alternator, powder coated black, ( mustang style) as i`ve rewired my whole car and eliminated the voltage reg. any thots on this??-------thanks, bob:happy1::coffee2:

I did it and then in two months changed to electronic voltage regulator and two field alternator.Not enough charge at idle.